Zesty Lemon Squares

• 1 cup all-purpose flour
• 14 cup granulated sugar
• 14 cup margarine, softened
• 2 tablespoons low-fat plain yogurt
• 34 cup sugar
• 2 tablespoons flour
• 14 teaspoon baking powder
• 14 teaspoon salt
• 1 egg
• 1 egg white
• 1 lemon, rind of, grated
• 14 cup lemon juice
• 2 teaspoons icing sugar

1. Combine flour, sugar, margarine and yogurt in food processor or blender.
2. Press evenly into lightly-greased 8-inch-square cake pan.
3. Bake at 325 for 25 minutes or until golden.
4. TOPPING: Combine sugar, flour, baking powder, salt, egg, egg white and lemon juice and rind in a food processor or bowl.
5. Mix well.
6. Pour topping over base and bake an additional 35 minutes or until top is set.
7. Sift icing sugar over top when cool.

flour, sugar, margarine, lowfat plain yogurt, sugar, flour, baking powder, salt, egg, egg, lemon, lemon juice, icing sugar

Taken from www.food.com/recipe/zesty-lemon-squares-3353 (may not work)