M&M Rice Krispies are a colorful, fun twist on classic Rice Krispies treats. These bars combine the crisp snap of cereal, the chewy sweetness of marshmallows, and the crunchy chocolate of M&M candies for a dessert that’s as playful as it is delicious. They’re simple to prepare, require no baking, and are perfect for parties, school lunches, or an easy after-dinner treat.

Why You’ll Love This Recipe
These M&M Rice Krispies stand out for their bright, festive look and the satisfying contrast of textures. The marshmallow binds the cereal into a soft, chewy base while the M&Ms add pops of chocolate and a pleasant crunch. The recipe is quick and adaptable — swap candies, add mix‑ins, or dress them up with a drizzle of melted chocolate for special occasions.
Expert Tips and Tricks
- Use fresh marshmallows: They melt more smoothly for a better texture.
- Low heat: Melt butter and marshmallows over low heat to avoid scorching.
- Press gently: Press the mixture into the pan lightly to keep the bars tender and airy.
- Add M&Ms last: Stir or scatter M&Ms in just before the mixture cools to prevent color bleed and melting.
- Spread evenly: Use a spatula to level the mixture in the pan so the bars are uniform.

Recipe Variations and Substitutions
- Different candies: Swap M&Ms for chocolate chips, Reese’s Pieces, or other colorful candies.
- Peanut butter twist: Stir 1/2 cup peanut butter into the melted marshmallows for a nutty version.
- Chocolate drizzle: Finish with a drizzle of melted chocolate for extra richness.
- Holiday versions: Use seasonal M&Ms or sprinkles to match holidays or events.
- Healthier options: Try brown rice cereal and natural marshmallows for a slightly lighter take.
Serving and Pairing Suggestions
Serve M&M Rice Krispies on a dessert platter, individually wrapped for lunchboxes, or alongside a cold glass of milk. For parties, cut into shapes with cookie cutters or top with extra candies and sprinkles for a festive presentation.

Storage and Reheating Tips
- Room temperature: Store in an airtight container at room temperature for up to 3 days.
- Refrigeration: Refrigerate up to a week to extend freshness; bring to room temperature before serving for best texture.
- Freezing: Freeze in a freezer-safe container for up to 2 months. Thaw at room temperature.
- No reheating needed: These bars are best enjoyed at room temperature.
Recipe FAQs
How do I cut the bars cleanly? Use a sharp knife and wipe it between cuts to keep edges neat.
Can I use mini marshmallows? Yes — mini marshmallows melt quickly and evenly, making them ideal.
How do I prevent sticking? Line the pan with parchment paper and press the mixture onto the paper for easy removal.
Can I use flavored Rice Krispies? Yes, flavored or colored cereal adds variety and visual interest.
M&M Rice Krispies
12 squares
15 minutes
10 minutes
30 minutes
55 minutes
A mix of crispy cereal, gooey marshmallows, and colorful M&M candies for a simple, crowd-pleasing treat.
Ingredients
- 4 cups Rice Krispies cereal
- 3 cups mini marshmallows
- 2 tablespoons unsalted butter
- 1 cup M&M candies (assorted colors)
Instructions
- Melt marshmallows: In a large pot, melt the butter over low heat. Add mini marshmallows and stir until fully melted and smooth.
- Add Rice Krispies: Remove the pot from heat and gently fold in the cereal until evenly coated.
- Press into pan: Transfer the mixture to a greased 9×9-inch pan and press it in using a spatula or lightly greased hands.
- Scatter M&Ms: While still slightly warm, scatter M&Ms over the top and press them in gently so they don’t sink.
- Cool and set: Let the pan sit at room temperature until set, about 30 minutes.
- Cut and serve: Cut into squares and enjoy.
Notes
Work quickly: The mixture can firm up fast. Press gently when adding candies so they remain visible on top.
Nutrition Information:
Yield: 12
Serving Size: 1
Amount Per Serving:
Calories: 179
Total Fat: 6g
Saturated Fat: 4g
Trans Fat: 0g
Unsaturated Fat: 2g
Cholesterol: 8mg
Sodium: 70mg
Carbohydrates: 31g
Fiber: 1g
Sugar: 19g
Protein: 2g
