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Homemade Hot Fudge Sauce

Homemade hot fudge sauce made with cocoa powder, butter, and cream simmered to a glossy, deep-plum texture. In about 10 minutes, it thickens slightly into a pourable fudge topping for ice cream sundaes.
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Prep Time 10 minutes
Cook Time 4 minutes
Total Time 14 minutes
Course: Dessert
Cuisine: American
Ingredients Equipment Method Notes

Ingredients
  

Butters
  • 0.5 cup butter Use unsalted butter for best control of the final saltiness.
Cocoa base
  • 0.75 cup cocoa powder Whisk thoroughly to avoid lumps.
  • 1 cup sugar Helps the sauce thicken and turn glossy as it simmers.
Creamy fudge
  • 0.5 cup heavy cream Added slowly to keep the mixture smooth.
  • 1 tsp vanilla extract Stir in off the heat for the best flavor.
  • 0.25 tsp salt Balances the cocoa and sweetness.

Equipment

  • 1 cast iron skillet
  • 1 Dutch oven

Method
 

Melt the butter
  1. Melt the butter in a saucepan over medium-low heat until fully liquid and smooth, about 1-2 minutes, watching closely for any browning (no visual foaming or dark spots).
Dissolve cocoa and sugar
  1. Whisk in the cocoa powder and sugar until smooth and no lumps remain, 1-2 minutes at medium-low heat, using steady whisking to keep the mixture silky (no dry cocoa patches).
Combine with cream
  1. Slowly pour in the heavy cream while whisking constantly, about 30-45 seconds, until the mixture looks uniform and glossy (no streaks of dry cocoa).
Simmer to thicken
  1. Bring to a gentle simmer and cook for 3-4 minutes, stirring often, until glossy and slightly thickened (it should cling lightly to the back of a spoon).
Finish and cool slightly
  1. Remove from heat and stir in the vanilla extract and salt, 30-60 seconds, until fully incorporated and fragrant (the sauce should look smooth and dark).
Serve
  1. Let cool slightly before serving warm over ice cream, 5 minutes, so it pours thickly rather than immediately running off.

Notes

Pro tip: whisk constantly when adding the cream and keep the heat at a gentle simmer—too hot can scorch cocoa. Store leftovers covered in the refrigerator for up to 5 days and reheat gently on low until pourable. Freezing is not recommended because the sauce can separate after thawing. For a dairy-light option, use half-and-half or evaporated milk for the cream, but expect a slightly thinner texture.