2 envelopes unflavored gelatin
1 grapefruit, peeled and sectioned
1 c. boiling water
1 c. diet ginger ale
1/2 c. lemon juice
2 envelopes Sweet'N Low
4 tsp. vinegar
1/2 tsp. salt
2 c. shredded cabbage

Soften gelatin in lemon juice. Add boiling water stirring to dissolve gelatin. Add diet ginger ale, Sweet'N Low, vinegar and salt. Let chill. When it begins to thicken, fold in grapefruit and cabbage.