3 c. milk, chocolate chips
1 can sweetened condensed milk
1/4 stick butter
1 c. walnuts

Put first 3 ingredients in microwave safe bowl and cook at 50% power for 5 minutes, stirring 3 times. Fold in walnuts and pour into a greased (or Pam sprayed) pan (8 x 8). Refrigerate until firm. Slice into squares.