1 yellow cake mix. Prepare according to instructions in either layers or sheet cake form.
2 ounces unsweetened chocolate cut in small pieces
1 1/2 cups of sugar
7 tablespoons of milk
1/4 cup butter
1 tablespoon light corn syrup
1/4 teaspoon salt
Melt the chocolate and add all above ingredients. Bring to a rolling boil stirring constantly. Boil for 1 minute. Cool. Add 1 teaspoon vanilla extract. Beat until thick.
Note from my mother - â€œI like to use a 9 x 13 sheet cake pan and to increase the frosting ingredients by 50% to make a thick layer of delicious fudge icing.â€