1 (3 oz.) pkg. strawberry Jello
1 c. boiling water
2 tbsp. lemon juice
3/4 c. mayonnaise
1 sm. can crushed pineapple
1 c. sm. watermelon balls
1/2 c. cold water
1/4 pkg. unflavored gelatin (optional)

Mix Jello and gelatin with boiling water. Add cold water and chill just until Jello begins to set. Add lemon juice and mayonnaise and whip until fluffy. Add pineapple with juice and melon balls. Chill until set.