1/2 c. butter, softened
1 c. flour
1/4 c. brown sugar
1/2 c. chopped nuts

Mix and spread in 9 x 13 inch pan. Bake 20 minutes at 350 degrees, stirring occasionally. This should be light brown and crumbly. Take out 1/3 of mixture and save for topping.

Combine in LARGE bowl: 2 egg whites, 1 cup sugar, 1 pound frozen strawberries and 2 tablespoons lemon juice. Beat on medium speed for 20 minutes. Fold in 1 cup cream (whipped) or use Cool Whip. Spread over crumb mixture in pan. Sprinkle reserved crumbs over top. Freeze. Cut in squares to serve.