If you are looking for a dessert that perfectly combines the richness of chocolate with the irresistible creaminess of peanut butter and the fun crunch of cereal, the Chocolate Peanut Butter Crunch Brownies Recipe is your next must-try treat. This indulgent brownie creation starts with a fudgy Ghirardelli brownie base, topped with a gooey layer of marshmallow cream, then crowned with a glossy chocolate-peanut butter Rice Krispies crunch that adds both texture and flavor in every bite. Whether you’re baking for a celebration or just to brighten up an ordinary day, these brownies are guaranteed to bring joy to your kitchen and smiles to your table.

Ingredients You’ll Need
Simple, accessible ingredients come together seamlessly to create a dessert that feels both gourmet and homey. Each component plays a key role: the brownie mix builds a rich foundation, marshmallow cream adds a soft, sweet layer, chocolate chips and peanut butter unite into a luscious coating, and Rice Krispies provide that delightful crunch to finish.
- 1 box Ghirardelli brownie mix: The premium quality ensures a deliciously fudgy and moist brownie base every time.
- 198 grams marshmallow cream: Adds a smooth, pillowy sweetness that contrasts perfectly with the chocolate.
- 340 grams chocolate chips: Melts into a silky chocolate layer that enhances the bar’s richness.
- 385 grams smooth peanut butter: Brings creamy, nutty depth that pairs wonderfully with chocolate.
- 150 grams Rice Krispies cereal: Gives the signature crunch that makes this dessert uniquely satisfying.
How to Make Chocolate Peanut Butter Crunch Brownies Recipe
Step 1: Bake the Brownie Base
Start by preheating your oven and preparing the Ghirardelli brownie mix exactly as the package instructs. This simple step sets the stage for the whole dessert, crafting a dense, fudgy base that will hold all the luscious toppings. After baking, make sure the brownies cool completely while still in the baking tin; patience here keeps your layers neat and prevents melting later.
Step 2: Spread the Marshmallow Layer
Once cooled, evenly spread the marshmallow cream across the surface of the brownies. Using a spatula for this makes it easier to get a smooth finish. The marshmallow cream adds a soft, slightly sticky layer that balances richness with light sweetness, creating an inviting contrast to the chocolate and peanut butter to come.
Step 3: Melt the Chocolate Chips
Place the chocolate chips in a heatproof bowl and microwave for 30 seconds. Stir them well, then continue microwaving in 10-second increments, stirring after each, until the chocolate is fully melted and glossy. This gentle melting technique prevents the chocolate from burning, ensuring a smooth texture perfect for mixing.
Step 4: Combine Peanut Butter and Chocolate
Add the smooth peanut butter into the melted chocolate and stir vigorously until you have a shiny, fully combined mixture. This luscious blend of chocolate and peanut butter is the flavor powerhouse of the topping, giving that classic pairing a decadent twist.
Step 5: Coat the Rice Krispies
Transfer the Rice Krispies cereal to a large mixing bowl. Pour the chocolate-peanut butter mixture over the cereal, then fold gently to coat every last piece. This step transforms simple cereal into a crunchy, flavor-packed topping that adds amazing texture to each bite.
Step 6: Layer the Crunch on the Brownies
Evenly spread the coated Rice Krispies over the marshmallow layer on the brownies. Use a spatula to smooth the topping, making sure it’s nicely distributed. This creates a beautiful, textured surface that looks as good as it tastes.
Step 7: Chill to Set
Place the pan in the refrigerator and chill for at least two hours. This chilling time allows the topping to firm up properly, making slicing clean and serving easier while ensuring the crunch stays perfectly crisp.
Step 8: Slice and Serve
After chilling, remove the brownies from the fridge and carefully slice them into squares. Serve these delightful Chocolate Peanut Butter Crunch Brownies as a special treat at your next gathering or as an anytime indulgence that’s sure to impress.
How to Serve Chocolate Peanut Butter Crunch Brownies Recipe
Garnishes
To add a little extra flair, consider sprinkling chopped roasted peanuts or drizzling extra melted chocolate over the top just before serving. A light dusting of powdered sugar can also elevate the presentation and add a subtle sweetness.
Side Dishes
These brownies pair wonderfully with a scoop of vanilla ice cream or a dollop of whipped cream. Fresh berries such as strawberries or raspberries bring a refreshing balance that complements the richness without overpowering it.
Creative Ways to Present
For a party, serve individual squares on decorative plates with mini forks and a small side of fruit. You can also stack brownies between parchment paper to create an appealing layered dessert platter. Another fun idea: cut into bite-sized pieces and serve skewered with fruit for a playful dessert on a stick.
