12 oz. Nestles Toll House bits
14 oz. can sweetened condensed milk
1/2 stick butter, melted
1 c. nuts (optional)
1 tsp. vanilla

Put bits and milk and butter into Pyrex 9 x 12 inch dish. Cook 50 percent power for 4 minutes. Mix with a spatula. Add nuts. Cover and refrigerate for 3 hours.