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BROWNIE BOMB BARS

by Lola

Ready to blow your dessert game out of the water? Meet Brownie Bomb Bars—the ultimate layered treat that combines fudgy brownies, gooey marshmallow creme, sweet coconut, and a crunchy chocolate-peanut butter topping. They’re every dessert lover’s dream and just as explosive in flavor as they sound! With textures that range from chewy to crispy and flavors that hit all the sweet spots, these bars are a guaranteed hit. Fun fact: marshmallow creme dates back to the early 1900s and still brings magic to modern desserts. If you’ve tried our Peanut Butter Chocolate Lasagna, think of these bars as its bold, bite-sized cousin. Let’s get messy—in the best way possible.

What is Brownie Bomb Bars?

The name says it all—Brownie Bomb Bars are an explosion of rich flavors and decadent layers! Starting with a classic brownie base, they’re topped with marshmallow fluff, coconut, and a crispy chocolate-peanut butter topping. Why call them “bomb”? Because one bite is like a flavor detonation in your mouth! And isn’t it true what they say—”the way to a man’s heart is through his stomach”? Well, these bars don’t just aim for the heart, they hit the sweet tooth bullseye. Don’t let the layers intimidate you—it’s easier than it looks and twice as fun.

Why You’ll Love This Brownie Bomb Bars Recipe

A Dessert Lover’s Dream

Fudgy brownies? Check. Gooey marshmallow? Yes. Chocolatey crunch? Absolutely! Every bite is layered with different textures and flavors, making these bars dangerously addictive.

Cost-Effective Indulgence

Using a boxed brownie mix and pantry staples keeps things simple and affordable. No fancy ingredients needed for a treat that looks (and tastes) like it came from a bakery.

Layered to Perfection

With three distinct and delicious layers, this dessert is a showstopper at bake sales, parties, or any sweet occasion. If you love our S’mores Bars, you’ll go wild for this twist with a crispy twist.

Warning: these bars disappear quickly—make a double batch if you plan on sharing!

How to Make Brownie Bomb Bars

Quick Overview

These bars may have three layers, but don’t worry—it’s all straightforward and totally worth it. Total time includes baking, layering, and a chill period, making this a great make-ahead treat.

Ingredients:

  • 1 (18 oz) box double chocolate premium brownie mix with chocolate chips
  • 1 egg
  • 1/3 cup vegetable oil
  • 1/4 cup water
  • 1 (7 oz) jar jet-puffed marshmallow creme
  • 1/3 to 1/2 cup sweetened flaked coconut
  • 2 cups milk chocolate chips
  • 1 cup chunky peanut butter
  • 3 1/2 cups cocoa krispies cereal

Step-by-Step:

Bottom Layer – Brownies:

  1. Preheat oven to 325°F (163°C). Lightly grease a 13×9-inch baking pan.
  2. In a medium bowl, mix together brownie mix, egg, oil, and water until fully combined.
  3. Spread the brownie batter evenly in the prepared pan.
  4. Bake for 35 to 45 minutes. Do not overbake.
  5. Let the brownies cool completely before moving on to the next layer.

Middle Layer – Marshmallow and Coconut:

  1. Once cooled, spread the marshmallow creme evenly over the brownie layer.
  2. Sprinkle sweetened flaked coconut on top of the marshmallow creme.

Top Layer – Chocolate Peanut Butter Crunch:

  1. In a microwave-safe bowl, combine chocolate chips and chunky peanut butter.
  2. Microwave in 1-minute intervals, stirring each time, until smooth and fully blended.
  3. Stir in the cocoa krispies cereal until well coated.
  4. Spread this mixture evenly over the marshmallow/coconut layer.

Final Step:

  1. Cover and chill the pan in the refrigerator for at least 2 hours.
  2. Once set, cut into bars and serve!

What to Serve Brownie Bomb Bars With

These rich bars pair beautifully with a tall glass of cold milk or a cup of hot coffee. For a party tray, serve them alongside fresh fruit or a scoop of vanilla ice cream to balance the sweetness. Hosting a game night or holiday get-together? These bars are your new secret weapon.

Top Tips for Perfecting Brownie Bomb Bars

  • Cool Completely: Don’t rush layering—wait until brownies are fully cool to avoid melting the marshmallow.
  • Cut Cleanly: Chill thoroughly and use a sharp knife wiped clean between cuts for neat squares.
  • Customize Layers: Swap in white chocolate chips, almond butter, or crushed pretzels for a fun twist.
  • Cereal Swap: Can’t find cocoa krispies? Use rice krispies and add 2 Tbsp cocoa powder for a similar flavor.

Storing and Reheating Tips

Store bars in an airtight container in the refrigerator for up to one week. For longer storage, freeze them in a single layer until firm, then transfer to a freezer bag. Thaw in the fridge overnight before serving. These bars are best served chilled or at room temp—no reheating needed!

FAQs

Can I use homemade brownies instead of boxed mix? Definitely! Just be sure they’re dense and fudgy for best results.

Is it okay to skip the coconut? Yes—feel free to leave it out or replace it with chopped nuts or crushed graham crackers.

Can I use creamy peanut butter instead of chunky? Yes, though chunky adds a bit more texture. Use what you prefer or have on hand!

Conclusion

Brownie Bomb Bars are the ultimate triple-threat dessert: chewy, gooey, and crunchy all in one bite. Easy to make and impossible to resist, they’re a fun twist on classic treats that everyone will rave about. Perfect for potlucks, parties, or your next kitchen experiment, these bars truly live up to their name.

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Brownie Bomb Bars

Rating: 5.0/5
( 1 voted )
Serves: 24 Prep Time: Cooking Time: Nutrition facts: 320 calories 18g fat

Ingredients

  • 1 (18 oz) box double chocolate premium brownie mix with chocolate chips
  • 1 egg
  • 1/3 cup vegetable oil
  • 1/4 cup water
  • 1 (7 oz) jar jet-puffed marshmallow creme
  • 1/3 to 1/2 cup sweetened flaked coconut
  • 2 cups milk chocolate chips
  • 1 cup chunky peanut butter
  • 3 1/2 cups cocoa krispies cereal

Instructions

  1. Preheat oven to 325°F (163°C). Lightly grease a 13x9-inch baking pan.
  2. In a medium bowl, mix together brownie mix, egg, oil, and water until fully combined. Spread evenly in the prepared pan.
  3. Bake for 35–45 minutes. Let cool completely.
  4. Spread marshmallow creme over cooled brownie layer and sprinkle with coconut.
  5. In a microwave-safe bowl, melt chocolate chips and peanut butter in 1-minute intervals until smooth.
  6. Stir in cocoa krispies cereal until coated. Spread evenly over the marshmallow layer.
  7. Cover and refrigerate for at least 2 hours. Cut into bars and serve.

Notes

Chill thoroughly before cutting for clean bars. You can use creamy peanut butter or swap in white chocolate. Store refrigerated up to 1 week or freeze for longer storage.

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