Zoe's
Peanut Butter Cupcakes
Cupcakes

Peanut Butter Cupcakes

Rich chocolate cupcakes topped with a creamy peanut butter frosting. The classic combo everyone loves.

4.6 from 128 bakers
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Prep20 min
Cook18 min
Servings12 cupcakes
DifficultyEasy

Ingredients

Total time: 38 minutes

Cupcakes

  • 3/4 cup all-purpose flour
  • 1/2 cup unsweetened cocoa powder
  • 3/4 tsp baking soda
  • 1/4 tsp salt
  • 1 cup granulated sugar
  • 1 large egg
  • 1/2 cup buttermilk
  • 1/3 cup vegetable oil
  • 1/2 cup hot water
  • 1 tsp vanilla extract

Peanut butter frosting

  • 1/2 cup unsalted butter, softened
  • 3/4 cup creamy peanut butter
  • 2 1/2 cups powdered sugar
  • 3 tbsp heavy cream

Instructions

  1. 1

    Heat the oven to 350°F and line a 12-cup tin with liners.

  2. 2

    Whisk the flour, cocoa, baking soda, and salt together.

  3. 3

    Whisk the sugar, egg, buttermilk, oil, and vanilla, then stir into the dry ingredients with the hot water.

  4. 4

    Divide among the liners and bake 16–19 minutes. Cool completely.

  5. 5

    Beat the butter and peanut butter, then add the powdered sugar and cream; beat fluffy.

  6. 6

    Pipe onto the cupcakes and drizzle with melted chocolate if you like.

Zoe's Tips

  • Use no-stir peanut butter for a stable, creamy frosting.
  • A chocolate drizzle on top makes them look bakery-worthy.
  • Chop a few peanuts over the top for crunch.

Nutrition estimate

Approximate, per serving — a rough guide, not a lab measurement.

400
Calories
23 g
Fat
46 g
Carbs
36 g
Sugar
6 g
Protein

A note from Zoe:this recipe is newly developed from classic, trusted baking ratios — it hasn't been through rounds of reader testing yet. Bake with a baker's eye, and if you try it, I'd genuinely love your feedback so I can make it even better.

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