Easy Reese’s Peanut Butter Cupcakes – Fudgy Brownie Dessert with Creamy Peanut Butter Frosting
Reese’s Peanut Butter Cupcakes feature a rich brownie base with a hidden peanut butter cup inside and are topped with creamy peanut butter frosting for an indulgent dessert.
- Prep Time: 20 minutes
- Cook Time: 20 minutes
- Total Time: 40 minutes
- Yield: 24 cupcakes 1x
- Category: Dessert
- Method: Baking
- Cuisine: American
- Diet: Vegetarian
Ingredients
Scale
- 18.3 oz box chewy fudge brownie mix
- 1/2 cup vegetable oil
- 1/4 cup water
- 2 large eggs, beaten
- 24 Reese’s peanut butter cups (full size or mini)
- 1 1/4 cup creamy peanut butter
- 3/4 cup salted butter, softened
- 1 1/2 tsp vanilla extract
- 2 1/4 cups powdered sugar
- 3–5 tbsp whole milk
- 1 1/2 cups Reese’s minis (optional topping)
Instructions
- Preheat oven to 350°F and line muffin pans with cupcake liners.
- Mix brownie mix, oil, water, and eggs until just combined.
- Place one Reese’s cup in each liner.
- Top with brownie batter.
- Bake for 20 minutes and cool completely.
- Beat butter, peanut butter, and vanilla until smooth.
- Gradually add powdered sugar and milk until fluffy frosting forms.
- Pipe frosting onto cooled cupcakes.
- Top with Reese’s minis if desired.
Notes
- Do not overmix brownie batter.
- Cool fully before frosting.
- Room temperature eggs improve texture.
Nutrition
- Serving Size: 1 cupcake
- Calories: 300
- Sugar: 25 g
- Sodium: 200 mg
- Fat: 18 g
- Saturated Fat: 5 g
- Unsaturated Fat: 10 g
- Trans Fat: 0 g
- Carbohydrates: 35 g
- Fiber: 2 g
- Protein: 5 g
- Cholesterol: 40 mg