1 big pkg. Jello
8 oz. frozen strawberries & juice
1 mashed banana
1 bag colored mini marshmallows
1 1/2 c. cold water
1 1/2 c. boiling water
1 c. sour cream

Mix first 5 ingredients. Put half in oblong pan. Let set in refrigerator. Spread on sour cream. Pour rest of mixture on top and then put marshmallows on top. Set.