8 c. diced rhubarb
2 qts. water
3 c. sugar
1/2 c. lemon juice
1 (3 oz.) pkg. strawberry Jello
7-Up

Cook first 4 ingredients until tender. (Strain or use mixer to mash.) While hot add Jello. Freeze, stirring every hour. To serve, to a half a glass of slush add 1/2 glass of 7-Up.