To make an easy chocolate fudge, microwave 3 cups semi-sweet chocolate chips, one can sweetened condensed milk and 1/4 cup butter for about three to five minutes until chocolate is melted. Then, pour it into a greased 8-by-8-inch pan and refrigerate. If preferred, stir in walnuts before refrigerating.
For a more traditional style fudge that does not use condensed milk, more time and materials are needed. Mix together 2 cups white sugar, 1/4 cup cocoa powder, 1/2 teaspoon salt and 1 cup of milk in a saucepan and heat over medium-low heat until boiling. After 10 minutes, check whether the fudge is done using a candy thermometer to see when the fudge reaches 235 degrees Fahrenheit. Another method is to drizzle a little bit of the fudge into a cup of ice water, and if it forms a soft ball it is done.
Once the fudge is done, remove from the heat and stir in 2 tablespoons of butter and 2 teaspoons of vanilla. Place the pan of fudge in a sink filled with cold water, and beat the mixture with a wooden spoon until cool. Spread the fudge into a buttered glass pan, and let sit at least 30 minutes at room temperature before cutting.