This chocolate walnut fudge is a three-ingredient microwave recipe made with dark chocolate, sweetened condensed milk, and chopped walnuts. It takes five minutes to melt, needs no candy thermometer, and sets into smooth squares with crunchy walnut pieces.
Why You'll Love This Chocolate Walnut Fudge
- Balanced chocolate flavor: Dark chocolate balances the sweetness of the condensed milk without hiding the walnuts.
- Smooth with plenty of crunch: The chocolate base sets smoothly while chopped walnuts remain noticeable throughout every piece.
- A useful small-pan batch: One loaf pan produces 28 pieces for sharing, gifting, or keeping chilled.
- Easy to prepare ahead: The fudge can set in the refrigerator long before it is needed.
A small bakery near our market in Spain kept trays of chocolate sweets beside the register. My father always chose the walnut fudge because he liked the contrast between smooth chocolate and crunchy nuts. That memory still comes back whenever I make this recipe at home. It carries the same simple chocolate comfort I enjoy in Snickers brownies and chocolate biscuit cake. Now I make it for holidays, gifting, or a small after-dinner treat.
I use dark chocolate because its deeper flavor balances the sweetness of the condensed milk. The fudge sets smooth and firm, while the chopped walnuts add crunch throughout each square. Short microwave intervals let me melt the base gradually before folding in the walnuts. That gentle method avoids the cooked-sugar process used in Hershey's cocoa fudge. It feels closer to the simple melting technique behind chocolate bark, but produces a softer, denser texture.
Key Ingredients in Chocolate Walnut Fudge
Only three ingredients are needed, so each one has a clear effect on the finished fudge.
- Dark chocolate: I use chopped dark chocolate because its deeper cocoa flavor balances the condensed milk. Semi-sweet chocolate chips can also be used.
- Sweetened condensed milk: For me, condensed milk makes this method practical because it provides sweetness and creates the smooth chocolate base.
- Walnuts: I chop some pieces slightly larger because the uneven pieces create a more noticeable contrast inside the smooth fudge.
How to Make Chocolate Walnut Fudge
The complete recipe with measurements is in the printable card below.
1. Melt the chocolate base: Microwave the dark chocolate and condensed milk in short intervals, stirring thoroughly until smooth and glossy.
2. Add the walnuts: Stir in the chopped walnuts until they are evenly mixed through the chocolate mixture, and everything looks smooth and glossy.
3. Chill until firm: Pour the mixture into a loaf pan lined with parchment paper, and spread it evenly.
4. Chill and slice: Refrigerate until firm, lift the slab from the pan, and cut it into pieces.
Helpful Swaps
- Semi-sweet chocolate chips: These can replace the chopped dark chocolate for a slightly sweeter result.
- Milk chocolate: This will produce a sweeter, potentially softer fudge.
- Different nuts: Pecans or hazelnuts can replace the walnuts when a different nut flavor is preferred.
Tips for Chocolate Walnut Fudge
- Use fresh walnuts: Walnuts that taste stale or bitter will be noticeable because the recipe contains so few ingredients.
- Keep the bowl dry: Water can affect melted chocolate, so use a completely dry microwave-safe bowl and spatula.
- Use the correct pan: An 8×4-inch loaf pan gives the fudge its tested thickness; a larger pan will produce thinner pieces.
Storage
I keep the fudge in an airtight container in the refrigerator for up to one week. I separate stacked layers with parchment paper so the pieces remain neat. For longer storage, I freeze the fudge for up to two months.
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Recipe
Chocolate Walnut Fudge
Ingredients
- 300 g dark chocolate - chopped, or semi-sweet chocolate chips
- 397 g sweetened condensed milk - 1 can
- 120 g walnuts - chopped
Instructions
- Line an 8×4-inch (20×10 cm) loaf pan with parchment paper, leaving enough overhang to lift out the fudge.
- Stir in 120 g walnuts, chopped, until evenly distributed. Transfer the chocolate walnut fudge mixture to the prepared pan and spread it into an even layer.
- Refrigerate for at least 2 hours, or until firm. Lift the fudge from the pan, cut it into 28 pieces, and serve.
Notes
Nutrition
Nutritional information is based on third-party calculations and should be considered an estimate only. Actual nutritional content will vary based upon brands used, measuring methods, cooking method, portion sizes, and more.
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