1 15 oz. can sweetened condensed milk (Eagle Brand), 1 12 oz. pkg chocolate chips, 1 tsp. vanilla, 1 cup nuts (optional)
Heat the condensed milk until warm and just starts to bubble, add chocolate chips and vanilla. Stir until smooth. Add nuts and spread into 8-9 inch glass pan that has been greased with margarine or butter. Refrigerate and cut into squares when firm.