12 oz. pkg. semi-sweet chocolate chips
12 oz. can sweetened condensed milk
2 tbsp butter
2 c. dry roasted peanuts
10 1/2 oz. pkg. miniature marshmallows

Melt chocolate chips with butter in top of double boiler. Combine nuts and marshmallows. Fold in chocolate mixture. Spread in waxed paper lined 9x13 pan. Chill 2 hours. Remove from pan. Peel off wax paper. Cut into squares. Cover and store at room temperature.