4.93 from 851 votes

The Best Blondie Recipe

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Servings: 15 blondies

40 mins

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The BEST blondie recipe lives up to its name! This recipe yields buttery soft cookie bars with vanilla-caramel undertones. It come together quickly, no mixer needed. Include your favorite add-ins (white chocolate, dark chocolate, nuts) or enjoy plain! This carefully tested recipe has been a fan favorite for years and has garnered hundreds of five-star reviews! ⭐️

2 slices of my iconic blondie recipe, stacked on one another with a bite missing from the top piece. bits of white chocolate and walnut visible.

Actually *Perfect* Blondies

Buttery, soft, chewy, loaded with your favorite add-ins, my blondie recipe is perfectly decadent. With hints of butterscotch, vanilla, and caramel, you won’t miss the chocolate. Serve slightly warm, topped with vanilla ice cream and a drizzle of caramel sauce for a truly indulgent experience.

I spent a great deal of time developing this blondie recipe (you can’t imagine how many batches of not-quite-perfect blondies I had to eat, it’s a tough life 😉) and I finally have the perfect version to share. My recipe includes lots of tips and tricks so you’ll get perfectly soft, chewy and buttery results every time. No dry or cakey blondies here! Let’s get right to it.

Blondie Ingredients

We don’t need to cover everything, but let’s chat a moment about some of our key players:

Ingredients for my blondie recipe
  • Butter. Melted butter is the key to a softer, chewier blondie recipe that stays soft and chewy (it’s also a key ingredient in my best chocolate chip cookie recipe, if you’ve tried that you already know what a game changer it is).
  • Sugar. A blend of brown and granulated sugar works best here. The higher ratio of brown sugar works well to impart a deep, rich, and subtly caramel-y flavor that makes these irresistible.
  • Eggs. An extra egg yolk contributes to the tender, dense texture of the bar.
  • Baking powder. Blondies ought to be dense and leaning toward fudgy territory, but just a pinch of baking powder adds a bit of lightness to the bar so it’s not too dense or difficult to chew. Note that the omission of baking soda is intentional, baking soda would create a lighter airier, and more cakey texture that we’re actively trying to avoid.
  • Cornstarch helps make the bars tender and chewy.
  • Add-ins (use your favorites!). Truth be told, you can add nothing, no nuts, no chocolate, and you’ll still have a darn good cookie bar. But I prefer to dress things up a bit. White chocolate chips and chopped walnuts are my favorite, but swap out the white chocolate for semisweet or a chopped baking bar, swap out the nuts for a different kind of nut or more chocolate, or if you want to toast your nuts before adding them, that works just fine, too!

For the full recipe and the full measurements, scroll down to the recipe card.

How to Make Blondies

Blondie batter in a bowl with a blue spatula, walnuts and white chocolate have been added but not stirred in yet

The blondie batter comes together quickly and easily. No mixer needed, no fancy equipment.

Start by melting your butter. It doesn’t need to cool completely, but if it’s still quite hot when you add the butter you can expect your blondies to be a bit greasier on the bottom after baking and to take longer to bake.

Add the sugars, eggs, yolk, and vanilla. Stir it well, but don’t go crazy. Mixing well can help create shiny/crackly tops, but over-doing it could make the blondies a bit cakier than I personally care for them to be. I never use a mixer for this step.

Add the dry ingredients. Always whisk them together separately (to make sure the baking powder and salt are well-distributed through the batter), then stir them into the batter. Once again, don’t go overboard with the mixing. Any add-ins you’re using get stirred in last.

Bake & enjoy. The very edges will turn lightly golden brown and a toothpick should come out clean. A sprinkling of flaky sea salt while they’re still warm is optional, but strongly encouraged 😉. Let the blondies cool completely before you cut into them, otherwise you may panic that you completely underbaked them (you likely didn’t).

