These Peanut Butter Cupcakes are soft, tender, and loaded with peanut butter flavor. Creamy peanut butter frosting makes them irresistible. A perfect treat for peanut butter lovers!
In a small bowl, whisk together the cake flour, baking powder, baking soda, and salt. Set aside.
In a large mixing bowl, whisk the oil, peanut butter, and brown sugar till smooth. Add the eggs, buttermilk, and vanilla and whisk till well blended.
Stir in the dry ingredients just till combined. Don't over-mix.
Spoon batter into paper lined muffin pans, filling just over half full. Bake at 350° for about 15 minutes or till a toothpick comes out clean.
Cool cupcakes completely, then frost.
Combine peanut butter, butter, powdered sugar, vanilla, and 4 tablespoons of the cream in a mixing bowl. Beat till smooth and creamy, adding cream as needed.