1 c. flour
1/2 c. chopped pecans
1/4 c. brown sugar
1/2 tsp. melted butter

Stir all of above ingredients together. Spread evenly in 9x13x2-inch pan. Bake at 350 degrees for 20 minutes. Stir occasionally. Cool. sprinkle 2/3 of the mixture evenly in the bottom of the pan. Reserve 1/3 for later.

2 egg whites
3/4 c. sugar
2 tbsp. lemon juice
10 oz. frozen strawberries

Beat at low speed until mixture begins to thicken, then at high speed until stiff (10-12 minutes). Fold in 14 1/2-ounce Cool Whip. Spoon over crumb mixture. Sprinkle with reserved crumbs. Freeze for 6 hours or overnight. Cut into squares. Serves 12-15.