This chocolate simmering sauce is a velvety, pourable sauce made from cocoa, sugar, and cream that you gently simmer on the stovetop until thick and glossy. It’s the perfect topping for ice cream, pound cake, or fresh fruit, and it stays smooth when chilled, unlike many quick fudge sauces. The slow simmer concentrates the chocolate flavor and creates a luxurious texture that coats the back of a spoon—far better than anything from a jar.
Ingredients
- 1 cup (200 g) granulated sugar
- 1/2 cup (50 g) unsweetened cocoa powder (natural or Dutch-process)
- 1/4 teaspoon fine salt
- 1 cup (240 ml) heavy cream (or full-fat coconut milk for dairy-free)
- 1/2 cup (120 ml) water
- 2 tablespoons (30 g) unsalted butter, cut into small pieces
- 1 teaspoon vanilla extract
- 2 oz (57 g) semisweet or bittersweet chocolate, finely chopped (optional, for extra richness)
Instructions
- In a medium saucepan (about 2-quart capacity), whisk together the sugar, cocoa powder, and salt until no lumps remain.
- Pour in the heavy cream and water, and whisk until the dry ingredients are fully moistened. Place the saucepan over medium heat.
- Bring the mixture to a gentle simmer, stirring frequently with a heatproof spatula or whisk. Do not let it boil vigorously, as the cream can curdle.
- Reduce the heat to low and let the sauce simmer gently, uncovered, for 15–20 minutes, stirring every few minutes. It will thicken slightly and become glossy. To test, dip a spoon: the sauce should coat the back of the spoon and leave a clear line when you run your finger through it.
- Remove the pan from the heat. Stir in the butter pieces until melted and fully incorporated. If using chopped chocolate, add it now and stir until smooth.
- Stir in the vanilla extract. The sauce will look thin at this point—it will thicken more as it cools.
- Let the sauce cool for 10 minutes in the pan, then transfer to a heatproof jar or bowl. Serve warm, or cool completely and refrigerate.
Tips
- Use good cocoa: Dutch-processed cocoa gives a deeper, less acidic flavor, while natural cocoa yields a brighter chocolate taste. Either works, but avoid “hot cocoa mix” which contains sugar and milk powder.
- Stir often: The sugar can scorch on the bottom if you walk away. Stir every 2–3 minutes, reaching the corners of the pan.
- Adjust thickness: If the sauce is too thin after cooling, simmer it 5 more minutes. If it’s too thick, whisk in a tablespoon of warm water or milk.
- Don’t boil hard: A vigorous boil can cause the cream to separate, leaving a grainy texture. Keep it at a gentle simmer.
Serving Suggestions
Drizzle warm over vanilla ice cream, brownies, or bread pudding. Use as a dip for fresh strawberries, pretzels, or churros. It also makes a great filling for crepes or a topping for cheesecake.
Variations
- Mint chocolate: Add 1/4 teaspoon peppermint extract along with the vanilla.
- Spiced: Add 1/2 teaspoon ground cinnamon and a pinch of cayenne with the dry ingredients.
- Mocha: Replace the water with strong brewed coffee.
- Dairy-free: Use full-fat coconut milk instead of cream and a vegan butter substitute. The sauce will have a slight coconut flavor.
- Extra dark: Use dark cocoa powder and skip the added chocolate for a more intense, less sweet sauce.
Storage and Reheating
Store the sauce in an airtight container in the refrigerator for up to 2 weeks. The sauce will firm up when cold; reheat gently in a saucepan over low heat or in the microwave in 15-second bursts, stirring between each, until pourable. If it seems too thick, whisk in a splash of water or milk. You can also freeze the sauce in a freezer-safe container for up to 3 months; thaw overnight in the fridge before reheating.
Frequently Asked Questions
Can I use milk instead of cream? Yes, but the sauce will be thinner and less rich. Use whole milk and expect a slightly longer simmer time to thicken. The result will be more like a syrup than a fudge sauce.
Why did my sauce turn grainy? Graininess usually happens when the sugar isn’t fully dissolved or the cream curdles from boiling too hard. Always whisk the dry ingredients well, and keep the heat low after the initial simmer. If it happens, you can try blending the sauce with an immersion blender to smooth it out, though it won’t be perfect.
Can I make this without butter? Yes, the butter adds shine and richness, but you can omit it. The sauce will be slightly less glossy and may set a bit firmer when cold. Add an extra tablespoon of cream to compensate.
Is this the same as hot fudge? It’s similar, but hot fudge typically uses more chocolate and less water, making it thicker and more decadent. This sauce is a bit lighter and more pourable, ideal for drizzling.
Can I double the recipe? Absolutely. Use a larger pot (3–4 quart) and increase the simmer time by 5–10 minutes. Store the extra in the fridge.
Why is my sauce too thin? It may not have simmered long enough. Return it to the stove and simmer for another 5–10 minutes, stirring constantly. Remember it will thicken more as it cools, so don’t over-reduce it.
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Safety notes: safe minimum internal temperatures from USDA FSIS; raw and undercooked fish guidance from the U.S. FDA. Food safety notes
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