Decadent Peanut Butter Cup Lava Cupcakes

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Decadent Peanut Butter Cup Lava Cupcakes

Decadent Peanut Butter Cup Lava Cupcakes are rich chocolate cupcakes with a molten peanut butter center that melts when you take a bite. Each cupcake hides a creamy peanut butter cup surprise inside, creating the ultimate chocolate-and-peanut-butter dessert.

Perfect for birthdays, parties, or anytime you want an impressive treat without complicated steps.

Why You’ll Love This Recipe

  • Gooey peanut butter center

  • Rich, moist chocolate cake

  • Surprise candy filling

  • Easy but impressive

  • Perfect individual portions

Preparation Time

Prep Time: 15 minutes
Bake Time: 16–20 minutes

Total Time: 35 minutes

Servings

Makes 12 cupcakes

Calories (Approximate)

About 320–400 calories per cupcake, depending on frosting and candy size.

Ingredients

For the Chocolate Cupcakes:

  • 1 cup all-purpose flour

  • 1/2 cup unsweetened cocoa powder

  • 3/4 cup granulated sugar

  • 1 teaspoon baking powder

  • 1/2 teaspoon baking soda

  • 1/4 teaspoon salt

  • 1/2 cup milk

  • 1/4 cup vegetable oil

  • 1 large egg

  • 1 teaspoon vanilla extract

  • 1/2 cup hot water

For the Lava Center:

  • 12 mini peanut butter cups (unwrapped)

Optional Peanut Butter Frosting:

  • 1/2 cup creamy peanut butter

  • 1/4 cup unsalted butter, softened

  • 1 1/2 cups powdered sugar

  • 2–3 tablespoons milk

Optional toppings:

  • Chocolate drizzle

  • Crushed peanut butter cups

How to Make Peanut Butter Cup Lava Cupcakes

Step 1: Prepare the Batter

Preheat oven to 350°F (175°C).

Line a 12-cup muffin tin with cupcake liners.

In a bowl, whisk together flour, cocoa powder, sugar, baking powder, baking soda, and salt.

Add milk, oil, egg, and vanilla. Mix until combined.

Stir in hot water (batter will be thin).

Step 2: Fill and Add Surprise Center

Fill each cupcake liner about halfway with batter.

Place one mini peanut butter cup in the center of each.

Cover with more batter until about 3/4 full.

Step 3: Bake

Bake for 16–20 minutes, until tops are set and a toothpick inserted into the cake (not the center) comes out clean.

Let cool for 5–10 minutes before removing from pan.

For extra molten texture, serve slightly warm.

Step 4: Optional Frosting

Beat peanut butter and butter until smooth.

Add powdered sugar gradually.

Mix in milk until creamy and spreadable.

Frost cooled cupcakes and top with chocolate drizzle if desired.

Expert Tips

Don’t Overbake

Slightly underbaking keeps the center softer and gooier.

Use Mini Candy

Full-size peanut butter cups are too large for standard cupcakes.

Serve Warm

The center is most “lava-like” when slightly warm.

Chill for Firmer Center

Refrigerate if you prefer a more set peanut butter filling.

Flavor Variations

Dark Chocolate Version

Use dark cocoa powder for deeper flavor.

Double Peanut Butter

Add a spoonful of peanut butter along with the candy.

Salted Twist

Sprinkle flaky sea salt on top.

Stuffed Brownie Version

Use brownie batter instead of cupcake batter.

Texture Breakdown

Top: Soft and chocolatey
Center: Melted, creamy peanut butter
Overall: Rich, gooey, and indulgent

Final Thoughts

Decadent Peanut Butter Cup Lava Cupcakes deliver that perfect chocolate-peanut butter combination in every bite. With their molten center and moist cake, they’re guaranteed to impress.

Serve warm for the ultimate lava experience and enjoy every gooey bite.

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