1 (10 oz.) frozen strawberries
1 c. sugar
2 egg whites
1 tsp. lemon juice
1/8 tsp. salt
1 tsp. vanilla
1 sm. carton whipped topping
2 (9 in.) crumb crust pie shells

Combine thawed berries, sugar, egg whites, lemon juice and salt. Put this in a large mixer bowl, and whip for 15 minutes. Add vanilla; fold whipped topping into mixture. Put into pie shells. Freeze. Top with more berries, if desired.