1 can (1 2/3 c.) evaporated milk
2 tbsp. butter
4 1/2 c. sugar
1 (12 oz.) pkg. semi-sweet chocolate pieces
3 (4 oz. each) bars sweet cooking chocolate
Dash of salt
1 pt. marshmallow cream
2 c. chopped nuts

Combine milk, butter, sugar and salt. Bring to a vigorous boil, stirring often, then reduce heat and simmer 6 minutes. Meanwhile, place remaining ingredients (except nuts) in large bowl. Gradually pour boiling syrup over mixture and beat until chocolate is melted. Stir in nuts and pour into buttered pan. Store in cool place to harden.