"This butter yellow sheet cake with chocolate frosting is simple and straightforward. Made from basic ingredients, it's soft, tender, and plenty moist...."
INGREDIENTS
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2 and 1/4 cups (266g) cake flour (spoon & leveled)
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2 and 1/4 teaspoons baking powder
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1/4 teaspoon baking soda
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1/2 teaspoon salt
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1 cup (230g) unsalted butter, softened to room temperature
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1 and 3/4 cups (350g) granulated sugar
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2 large eggs, at room temperature
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2 teaspoons pure vanilla extract
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1/2 cup (120g) sour cream, at room temperature*
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1 cup (240ml) whole milk, at room temperature*
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1 cup (230g) unsalted butter, softened to room temperature
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4 and 1/2 cups (540g) confectioners’ sugar
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3/4 cup (62g) natural unsweetened or dutch-process cocoa powder
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1/2 cup (120ml) whole milk
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1 Tablespoon light corn syrup*
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1 and 1/2 teaspoons pure vanilla extract
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1/8 teaspoon salt
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optional: rainbow sprinkles