Strawberry Salad

Drain No. 2 can crushed pineapple. Use this juice and add enough water to make 2 cups. Heat. Dissolve 2 small pkgs. strawberry jello. Stir in 2 pkgs. 10 oz. frozen strawberries (thawed slightly). Add 3 mashed bananas and the pineapple. Place half of mixture in bowl. Set in refrigerator for about 30 min. Keep remaining half at room temperature. When first half is set, spread carton of sour cream on top. Pour rest of jello on top. Return to refrigerator.