Overhead view of blondies on a white marble cutting board, cut into 15 pieces

Tips & Variations

  • When it comes to sugar, a blend is best. For the brown sugar called for in the recipe, you can just use light brown sugar, but I personally prefer a blend of light and dark brown sugar. I don’t care to use all dark brown, though, as I feel it makes things a bit too rich and butterscotch-y.
  • Adjust the add-ins. You can add up to 2 cups of your favorite add-ins to this blondie recipe. I listed a mix of chopped walnuts and white chocolate chips in the recipe. I found that this combination provided a nice balance of sweetness and crunch. Feel free to use all walnuts, all chocolate (completely fine to make this recipe nut-free), or swap out some or either of these. A chopped semisweet chocolate bar is quite delicious, in my opinion.
  • Pay attention to your pan. A metal pan is best for this recipe and will ensure the quickest and most even baking. If you opt for a glass or ceramic pan, your blondies will almost certainly take longer to bake, and exactly how long will vary. I haven’t tried this blondie recipe in a silicone pan, but am not sure I’d recommend it.
  • Brown your butter for a gourmet flavor. Brown 1 cup of butter (you do not need to brown extra to accommodate the lost liquid from browning). You will want to make sure it’s cooled a bit before adding the eggs, so the eggs don’t cook prematurely.
Cut square of blondie on marble, surrounded by more blondies and nuts and white chocolate

Frequently Asked Questions

What’s the difference in brownies and blondies?

Blondies are occasionally referred to as “blonde brownies”. They are made without cocoa powder and without melted chocolate and aspire to a rich, buttery brown-sugar-vanilla flavor rather than a deep chocolate one (so you can expect a higher ratio of brown sugar to granulated here).
White chocolate brownies are closer in nature to brownies than blondies are, while blondies are more similar to chocolate chip cookie bars.

Why did my blondies turn out cakey?

Most often this is due to over-baking. Baking for too long or on too high of a temperature will quickly change the texture from fudgy/borderline gooey to crumbly and dry instead.
Other culprits include accidentally mis-measuring an ingredient, using the wrong kind of flour (you need all-purpose, and please do not use self-rising!), accidentally using baking soda instead of powder, or over-measuring your flour.

Why are my blondies taking so long to bake (or why do they seem underbaked)?!

First, check your pan. If you used a glass, ceramic, or silicone pan the blondies will take longer to bake, and exactly how much longer can vary greatly depending on the particular material of your pan (some people have needed over 45 minutes to bake!). If you use a smaller pan, even if it’s metal, the blondies will also take longer to bake.
If you substituted or accidentally mis-measured any ingredients, this could also cause this issue.
Wait for the blondies to cool at least mostly before cutting into them, if cut into while warm they’ll look quite underbaked.
If a visual is helpful, see the video in the recipe card for exactly how this blondie recipe look in my kitchen every step of the way.

Two blondies from my blondie recipe stacked on top each other, one missing a bite, showing the soft and gooey center.

I’ve been in love with this recipe for years and am so excited for you to try it yourself. If you do, please leave me a comment and let me know what you think!

Let’s bake together! Subscribe to my newsletter to be notified of all the newest recipes, and find my free recipe tutorials on YouTube 💜

Two blondies from my blondie recipe, stacked on top each other, one with a bite missing to show the chewy center
4.93 from 851 votes

Best Blondie Recipe

The BEST blondie recipe yields buttery soft and chewy cookie bars with vanilla-caramel undertones. It's a quick and easy recipe with no mixer needed. Get creative and swap the walnuts and white chocolate chips for your favorite add-ins!
Be sure to check out the how-to video!
Prep: 15 minutes
Cook: 25 minutes
Total: 40 minutes
Servings: 15 blondies
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Ingredients

  • 1 cup (226 g) unsalted butter, melted
  • 1 ¼ cup (250 g) brown sugar, firmly packed (see note)
  • ½ cup (100 g) granulated sugar
  • 2 large eggs + 1 egg yolk, room temperature preferred
  • 2 teaspoons vanilla extract
  • 2 ¼ cups (285 g) all-purpose flour, (note that in the video I accidentally said 2 1/2 cups flour, that is incorrect, you only need 2 ¼ cups as written here)
  • 2 teaspoons cornstarch
  • ½ teaspoon baking powder
  • 1 teaspoon salt
  • cup (115 g) white chocolate chips, (see note)
  • 1 cup (130 g) chopped walnuts, (may omit, see note)