Make Ahead and Storage
Storing Leftovers
Keep leftover Chocolate Peanut Butter Crunch Brownies in an airtight container at room temperature for up to three days. This helps preserve their moisture and crunch without allowing the topping to soften too much.
Freezing
To enjoy these brownies later, freeze them in a single layer on a baking sheet until solid, then transfer to a freezer-safe container. They will stay fresh in the freezer for up to two months. Thaw in the fridge overnight before serving to maintain texture and flavor.
Reheating
Although these brownies are best enjoyed chilled or at room temperature, if you prefer a warm treat, microwave a single square for about 10-15 seconds. Be careful not to overheat, as the marshmallow and chocolate can become too runny.
FAQs
Can I make these brownies without marshmallow cream?
While the marshmallow cream adds a special texture and flavor, you can substitute it with a layer of cream cheese frosting or even skip it entirely for a denser, more chocolate-forward brownie.
What type of peanut butter works best?
Smooth peanut butter is recommended for this recipe since it blends easily with melted chocolate, creating that ideal glossy texture. Avoid chunky peanut butter to keep the topping’s consistency uniform.
Can I use homemade brownies instead of a mix?
Absolutely! If you prefer making brownies from scratch, any dense and fudgy recipe will work perfectly as a base for this dessert.
Is it possible to make this recipe nut-free?
To make a nut-free version, substitute the peanut butter with sunflower seed butter or a similar nut-free spread, but note that this changes the flavor profile slightly.
How do I prevent the Rice Krispies topping from getting soggy?
Chilling the brownies thoroughly before serving helps set the topping and keep it crisp. Also, spreading the marshmallow cream evenly prevents moisture from seeping into the cereal and ensures a satisfying crunch.
Final Thoughts
If you want to wow your friends or simply treat yourself to the ultimate indulgence, the Chocolate Peanut Butter Crunch Brownies Recipe is a phenomenal choice. With a perfect balance of fudgy, creamy, and crunchy textures combined with rich, harmonious flavors, this dessert is a real crowd-pleaser. I can’t wait for you to try it and experience firsthand how this delightful treat brightens up any day.
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Chocolate Peanut Butter Crunch Brownies Recipe
- Prep Time: 30 minutes
- Cook Time: 30 minutes
- Total Time: 3 hours (including chilling time)
- Yield: 12 squares
- Category: Dessert
- Method: Baking
- Cuisine: American
Description
Indulge in these decadent Chocolate Peanut Butter Crunch Brownies, featuring a rich Ghirardelli brownie base topped with a gooey marshmallow layer and a crunchy chocolate peanut butter Rice Krispies topping. Perfectly fudgy with a satisfying crunch, these treats make a wonderful dessert or snack for chocolate and peanut butter lovers.
Ingredients
Brownie Base
- 1 box Ghirardelli brownie mix, prepared according to package instructions
Topping
- 198 grams marshmallow cream
- 340 grams chocolate chips
- 385 grams smooth peanut butter
- 150 grams Rice Krispies cereal
Instructions
- Prepare and bake the brownie base: Preheat your oven according to the brownie mix package instructions. Prepare the Ghirardelli brownie mix as directed on the box. Pour the batter into the baking tin and bake as instructed. Once baked, allow the brownie to cool completely in the baking tin.
- Spread the marshmallow cream: After the brownies have fully cooled, gently spread the marshmallow cream evenly across the surface using a spatula to create a smooth layer.
- Melt the chocolate chips: Place the chocolate chips in a heatproof bowl and microwave for 30 seconds. Stir well, then continue microwaving in 10-second intervals, stirring after each, until the chocolate is fully melted and smooth.
- Combine peanut butter and melted chocolate: Add the smooth peanut butter to the melted chocolate and mix thoroughly until the mixture is fully combined and has a glossy appearance.
- Coat the Rice Krispies: In a large mixing bowl, place the Rice Krispies cereal. Pour the chocolate-peanut butter mixture over the cereal and stir gently until every piece is thoroughly coated with the mixture.
- Assemble the topping layer: Evenly spread the chocolate peanut butter coated Rice Krispies over the marshmallow layer on the brownies. Use a spatula to smooth the top into an even layer.
- Chill to set: Transfer the pan to the refrigerator and chill for at least 2 hours, or until the topping is firm and set.
- Slice and serve: Remove the brownies from the refrigerator, slice into 12 equal squares, and serve to enjoy a delicious combination of fudgy, creamy, and crunchy textures.
Notes
- Ensure brownies are completely cool before spreading marshmallow cream to avoid melting the topping.
- Use smooth peanut butter for best consistency and spreadability.
- Microwave chocolate in short bursts to prevent burning.
- Store leftovers in an airtight container in the refrigerator to maintain freshness and topping texture.
- For extra richness, consider adding a pinch of salt to the chocolate peanut butter mixture.

