4 envelopes unflavored gelatin
2 cups boiling water
2 (6 oz.) cans frozen grape, black cherry, or red tropical fruit punch concentrate - unthawed

In large bowl, mix gelatin and boiling water. Stir until dissolved. Add concentrate and stir until melted. Pour into 11 X 7 X 1 1/2 glass pan. Chill until firm. Cut into squares to serve.