Fixing Soft or Grainy Fudge
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A professional pastry chef, cookbook author, and writer, Elizabeth LaBau has published more than 600 articles on baking and candy making.
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Updated on 01/5/20
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If you're having trouble with your fudge, you're probably following a recipe for old-fashioned fudge—candy cooked to a specific temperature, cooled, then beaten until thick. Old-fashioned fudge can be fussy, especially on your first or second attempt. Some home cooks complain that their fudge is grainy, crumbly, or burnt while others complain that their fudge never sets properly. If you've encountered one of these problems, don't worry—you can probably save your fudge.
None of the following solutions or tips applies to the so-called quick fudge that involves marshmallow fluff or condensed milk. In fact, if you're nervous about trying to make old-fashioned fudge again, you should start with one of those foolproof recipes.
Fixing Fudge
Sometimes old-fashioned fudge never sets, even after hours in the refrigerator. You wait patiently, only to discover that it's still a sticky, gummy mess. But don't despair or throw out the entire pan of fudge: You can probably remedy the situation.
Fudge usually behaves this way when it's not cooked to a high enough temperature (due to oversight or a faulty candy thermometer).
If your fudge is tough, hard, or grainy, then you may have made one of several mistakes: You may have overcooked it, beaten it too long, or neglected to cool it to the proper temperature. Don't throw out the whole pan, because you may be able to melt the fudge down and try again. Of course, if your fudge has a distinctly burnt or scorched flavor, you'll have to start over with a fresh batch.
To fix soft fudge or hard fudge, simply follow these easy steps:
- Scrape the fudge back into a large saucepan and add 1 1/2 cups of water.
- Stir the fudge over low heat until it dissolves. Carefully taste the mixture, as the water probably diluted the flavor. Add more flavorings if necessary.
- Increase the heat to medium and bring it to a boil, washing down the sides of the pan frequently with a wet pastry brush to prevent sugar crystals from forming. Do not stir the fudge.
- Cook it to the proper temperature specified in the recipe (most likely between 237 F and 239 F).
- Take it off the heat, and follow the recipe's instructions for cooling and beatingthe fudge. As you beat the candy, remember that the mixture should lose its sheen and thicken before you pour it into the pan.
Tips for Fudge Makers
- Before you make another batch of fudge, it's a good idea to test your candy thermometer. Place it in boiling water to make sure that it registers 212F. If it doesn't, you should calibrate it or invest in a new one. Many people overcook fudge because of faulty or broken thermometers.
- Once the sugar has dissolved and the mixture has come to a boil, do not stir it. If you do, the sugar can crystallize, giving your fudge a gritty texture.
- As you beat the fudge, pay attention to color and texture. Once the fudge loses its sheen and thickens, put down your spoon. If you continue to beat the fudge, it will go from “perfect” to “rock hard” in minutes.
- If you're making a lighter fudge that doesn't involve any chocolate, you might notice that the recooked batch has a darker, brownish color, thanks to caramelized sugar crystals. This change may alarm you, but the fudge should still have a lovely, mellow flavor and silky texture.