Candy Bar Fudge

1/2 cup butter
1/3 cup baking cocoa
1/4 cup packed brown sugar
1/4 cup milk
3-1/2 cups confectioners' sugar
1 teaspoon vanilla extract
30 caramels, unwrapped
1 tablespoon water
2 cups salted peanuts
1/2 cup semisweet chocolate chips
1/2 cup milk chocolate chips

In a microwave-safe bowl, combine the butter, cocoa, brown sugar and milk. Microwave on high until mixture boils, about 2 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 1-1/4 minutes or until melted. Stir in peanuts; spread over chocolate layer. Microwave chocolate chips on high for 30 seconds or until melted; spread over caramel layer. Chill until firm. Makes 2-3/4 pounds.