Chocolate Rice Crispy Cake (No Bake)

Key Takeaways

• This chocolate rice crispy cake no bake recipe uses simple pantry ingredients: rice krispies, chocolate, butter, syrup, and optional marshmallows.
• No-Bake Double Chocolate Rice Krispie Cake can be prepared in 15 minutes, then the cake sets completely in the fridge after preparation.
• The basic method is simple: melt the chocolate mixture, stir in rice krispies, press into a tin or spoon into cases, and chill.
• Standard rice krispies cereal works best, but cornflakes, cocoa cereal, rice bubbles, or broken pretzel sticks can work too.
• You’ll also get recipe tips, storage instructions, freezing advice, and variations to make this recipe your own.

Why You’ll Love This No Bake Chocolate Rice Crispy Cake

This is a nostalgic, crunchy-chewy chocolate rice cake with no oven required, minimal washing up, and a glossy finish that makes it look far more effortful than it is. It is beginner-friendly, great for children, and ideal if you are new to any bake recipe but still want reliable treats.

Unlike classic rice krispies treats, this version has a thicker chocolate bite and a firmer, more cake-like texture. These crispy cakes work for bake sales, birthday buffets, after-school snacks, or last-minute desserts for chocolate lovers.

Ingredients for Chocolate Rice Crispy Cake

Everything is easy to find in a supermarket in 2026, and you do not need specialist equipment.

• rice krispies cereal: Use 5–6 cups; regular rice krispie cereal gives the cleanest crunch.
• butter: Use 4 tbsp unsalted butter, or salted butter and skip the added salt.
• milk chocolate: Adds sweetness and a creamy set.
• dark chocolate: Using high-quality dark chocolate can elevate the flavor profile of the cake.
• chopped chocolate or chocolate chips: Chopped chocolate can melt faster; chocolate chips also work well.
• golden syrup or light corn syrup: Helps the mixture bind and stay glossy.
• mini marshmallows: Key ingredients for a no-bake chocolate rice crispy cake include butter, mini marshmallows, and chocolate chips.
• cocoa powder: The cake is made with a melted marshmallow base, cocoa powder, and chocolate chips if you want a deeper double-chocolate style.
• vanilla extract and salt: Adding salt and vanilla extract to melted butter enhances the chocolate flavor.
• Optional extras: flaky sea salt, cacao nibs, toasted nuts, crushed biscuits, sprinkles, or a thick layer of chocolate ganache made with heavy cream.

Chocolate rice crispy treats typically require ingredients such as butter, marshmallows, cocoa powder, chocolate chips, and Rice Krispie cereal. These treats are typically made with just a few ingredients, including chocolate chips, cocoa powder, and marshmallows, which are melted together before mixing with rice krispies.

Step-by-Step: How to Make This No Bake Chocolate Rice Crispy Cake

Prep time is about 15 minutes; thinner chocolate rice krispie treats can be made in under 10 minutes without the need for an oven, making them a quick and easy dessert option.

1. Line an 8×8 inch pan with parchment paper, leaving overhang, then set up your prepared pan.
2. Add butter, chopped chocolate, and syrup to a large pot over low heat, or use a heatproof bowl over barely simmering water as a double boiler.
3. Melt the butter and chocolate, stirring constantly, until the mixture is melted and smooth, fully melted, and glossy. Do not boil the simmering water.
4. Remove from heat. Stir in vanilla extract, salt, cocoa powder, and marshmallows until completely melted.
5. Tip rice krispies into a large bowl. Scrape over the melted chocolate mixture and fold with a spoon until evenly coated.
6. Transfer to the pan and gently press into an even layer. Do not crush the rice crispy base.
7. Chill in the fridge for 1–2 hours until firm, then slice into squares. No bake chocolate rice krispie treats can be set in the refrigerator for about 15 minutes to firm up before cutting into squares if made thin or in small paper liners.

You can also spoon the mixture into cupcake cases for individual crispy cakes.

Recipe Tips and Easy Variations

• Do not over-crush the cereal; gently press the mixture so the rice krispie bite stays light and crunchy.
• Use more dark chocolate and less milk chocolate for a richer adult version, or drizzle white chocolate over the top for children.
• Sweetened condensed milk can be added to the melted marshmallow-chocolate mixture for a richer texture.
• Texture can be enhanced by folding in ingredients like flaky sea salt, cacao nibs, or toasted nuts.
• Alternatives to Rice Krispies include cornflakes, all bran, chow mein noodles, or broken pretzel sticks for making crispy cakes.
• Using Cocoa Krispies instead of regular Rice Krispies can be done in a pinch, but it may not provide the same rich chocolate flavor as using real chocolate with Rice Krispies.
• For a softer finish, use slightly more butter; for a firmer finish, add extra chocolate.
• Nutrition calories vary by slice size; chocolate and butter add saturated fat, nuts add monounsaturated fat and polyunsaturated fat, and labels can confirm trans fat.

Serving Ideas and Occasions

Bring a tray of glossy chocolate rice crispy cake to the table and the first thing people notice is the snap, then the crunch. Lift the slab out with the parchment paper before slicing for neater edges.

• Cut into 12–16 squares for lunchboxes, school fairs, or office treats.
• Make mini rice krispie treats in cupcake cases or paper liners with sprinkles or mini eggs.
• Serve with vanilla ice cream for dessert, or coffee after dinner as a lighter option than rich cake.
• Let the cake sit at room temperature for 5–10 minutes after chilling so it cuts without shattering.

Storage, Freezing, and Make-Ahead

• Store chocolate rice crispy treats in an airtight container at room temperature for up to 3 days.
• If stored in the fridge, chocolate rice crispy treats can last up to 5 days, but they may start to soften after that time.
• Chocolate rice crispy treats can be frozen for up to 3 months if wrapped tightly in plastic wrap and stored in a freezer-safe container or bag.
• Thaw frozen squares at room temperature for 30–45 minutes before serving.
• Transport in a cool bag on hot days so the chocolate does not melt and the rice crispy base does not soften.

More No Bake Chocolate and Rice Krispie Treats to Try

If you liked this no bake recipes method, adapt it without changing the base technique.

• Try a chocolate peanut butter rice krispie slice with peanut butter swirled into the melted chocolate.
• Make two-ingredient chocolate and rice krispies cups for a fast sweet treat.
• Add caramel, candy bar chunks, dried fruit, or a ganache topping for more layered chocolate rice krispie treats.
• Change the pan shape, sprinkles, or toppings for holidays.

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FAQ

Can I use a different cereal instead of rice krispies?

Yes. Cornflakes, puffed rice, cocoa cereal, all bran, chow mein noodles, or broken pretzel sticks can be used, but sweetness and texture will change. Keep roughly the same cereal volume so the chocolate coating binds into a firm cake.

How do I stop my chocolate rice crispy cake from going too hard?

Use low heat, avoid overheating, and do not add too much chocolate for the amount of cereal. A spoonful of heavy cream or a little extra butter can make the chilled texture softer and fudgier.

Can I make this recipe in the microwave?

Yes. Use a microwave safe bowl and heat the butter, chocolate, and syrup in 20–30 second bursts, stirring between each, until smooth. Mix with the rice krispies straight away in a large bowl.

Is this chocolate rice crispy cake suitable for vegans?

It can be vegan if you use dairy-free dark chocolate, vegan butter, vegan-friendly cereal, and gelatine-free marshmallows. Golden syrup is usually vegan, but always check labels.

What size tin should I use if I want thicker or thinner slices?

Use an 8×8 inch tin for thicker, cake-like squares or a 9×13 inch tin for thinner bars that set faster. Tin size changes height and chilling time, but not prep time.