Sister Wirthlin's Strawberry Squares

1 cup flour
¼ cup brown sugar
1 square butter, melted
½ cup chopped nuts
Mix the above ingredients all together on cookie sheet- bake at 350 degrees for 20 minutes or until light brown.
2 egg whites
2 Tbsp lemon juice
1 carton frozen strawberries, thawed
1 cup sugar
Whisk egg whites until peaks form and fold in remaining ingredients. Add 1 cup of whipped cream already whipped. Sprinkle a baking dish (9 x 13) with 2/3 of already made crust and then spread strawberry whipped filling over crumbs. Sprinkle remaining crust on top of strawberry mixture and then freeze.