Chocolate Fudge

1 1/2 cups sugar

2/3 cup evaporated milk

8 ounces semisweet chocolate

1/2 cup marshmallow cream

1/2 cup nuts (optional)

1/4 cup unsalted butter

1/2 teaspoon vanilla

Combine sugar and evaporated milk in saucepan. Stir over medium heat until mixture comes to full boil. Boil 10 minutes over low heat, stirring frequently. Meanwhile, cut each chocolate square into 4 pieces. Add to remaining ingredients.

Quickly add boiling sugar syrup; stir until chocolate melts and mixture is smooth.

Pour into greased 8-inch square pan. Chill.