2 c. semi-sweet chocolate bits
1/2 lb. sweet cooking chocolate
6-7 tbsp. marshmallow or peanut butter
2 c. broken English walnuts (optional)
4 1/2 c. sugar
Pinch of salt
2 tbsp. butter
1 tall can evaporated milk

Combine semi-sweet chocolate pieces, sweet cooking chocolate, marshmallow, and walnuts in large bowl. Combine sugar, butter, and milk in large, heavy saucepan. Heat to boiling, stirring constantly; boil 7 minutes, stirring often. Pour at once over chocolate mixture in bowl. Stir vigorously with a wooden spoon until chocolate is melted and texture is creamy. Pour into buttered, shallow pan, 13 x 9 x 2 inch; let stand a few hours to set. Cut into squares. Store in tightly covered metal box.