2 Ingredient Chocolate Fudge Cakes

The easiest 2 ingredient chocolate fudge cakes you'll ever make use just sweetened condensed milk and dark chocolate. They set in the fridge into dense, sliceable little cakes with a glossy top and a truffle-like center. This recipe gives you a reliable method with exact ratios so the texture stays firm yet fudgy.

You don't need flour, eggs, or a mixer for these. The heat from the warm chocolate thickens the condensed milk as it cools, which is what gives the cakes their structure without baking. Portion them into small cups or a tray and you have a make-ahead dessert that travels well. If you enjoyed this, our gilt bream is worth trying next. Making this 2 ingredient chocolate fudge cakes at home is surprisingly straightforward once you know the key steps.

Why You'll Love These 2 Ingredient Chocolate Fudge Cakes

• Only two shelf-stable ingredients you can keep on hand for last-minute desserts.
• No oven required, so the kitchen stays cool and cleanup is one bowl.
• Texture lands between a brownie and a truffle: firm edge, soft middle.
• Naturally portion-controlled when set in a muffin tin or small ramekins.
• Easy to dress up with salt, nuts, or fruit without changing the base method.

Ingredients You'll Need

• 400 g sweetened condensed milk (one standard can)
• 300 g dark chocolate (55–70% cacao), finely chopped

Use a standard 397 g can if that's what's available; the small difference won't change the set. Chop the chocolate fine so it melts evenly and doesn't leave lumps in the mixture. The 2 ingredient chocolate fudge cakes works well for weeknight cooking when time is limited.

Ingredient Substitutions

Sweetened condensed milk: Replace with an equal weight of sweetened condensed coconut milk for a dairy-free version. Coconut condensed milk is slightly thinner, so let the mixture cool for 10 minutes before portioning to help it thicken. Expect a faint coconut note and a slightly softer set at room temperature. Storing leftover 2 ingredient chocolate fudge cakes correctly keeps it tasting good for days.

Dark chocolate: Swap with an equal weight of milk chocolate for a sweeter, softer cake. Milk chocolate contains more sugar and fat, so the finished cakes will be looser and need up to 4 hours of chill time to firm. The flavor reads more like a candy bar than a bittersweet fudge. For the best results with this 2 ingredient chocolate fudge cakes, read through all the steps before starting.

Dark chocolate: Use 100% unsweetened chocolate plus 2 tbsp of honey or maple syrup per 300 g to control sweetness. Unsweetened chocolate alone is too bitter and won't balance the condensed milk's sugar without the added syrup. The cakes will be firmer and more intensely cocoa-flavored. For another easy option, check out our recipe barrel.

Step-by-Step Instructions

1. Place 300 g finely chopped dark chocolate in a heatproof bowl that fits over a pot without touching the water.
2. Pour 400 g sweetened condensed milk over the chocolate and set the bowl over medium-low heat with 2 cm of simmering water beneath.
3. Stir every 30 seconds until the chocolate is fully melted and the mixture is smooth and glossy, about 3–4 minutes total.
4. Remove the bowl from the heat and let it sit for 5 minutes so the mixture thickens slightly and cools to a pourable but viscous texture.
5. Divide into 8 slots of a lined muffin tin or a small parchment-lined 8x8 pan, tapping the tin once to level the tops.
6. Refrigerate 2–3 hours until the cakes are firm to a light touch and a toothpick inserted comes out with no wet residue.

Pro Tips

Chop the chocolate as evenly as possible so it melts at the same rate and you avoid scorched bits at the bottom of the bowl. A double boiler technique keeps the heat gentle and prevents the condensed milk from caramelizing.

Grease or line your mold well; these cakes stick to bare metal and crack when forced out. Use a paper liner or a light wipe of oil for clean release.

For a cleaner slice from a tray, cut with a warm knife wiped between passes. The heat seals the edge instead of dragging the fudge apart.

Add a pinch of flaky salt on top before chilling if you like contrast. Salt slows the perception of sweetness and makes the cocoa taste deeper.

Common Mistakes to Avoid

Heating the mixture too fast on direct heat causes the milk solids to seize and turn grainy. Keep the bowl off the burner and use medium-low heat with water between.

Under-chilling leaves the cakes too soft to hold shape, especially in warm kitchens. Wait until the center feels firm, not just cold on the surface.

Using chocolate chunks that are too large means uneven melting and streaks in the final cake. Finely chop or use callets for a uniform texture. You might also like our contact.

Serving Suggestions

Unmold onto a plate and serve with a spoonful of avocado smoothie on the side for a cool contrast. The mild green drink balances the dense chocolate without adding more sugar.

Top with fresh raspberries or orange segments to cut the richness. A small almond cake nearby makes a nice texture mix if you're building a dessert board.

For a plated version, set one cake on a pool of walnut sauce thinned with cream. The nutty base echoes the roasted notes in dark chocolate.

Storage and Reheating

Keep the cakes in an airtight container in the fridge for up to 2 weeks because the base has no dairy freshness risk beyond the condensed milk. Separate layers with parchment so they don't stick.

These freeze well for up to 3 months in a sealed container. Thaw in the fridge overnight rather than at room temperature to keep the surface from sweating.

Do not leave them out for more than 2 hours since the chocolate softens and the condensed milk can invite bacterial growth once warm. Serve chilled or at cool room temperature.

Recipe Variations

Orange Version

Add 1 tsp finely grated orange zest to the warm mixture before portioning. The oils lift the bitter cocoa and give a bright finish. Expect a firmer feel from the added surface area of zest, though set time stays the same.

Espresso Version

Stir 1 tsp instant espresso powder into the condensed milk before heating. The powder dissolves fully and deepens the chocolate without making the cakes taste like coffee. They'll read as darker and slightly less sweet.

Nutty Version

Fold 50 g toasted chopped hazelnuts into the mixture after it leaves the heat. The nuts add crunch and a roasted note, but space them so the cakes still set evenly. Chill 30 minutes longer to account for the added volume.

Mint Version

Add 1/4 tsp peppermint extract to the cooled mixture for a cool aftertaste. Use extract, not oil, to avoid thinning the base. The cakes stay the same texture with a candy-cane edge.