"This moist peanut butter cake recipe is one of the creamiest cakes I've ever had! Soft layers of peanut butter-infused cake are filled and topped with the most velvety soft peanut butter frosting. If I could define 'melt-in-your-mouth', it would be this cake! Perfect for satisfying your peanut butter cravings. Why You'll Love This Peanut Butter Cake If you're a peanut butter lover, you are going to fall in love with this cake and here's why! Firstly, the cake layers are some of the softest I've ever baked, and they..."
INGREDIENTS
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1⅔ cups all purpose flour
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3 tbsp cornstarch
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½ tsp baking soda
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2 tsp baking powder
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½ tsp salt (omit if using salted butter)
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⅓ cup unsalted butter (room temperature)
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⅓ cup unflavored vegetable oil (I use canola oil)
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½ cup white granulated sugar
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¾ cup soft brown sugar (in the US use light soft brown sugar)
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⅔ cups unsweetened peanut butter (use a creamy, processed one (see note 5 if using a sweetened version like Skippy))
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3 large eggs (room temperature)
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1½ tsps vanilla extract/essence
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1 cup buttermilk (room temperature)
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1½ cups unsalted butter (room temperature)
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3 cups powdered sugar (also known as icing or confectioners sugar)
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2 tsps vanilla extract/essence
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½ cup whipping or heavy cream (room temperature)
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½ tsp salt
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1 cup unsweetened peanut butter (use a creamy version)