This chocolate walnut fudge combines a smooth dark chocolate base with plenty of chopped walnuts for crunch in every square. Made with just three ingredients, it needs only 1-1½ minutes of microwave heating before chilling in the refrigerator until firm enough to slice.

Why You'll Love This Chocolate Walnut Fudge
- Plenty of walnuts: Chopped pieces add a nutty bite throughout the chocolate mixture.
- No candy thermometer: The chocolate and condensed milk melt together in the microwave, with no cooked-sugar stage.
- A batch for sharing: One loaf pan makes 28 small pieces for a candy plate, gift box, or after-dinner treat.
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 the smooth chocolate and crunchy nuts. That memory comes back whenever I make it at home. Like my Snickers brownies and chocolate biscuit cake, it's a chocolate treat with plenty of texture, and I enjoy making it for holidays and gifting.
The dark chocolate gives this fudge a deeper flavor, while the condensed milk sweetens it and brings the mixture together. The walnuts are folded in after melting so they stay distributed through the thick base. Unlike my Hershey's cocoa fudge, this version doesn't need a longer stovetop process. Its melting method is closer to chocolate bark, although the condensed milk gives it a softer texture.

Key Ingredients in Chocolate Walnut Fudge
The exact measurements are in the recipe card below. Each ingredient contributes something different to the finished fudge:
- Dark chocolate: Provides a deep chocolate flavor that balances the sweetened condensed milk and helps the fudge become firm as it chills.
- Sweetened condensed milk: Adds sweetness and creates the smooth, dense base that holds the chopped walnuts. Use sweetened condensed milk, not evaporated milk.
- Walnuts: Add a nutty flavor and a crisp contrast to the chocolate. A mixture of smaller and slightly larger pieces gives the squares a more varied texture.
How to Make Chocolate Walnut Fudge
You'll find the complete printable recipe below. Here's a quick overview of the method.

1. Prepare and melt: Line the loaf pan with parchment paper. Microwave the chopped chocolate and condensed milk in short intervals, stirring between each one until smooth and glossy.
2. Fold in the walnuts: Stir the chopped walnuts through the chocolate mixture, scraping around the bowl so they are evenly distributed.
3. Spread in the pan: Transfer the mixture to the lined loaf pan and smooth it into an even layer.
4. Chill and slice: Refrigerate until firm, lift the fudge out using the parchment paper, and cut into small pieces.
Helpful Swaps
- Semisweet chocolate chips: Use these in place of chopped dark chocolate for a slightly sweeter version.
- Milk chocolate: This gives a sweeter fudge and can produce a softer texture.
- Different nuts: Pecans or hazelnuts can replace the walnuts for a different nut flavor.
Tips for Chocolate Walnut Fudge
- Taste the walnuts first: Stale or bitter walnuts will be noticeable in a recipe with only three ingredients.
- Keep the walnut pieces varied: Chop them small enough to distribute easily, but leave a few larger pieces for a more noticeable crunch.
- Stir before heating again: Mix thoroughly after each microwave interval and stop once the base is smooth, rather than continuing to heat it unnecessarily.
- Use the specified pan: An 8×4-inch loaf pan gives the intended thickness. A larger pan spreads the same mixture into a thinner layer.

Storage
Keep the fudge in an airtight container in the refrigerator for up to 1 week. Place parchment paper between stacked layers to keep the pieces separate. For longer storage, freeze for up to 2 months.
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Recipe

Chocolate Walnut Fudge
Ingredients
- 300 g dark chocolate - chopped
- 397 g sweetened condensed milk - 1 can
- 150 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 150 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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