Chocolate Fudge

3 cups sugar
3/4 cup (1 1/2 sticks) butter
2/3 cup evaporated milk
1 (12-oz.) pkg. semi-sweet chocolate chips
1 (7-oz.) jar marshmallow creme
1 cup chopped nuts
1 tsp. vanilla

Combine sugar, butter, and milk in heavy 2 1/2 quart saucepan; bring to full rolling boil, stirring constantly.  Continue boiling 5 minutes over medium heat, stirring constantly to prevent scorching.  Remove from heat; stir in chocolate pieces until melted.  Add marshmallow creme, nuts, and vanilla; beat until well blended.  Pour into greased 13 x 9-inch pan.  Cool to room temperature; cut into squares.  Makes approximately 3 lbs.