2 c. sugar
2/3 c. evaporated skimmed milk
12 reg. marshmallows
1/2 c. butter
Pinch of salt

Mix in a heavy 2 quart saucepan. Cook, stirring constantly, over medium heat and bring to a boil. (Mixture will be bubbling all over.) Boil and stir 5 minutes more. Take off heat. Stir in 1 (6 ounce) package of semi-sweet chocolate chips until completely melted. Stir in 1 cup chopped nuts and 1 teaspoon vanilla. Spread in a buttered 8 inch square pan. Cool. Cut into 30 pieces.