1 c. flour
1 c. pecans
1 stick butter
1 sm. Cool Whip
1 (8 oz.) pkg. cream cheese
3/4 c. sugar
1 tsp. vanilla

Mix flour, pecans, and butter and press in a square pan. Bake at 350 degrees for 10-15 minutes, then cool. Mix Cool Whip, cream cheese, sugar, and vanilla and put on top of first layer, chill. Top with a can of blueberry pie filling, refrigerate.