1/2 c Butter or margarine
1/3 c Baking cocoa
1/4 c Packed brown sugar
1/4 c Milk
3 1/2 c Confectioners' sugar
1 ts Vanilla extract
30 Caramels, unwrapped
1 tb Water
2 c Salted peanuts
1/2 c Semisweet chocolate chips
1/2 c Milk chocolate chips

In a microwave-safe bowl, combine the butter, cocoa, brown sugar and milk. Microwave on high until mixture boils, about 3 minutes. Stir in confectioners' sugar and vanilla. Pour into a greased 8-in. square baking pan. In another microwave-safe bowl, heat caramels and water on high for 2 minutes or until melted. Stir in peanuts; spread over chocolate layer. Microwave chocolate chips on high for 1 minute or until melted; spread over caramel layer. Chill until firm.