3/4 cup evaporated milk 1 2/3 cups granulated sugar 1/2 tsp. salt 1/2 cup diced marshmallows 1 1/2 cups semi-sweet chocolate chips 1 tsp. vanilla 1/2 cup walnuts 1/2 cup coconut Mix evaporated milk, sugar and salt in a two quart casserole. Microwave on high 2-3 minutes until boiling; stir. Microwave on high for 5 minutes longer. Add remaining ingredients and pour into a 9 inch square pan. Cool.