Start by melting butter, sweetened condensed milk and sugar, then stir in semisweet chocolate until smooth. Fold in cornflakes to coat and press the mixture into an 8x8 pan lined with parchment. For a glossy top, melt chocolate with heavy cream and butter, spread over the base, and chill at least 1 hour until firm. Cut into bars; add nuts or sprinkles if desired and store airtight up to 5 days.
The rain was hammering against the kitchen window the afternoon my youngest niece announced she needed a bake sale contribution for tomorrow morning, and I had exactly nothing planned. We rummaged through the pantry together, her small hands pulling out a half crushed box of cornflakes and a jumbo bag of chocolate chips, holding them up like treasure. Forty minutes later we had a pan of the most absurdly addictive bars cooling in the fridge, and she ate three before they were fully set.
My sister called later that week asking for the recipe because apparently the bake sale table sold out in fifteen minutes and another parent chased her down in the parking lot wanting details.
Ingredients
- Cornflakes (3 cups): Use fresh, crispy ones, not the stale half empty bag at the back of the cupboard, because the crunch is everything here.
- Semisweet chocolate chips (2 cups total): One cup for the base and one for the fudge topping, and grab a decent brand since the chocolate carries the whole dessert.
- Unsalted butter (1/2 cup plus 2 tablespoons): The larger amount goes into the chewy base, the smaller into that silky topping, and unsalted lets you control the flavor.
- Sweetened condensed milk (1/2 cup): This is what gives the base that irresistible chewy fudge quality, so do not skip it or substitute evaporated milk.
- Granulated sugar (1/4 cup): Just a bit to bolster the sweetness and help the base set properly once chilled.
- Vanilla extract (1/2 teaspoon): A small amount but it rounds out the chocolate beautifully.
- Salt (a pinch): Salt in chocolate desserts is non negotiable, it makes everything taste deeper and more balanced.
- Heavy cream (1/4 cup): Only for the fudge topping, transforming melted chocolate into something glossy and pourable.
Instructions
- Prep the pan:
- Line your 8x8 inch baking pan with parchment paper, leaving enough overhang on the sides to lift the whole thing out later like a genius.
- Melt the base together:
- Set a large saucepan over low heat and melt the half cup of butter gently, then pour in the sweetened condensed milk and sugar, stirring until the sugar fully dissolves and the mixture looks smooth and glossy.
- Build the chocolate base:
- Take the pan off the heat entirely before adding one cup of chocolate chips, the vanilla, and salt, then stir patiently until the chocolate melts completely into a dark silky pool.
- Fold in the crunch:
- Tip in all three cups of cornflakes and fold gently with a spatula, scooping from the bottom so every flake gets coated without crushing them into dust.
- Press into the pan:
- Transfer the chocolate coated cornflake mixture into your prepared pan and press it down evenly, using the back of a spoon or your lightly buttered hands to get a flat uniform layer.
- Make the fudge topping:
- In a microwave safe bowl, combine the remaining cup of chocolate chips with the heavy cream and two tablespoons of butter, then microwave in twenty second bursts, stirring between each, until you have a smooth pourable ganache.
- Top and chill:
- Pour the fudge topping over the cornflake base and spread it out evenly with your spatula, then place the whole pan in the refrigerator for at least one hour until fully set and firm to the touch.
- Cut and serve:
- Lift the slab out using the parchment overhang, set it on a cutting board, and slice into sixteen bars with a sharp knife, wiping the blade between cuts for clean edges.
My niece now requests these bars for every single holiday, birthday, and random Tuesday she deems worthy of chocolate, and I have stopped pretending I need an excuse to make them.
Fun Ways to Customize Them
Fold a quarter cup of chopped toasted pecans or dried cherries into the cornflake base for a surprise in every bite, or press colorful nonpareils into the wet fudge topping before it sets for a festive party look that costs you zero extra effort.
Storing Your Leftovers
Keep the bars in an airtight container in the refrigerator for up to five days, though in my experience they rarely last past day two, and you can also freeze them layered between sheets of parchment for up to three months.
A Few Last Thoughts
These bars are forgiving in a way most desserts are not, which makes them perfect for cooking with kids or making at ten oclock at night when the chocolate craving hits hard.
- Check your cornflake box for a gluten free label if that matters to your household.
- Read chocolate chip packaging carefully for potential nut cross contamination if allergies are a concern.
- Trust the chill time, patience is the only hard part of this recipe.
Some recipes earn a permanent spot in your rotation because they ask so little and give so much back. These bars did exactly that, and I hope they do the same for you.
Recipe FAQs
- → How do I keep the bars crunchy?
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Press the cornflake mixture firmly into the pan so pieces bind without collapsing. Avoid overheating the chocolate mix, coat flakes evenly, and refrigerate until fully set. Store in an airtight container to preserve crunch.
- → Can I swap the chocolate type?
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Yes. Semisweet gives balance, but bittersweet yields a deeper flavor and milk chocolate makes them sweeter. Adjust sugar slightly if using milk chocolate and taste the base before chilling.
- → Are there gluten-free options?
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Use certified gluten-free cornflakes or substitute puffed rice or gluten-free crisp cereal. Check labels on chocolate and condensed milk for hidden gluten.
- → How can I make these dairy-free?
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Replace butter with a plant-based spread and use dairy-free chocolate and a coconut condensed milk alternative. Texture may be slightly different; chill longer to firm up the bars.
- → What are good add-ins or toppings?
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Fold in chopped toasted nuts, dried fruit, or coconut for texture. Sprinkle nonpareils or chopped nuts on the fudge layer before chilling for a festive finish.
- → How should I store and freeze the bars?
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Keep in an airtight container in the fridge for up to 5 days. For longer storage, freeze tightly wrapped portions for up to 1 month; thaw in the fridge before serving to avoid sogginess.