1 (0.3 oz.) pkg. sugar free strawberry flavored gelatin
3/4 c. boiling water
1 (10 oz.) pkg. frozen unsweetened strawberries, partially thawed
1 (8 1/4 oz.) can crushed pineapple, undrained
1 med. banana, mashed
Vegetable cooking spray
1 c. plain yogurt

1. Dissolve gelatin in boiling water in large mixing bowl, stirring well. Chill until mixture is the consistency of unbeaten egg white.

2. Fold strawberries, pineapple and banana into gelatin mixture. Pour half of mixture into 13 x 9 x 2 inch baking dish coated with cooking spray; chill until firm. Store remaining mixture at room temperature.

3. Spread yogurt evenly over congealed layer. Pour remaining gelatin mixture over yogurt.