12 oz. chocolate chips (milk, semi-sweet, mint)
2/3 c. sweetened condensed milk (1/2 can)
1 tbsp. water
1 tsp. vanilla

Melt chips over hot water (in top of double boiler). Remove from hot water. Add condensed milk, water and vanilla; stir until smooth. Pour into greased 10x5x3 inch pan. Chill until firm. Cut into squares.