My uncle brought this rich dessert to our spring party and it vanished. Just 3 ingredients for the deepest dark chocolate treat imaginable.

This slow cooker 3-ingredient stout beer fudge is the kind of dessert that disappears from the table before you’ve even set out the coffee. It leans into the deep, roasty notes of a good stout to intensify dark chocolate, giving you a dense, velvety fudge with a glossy sheen and just a whisper of malt. Using the slow cooker as a gentle water bath keeps everything hands-off and nearly foolproof, which is why it’s become my go-to when I need a rich dessert for a spring gathering and don’t want to fuss with candy thermometers.

Serve the fudge in small squares on a platter, as it’s quite rich. It pairs beautifully with hot coffee, espresso, or a glass of cold milk. For adults, try it with a small pour of the same stout you used in the recipe or a smooth port. Fresh berries on the side help cut through the richness, and a little dish of flaky sea salt at the table lets guests sprinkle a pinch over their piece if they like that sweet-salty contrast.

Servings: 36 small squares

2 cups stout beer (such as Guinness or another dark stout)

Line an 8x8-inch or 9x9-inch baking pan with aluminum foil, letting the foil overhang on two sides to create handles. Smooth the foil into the corners, then lightly coat with nonstick spray or a thin film of neutral oil. Set aside.

Pour the stout beer into a small saucepan and set over medium heat. Bring just to a simmer, then reduce the heat to maintain a gentle simmer. Cook, stirring occasionally, until the beer is reduced to about 1/2 cup and has a syrupy consistency, 20–30 minutes. Keep an eye on it near the end so it doesn’t scorch. Remove from heat and let cool slightly while you set up the slow cooker.

Fill your slow cooker insert halfway with hot tap water. Set it to LOW. Place a heatproof mixing bowl that fits partially down into the slow cooker (without the bottom touching the insert) on top so it sits like a double boiler, with the bottom of the bowl surrounded by hot water and the rim resting on the slow cooker edges. The lid will stay off during cooking.

Add the dark chocolate and sweetened condensed milk to the heatproof bowl. Let the mixture warm for 10–15 minutes, then stir slowly with a heatproof spatula. Continue heating on LOW, stirring every 5–10 minutes, until the chocolate is completely melted and the mixture is thick, smooth, and glossy, 25–35 minutes total. The slow cooker’s gentle, even heat helps prevent scorching and graininess.

Once the chocolate mixture is fully melted and smooth, pour in the warm reduced stout. Stir thoroughly, scraping down the sides and bottom of the bowl, until the beer syrup is fully incorporated and the fudge base looks uniformly dark, velvety, and shiny. This step builds that deep roasted malt flavor throughout the fudge.

Carefully lift the bowl out of the slow cooker. Immediately pour the fudge mixture into the prepared foil-lined pan. Use a spatula to spread it into an even layer, smoothing the top as much as possible. Tap the pan firmly on the counter a few times to knock out any air bubbles and help the surface settle into a dense, even slab.

Let the pan stand at room temperature until it cools to lukewarm, then transfer to the refrigerator. Chill, uncovered, until the fudge is fully set and firm to the touch, at least 3–4 hours or overnight. The texture should be dense, sliceable, and smooth with a subtle glossy sheen.

Once chilled and set, lift the fudge out of the pan using the foil overhang. Peel back the foil from the sides. Using a long, sharp knife, cut the fudge into small squares—start with 6 by 6 for about 36 pieces. For the cleanest edges, wipe the knife with a warm, damp cloth between cuts. Arrange on a platter and keep chilled until serving; the fudge can sit at room temperature for a party but will soften slightly as it warms.

Store any leftover fudge in an airtight container, layered between sheets of parchment or wax paper, in the refrigerator for up to 2 weeks. For the best texture and flavor, let pieces sit at room temperature for about 10 minutes before serving so the chocolate softens just enough to taste extra velvety.

Use these variations to tailor the fudge to your crowd while keeping the 3-ingredient concept intact. Stout choice: Swap in different stouts for nuance—an oatmeal stout will be softer and rounder, while a coffee stout will underline the roasted notes and make the chocolate taste even deeper. Chocolate percentage: If you prefer a slightly sweeter fudge, use a mix of 2 cups semisweet chocolate and 1 cup dark chocolate; for a bolder, more intense square, go with all 70% dark chocolate. Beer intensity: If you want just a hint of stout, stop reducing the beer at about 3/4 cup and use that instead of the full reduction; the flavor will be subtler and a bit less malty. Texture tweak: For a firmer, candy-shop style fudge, refrigerate overnight before cutting; for a softer, truffle-like bite, let the pan sit at room temperature 20–30 minutes before slicing. Presentation ideas: Just before serving, you can lightly dust the tops with unsweetened cocoa powder or very finely ground espresso (still keeping to the same base recipe) for a more dramatic look. If you’d like a sweet-salty contrast without adding another true ingredient, set out a tiny bowl of flaky salt on the side and let guests sprinkle their own. Make-ahead tip: This fudge keeps beautifully, so you can make it several days before a party—just keep it tightly covered in the fridge and slice the day you plan to serve so the edges stay neat and glossy.