Thaw strawberries in a colander. When they reach room temperature, combine them
in a large mixing bowl with the sugar, egg whites, lemon juice and dash of salt.
Beat until very stiff, about 15 to 20 minutes.
Fold the whipped cream and vanilla or almond extract into the beaten berry mixture
and pour into the prepared pie crust.
Freeze the dessert for 2 to 3 hours or until