Tart Lemon Squares

• 1 c. flour
• 1/3 c. sifted powdered sugar
• 1/4 c. plus 1 Tbsp. chilled margarine, cut into small pieces
• vegetable cooking spray
• 1 c. sugar
• 2 Tbsp. flour
• 1 1/2 tsp. grated lemon rind
• 1/2 tsp. baking powder
• 1/4 tsp. salt
• 3 egg whites
• 1 egg
• 7 Tbsp. fresh lemon juice
• 1/4 tsp. butter flavoring
• 2 Tbsp. powdered sugar

1. Combine 1 c. flour and 1/3 c. powdered sugar in a bowl; cut in margarine with a pastry blender until mixture resembles coarse meal.
2. Press mixture firmly and evenly into the bottom of an 11 x 7 baking dish coated with cooking spray.
3. Bake at 350u0b0 for 20 minutes or until lightly browned.

flour, powdered sugar, chilled margarine, vegetable cooking spray, sugar, flour, lemon rind, baking powder, salt, egg whites, egg, lemon juice, butter, powdered sugar

Taken from www.cookbooks.com/Recipe-Details.aspx?id=47015 (may not work)