Mini Peanut Butter Cupcakes

  • Level: Easy
  • Total: 1 hr 45 min
  • Prep: 1 hr 10 min
  • Inactive: 15 min
  • Cook: 20 min
  • Yield: 24 servings
  • Nutrition Info
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Ingredients

For the Cupcakes:

12 tablespoons unsalted butter,

cut into pieces

1/2 cup Dutch-process cocoa powder

1 1/3 cups packed dark brown sugar

1 1/3 cups all-purpose flour

1/2 teaspoon baking powder

1/4 teaspoon baking soda

1/2 teaspoon salt

1/3 cup buttermilk

1 large egg, at room temperature

1 teaspoon vanilla extract

For the Topping:

1/2 cup heavy cream

1 10-ounce bag peanut butter chips

For the Glaze:

1 tablespoon unsalted butter

6 ounces milk chocolate, finely chopped

Directions

  1. Make the cupcakes: Position a rack in the middle of the oven and preheat to 350 degrees F using the convection setting, if available. Line a 24-cup mini muffin pan with paper liners. Combine the butter, cocoa powder and 1/4 cup water in a microwave-safe bowl, cover with plastic wrap and microwave until the butter melts, about 2 minutes. Whisk to combine, then whisk in the brown sugar.
  2. Whisk the flour, baking powder, baking soda and salt in a large bowl. Whisk in the warm cocoa mixture. In another bowl, whisk the buttermilk, egg and vanilla; stir into the batter until just combined but don't overmix.
  3. Divide the batter among the prepared cups, filling each three-quarters of the way. Bake until the cupcakes spring back when touched, about 20 minutes. Let cool in the pan 5 minutes, then transfer to a rack to cool completely.
  4. Make the topping: Bring the cream to a simmer in a small saucepan, then pour over the peanut butter chips in a bowl and let stand until the chips melt, about 5 minutes. Whisk until smooth. Refrigerate until the topping is set, about 10 minutes, then beat with a mixer until fluffy. Transfer to a pastry bag with a 1-inch round tip and pipe peaks onto each cupcake. Place in the freezer while you make the glaze.
  5. Make the glaze: Put the butter, chocolate and 3 tablespoons hot water in a small, deep microwave-safe bowl, cover with plastic wrap and microwave on 50 percent power until the chocolate melts, about 2 minutes. Whisk until smooth. Dip the frozen peaks of each cupcake into the glaze, letting the excess drip off. Refrigerate until set, about 5 minutes.

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