My manager at work, who knows I like to try new treat recipes, shared this one with me. I've made this chewy and chocolaty fudge many times since. Packed with nuts and caramel, it's like a candy bar. Everyone who's tried it loves it. —Lois Freeman, Oxford, Michigan
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 dish.
In another microwave-safe bowl, heat caramels and water on high until melted, about 75 seconds. Stir in peanuts; spread over chocolate layer. Microwave chocolate chips on high until melted, about 30 seconds; spread over caramel layer. Chill until firm. Cut into 1-in. squares.