Raspberry Delight

1 LARGE package (6 oz. size) raspberry flavored Jell-O
1-1/2 cups boiling water
1 pkg. (10 oz.) frozen raspberries, thawed and mashed
1 pint (2 cups) vanilla ice cream

Dissolve Jell-O in boiling water in medium bowl. Add the raspberries. Mix in ice cream until dissolved. Chill until firm in 9 x 13 inch dish. Top each serving with whipped cream, or topping.