4 env. Knox unflavored gelatin
1 c. cold skim milk
1 1/2 c. coffee, heated to boiling
1 1/2 tsp. Sweet N Low (6 packets)
1 1/2 tsp. vanilla extract
3 tbsp. semi-sweet chocolate chips

In medium bowl, sprinkle Knox over cold milk; let stand 1 minute. Add hot coffee and stir until gelatin is completely dissolved; add remaining ingredients, stirring until chocolate is melted. Pour into 8 or 9 inch baking pan and chill until firm. To serve, cut into 1 inch squares. Makes about 6 dozen squares.