Instructions 

  • Preheat oven to 350F (175C) and line a 13×9 metal baking pan with parchment paper (or lightly grease and flour the pan).
  • Combine melted butter and sugar in a large bowl and stir well.
    1 cup (226 g) unsalted butter, 1 ¼ cup (250 g) brown sugar, ½ cup (100 g) granulated sugar
  • Add eggs, egg yolk, and vanilla extract and stir until completely combined. Set aside.
    2 large eggs + 1 egg yolk, 2 teaspoons vanilla extract
  • In a separate bowl, whisk together flour, cornstarch, baking powder, and salt.
    2 ¼ cups (285 g) all-purpose flour, 2 teaspoons cornstarch, ½ teaspoon baking powder, 1 teaspoon salt
  • Gradually stir the dry ingredients into wet until just combined.
  • Fold in white chocolate chips and nuts, if using.
    ⅔ cup (115 g) white chocolate chips, 1 cup (130 g) chopped walnuts
  • Spread blondie batter into prepared pan and transfer to oven.
  • Bake on 350F (175C) for 25-30 minutes or until a toothpick inserted in the center comes out clean or with a few fudgy crumbs.
  • Allow to cool before cutting and enjoying

Notes

Brown sugar

I like to use half dark and half light brown sugar in this recipe for a perfectly balanced flavor with butterscotch undertones. If you don’t have both, you can use just light brown sugar.  

Add-ins (nuts & chocolate), and making this recipe nut-free

You can use up to 2 cups of your favorite add-ins, feel free to swap out the white chocolate chips and nuts for your favorite additions (semisweet chocolate chips, pecans, a chopped baking bar, etc.). This recipe can certainly be made nut-free, just swap the nuts for an equal amount of white chocolate chips or your preferred add-in.

Pan note

A metal baking pan is recommended. Using a glass, ceramic, silicone, or other material will increase the time needed to bake, sometimes significantly. Please also note that if you opt to use a smaller pan the baking time can be expected to be longer. 

Storing

Cover tightly (or cut and transfer to an airtight container and store at room temperature for up to 4 days. These blondies may also be sliced, tightly wrapped and frozen for several months.

Nutrition

Serving: 1blondie (calorie count includes nuts and chips) | Calories: 370kcal | Carbohydrates: 46g | Protein: 4g | Fat: 20g | Saturated Fat: 11g | Polyunsaturated Fat: 3g | Monounsaturated Fat: 4g | Cholesterol: 70mg | Sodium: 181mg | Potassium: 65mg | Fiber: 1g | Sugar: 29g | Vitamin A: 1050IU | Calcium: 30mg | Iron: 1.3mg

Nutrition information is automatically calculated, so should only be used as an approximation.

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Recipe Rating




1,197 Comments

  1. Kathryn says:

    5 stars
    These are on the sweeter end , for sure, but we loved them. Big hit at the tailgates!

  2. Morgan says:

    5 stars
    These are fabulous but I love all of your recipes. Thank you so much for sharing these!

    1. Bob says:

      took way longer to cook for me and I turned up the heat

      1. Sam Merritt says:

        Hi Bob! Was your oven preheated when you added the blondies in? Did you make any substitutions or alterations? Is your oven temperature accurate?

  3. M says:

    5 stars
    I substituted with gluten free flour, and added about a tablespoon of cinnamon for a fall vibe.. I made the mistake of baking it in a glass pan and definitely paid the price as I needed to cover the top and leave it longer to let the bottom bake, but that was entirely my fault, I didn’t read that far down to be honest. BUT… They came out delicious, chewy with a papery top and crispy edges. They’re delicious, I need to make the brownie version next and perhaps something with pumpkin! I love these and sent the recipe to multiple friends.

    1. Emily @ Sugar Spun Run says:

      So glad they turned out so nicely for you! Enjoy 😊

  4. Jessica says:

    5 stars
    I have never, ever left a 5 star review on a recipe. These were perfect. Crinkly on top, soft but chewy, gorgeous and delicious. We put butterscotch chips and chocolate chips in them and they are so good. Huge hit.

    1. Emily @ Sugar Spun Run says:

      We are so happy you enjoyed them so much, Jessica!!

  5. Alyssa says:

    1 star
    Way, way too sweet.

    1. Sam Merritt says:

      I’m sorry this one wasn’t for you Alyssa. 🙁 A blondie is going to be inherently sweet.

  6. Bob says:

    3 stars
    Guess I was expecting a chewy “brownie” style item but what I got was some where between a soft sugar cookie and short bread. Very expensive and not that flavorful . Was better when I added the Carmel drizzle but not good enough to keep .

