If your fudge hasn't set, you need to re-heat and re-beat it. Here's how:u003cbr/u003eu003cbr/u003e1. Scrape the fudge back into a heavy-bottomed saucepan. Add in 3-4 tablespoons of evaporated milk (you'll have some leftover from the recipe.u003cbr/u003eu003cbr/u003e2. Heat the fudge down until it becomes a syrup and bring it to a boil. Allow it to boil until it reaches 234-237 degrees Fahrenheit.u003cbr/u003eu003cbr/u003e3. Once it's reached the correct temperature, remove it from the heat and let it cool to 110-113 degrees Fahrenheit.u003cbr/u003eOnce cooled, beat the fudge for 5-10 minutes with a wooden spoon or 2-3 minutes with an electric mixer until the mixture becomes dull or loses its sheen.u003cbr/u003eu003cbr/u003e4. Pour the fudge into a prepared pan and allow it to set in the fridge for 2-3 hours.u003cbr/u003eu003cbr/u003eIf the fudge still doesn't set after you've melted it down again, you can always use it as a delicious hot fudge sauce or dip for fruit!