• 2 ⅔ cup all-purpose flour (335g)• 1 cup light brown sugar firmly packed (200g)• 1 ½ teaspoons baking powder• ½ teaspoon baking soda• 1 teaspoon salt• 1 Tablespoon ground ginger• 1 Tablespoon ground cinnamon• ½ teaspoon ground nutmeg• ½ teaspoon ground allspice• ½ teaspoon ground cloves• 12 Tablespoons unsalted butter melted (170g)• ½ cup vegetable or canola oil (118ml)• ¾ cup unsulphured molasses (177ml)• 3 large eggs room temperature preferred• 1 Tablespoon vanilla extract• 1 cup sour cream 8 oz/226g• ⅓ cup very hot water