Peanut Butter & Jelly Cupcakes

The final dish
As seen on
Sally’s
Total Time
3 hours, 10 minutes
Prep Time
35 minutes
Cook Time
22 minutes
Rating
5 out of 5 stars
(5)

Ingredients

14 cupcakes
  • 1 and 3/4 cups (207g) cake flour (spooned & leveled)
  • 3/4 teaspoon baking powder
  • 1/4 teaspoon baking soda
  • 1/4 teaspoon salt
  • 1/2 cup (8 Tbsp; 113g) unsalted butter, softened to room temperature
  • 1 cup (200g) granulated sugar
  • 3 large egg whites, at room temperature
  • 2 teaspoons pure vanilla extract
  • Optional: seeds scraped from 1/2 of a vanilla bean
  • 1/2 cup (120g) full-fat sour cream
  • 1/2 cup (120ml) whole milk
  • About 1/4 cup your favorite jelly (any flavor!)
  • 5 Tablespoons (71g) unsalted butter, softened to room temperature
  • 1 cup (250g) creamy peanut butter
  • 1 cup (120g) confectioners’ sugar
  • 1/3 cup (80ml) heavy cream
  • 1 teaspoon pure vanilla extract
  • 1/4 teaspoon salt
  • Optional: crushed peanuts for topping
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Preparation

Chef’s notes

Cupcakes can be made ahead 1 day in advance, covered, and stored at room temperature. Frosting can also be made 1 day in advance, covered, and stored in the refrigerator until ready to use. Leftover cupcakes keep well covered tightly in the refrigerator for 3 days. Frosted or unfrosted cupcakes can be frozen up to 2-3 months. Thaw overnight in the refrigerator.
If you can’t get your hands on cake flour, use this cake flour substitute. I suggest doing this twice, mixing it all up in 1 bowl then removing 1/4 cup since you need 1 and 3/4 cups in this recipe.
For best flavor, pure vanilla extract is strongly recommended. If using imitation, increase to 1 Tablespoon (3 teaspoons).
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