Chocolate Peanut Butter Cake Roulade
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1 cup all-purpose flour
1/2 cup granulated sugar
1/2 cup unsweetened cocoa powder
1 teaspoon baking powder
1/4 teaspoon salt
1/2 cup unsalted butter, softened
2 large eggs
1 teaspoon vanilla extract
1/2 cup milk
1/2 cup creamy peanut butter
1 cup powdered sugar
1/2 cup heavy cream