    1. Sam Merritt says:

      Hi Bob! Very perplexed by what you’re describing and would like to help figure this out, you definitely shouldn’t be feeling sugar cookie or shortbread. Was anything substituted or could anything have possibly been mismeasured? Did your dough look like it does in the video? Would very much like to help you troubleshoot!

  7. Laurie says:

    5 stars
    Amazing flavor! Followed the recipe with the exception of using light brown sugar rather than a mix of light and dark. Unbelievably chewy and delicious! I’m wondering if I can freeze them?

    1. Sam Merritt says:

      I’m so glad you enjoyed them so much, Laurie! You can certainly freeze these. 🙂

  8. Jane Hackney says:

    5 stars
    Friends and family love this recipe, particularly when I add dark chocolate morsels

  9. Amy says:

    I added coconut, macadamia nuts, and a few mini chocolate chips & followed the recipe exactly. I baked them for 32 minutes and pulled them out when the cake tester was pretty much clean & let them cool most of the way. They were super undercooked. I put them in at 325 with foil for another 10 minutes, still super undercooked. I did an additional 10 minutes. Still way undercooked. Finally I was tired of messing with them and called it. Today I cut the undercooked blondies biscotti sized pieces and baked them until crispy. They’re fine but it seems the bar should have been cooked to begin with for a minimum of 40-45 minutes. Tasted good but I can’t give a better rating with my experience.

    1. Sam Merritt says:

      Hi Amy! How frustrating! It sounds like quite a bit of additional things were added to the batter, including coconut which can make the batter more moist and require it to bake longer. Additionally, if you used a glass 13×9 pan, the blondies will need to bake longer due to that, too. With this recipe you do need to let the bars cool completely or they will seem underbaked in the center. I hope that helps with the issues you ran into, but am happy to help troubleshoot further!

  10. Coco says:

    5 stars
    SO GOOD!!

    1. MaryJane Abercrombie says:

      can this be made without white chocolate chips since I am allergic to dairy?

      1. Sam Merritt says:

        You can leave the white chocolate chips out, but there is also butter in these. I don’t know a substitute for butter. 🙁

  11. Scottie hershey says:

    1 star
    Too cake like and dry. Not a traditional moist, dense blonde.

    1. Sam Merritt says:

      That’s a very interesting outcome, Scottie! This is definitely not an expected result. Did you weigh your flour? Is it possible they were over-baked?

  12. Girlinburbs says:

    3 stars
    Every time we make these they tend to be floating in excess butter in the bottom of the pan. After they bake there is heavy butter at the bottom. Other recipes call for 1/4 to 1 1/2 STICKS of butter – are you ever having this problem? I find it wasteful when butter is so expensive.

    1. Sam Merritt says:

      I have not experienced this issue. 🙁 I’m not sure what’s going on here. Typically a recipe that uses less butter is also going to use less other ingredients as well. 🙁

    2. Yomom says:

      Just looking at this recipe I know it’s gonna be good.

  13. Ana Diaz Corrales says:

    on the Blondie recipe can I use a hand mixer or can I use a stand mixer? Or do I just mix by hand?

    1. Sam Merritt says:

      Hi Ana! I like to mix it by hand. When combining the wet and dry ingredients you want to get them combined well but be careful to not over-do it or the blondies could come out cakey. Enjoy! 🙂

  14. Diane Hall says:

    5 stars
    The search is over! I love these Blondies and have had mixed success with all recipes I have tried until now.The third batch in 3 weeks and spot on each time. I do use my scales for dry ingredients. I prefer them with just pecans…no distraction from the main event, the great taste..

  15. Nancy M says:

    Hi Sam. I’m looking for a blondie cookie recipe. Would following this recipe but shaping the dough into cookie balls work? F not, any recommendations on how to convert this recipe into cookies please? Thank you.

    1. Sam Merritt says:

      Hi Nancy! This won’t work to be shaped as cookies. 🙁 I don’t know how to convert this into a cookie dough unfortunately. 🙁

      1. Laura Bailey says:

        5 stars
        Has anyone tried these with 1 to 1 Gluten-free flour?

      2. Sam Merritt says:

        Hi Laura! I have not personally tried it, but I have had others report success using a 1 for 1 gluten free flour. Let me know how it goes! 🙂