Serve these lemon squares with green tea for a perfect afternoon treat.
Preheat oven to 350 degrees. Spray a 9 x 13 pan with nonstick spray. In a large mixing bowl, combine cake mix, egg substitute, oil, lemon juice and water. Pour into prepared pan. In another mixing bowl, whisk together ricotta cheese, sour cream, eggs, sugar and lemon zest. Pour over batter in pan. Bake 55-65 minutes until browned around the edges. Cool 4 hours in refrigerator. Sprinkle with powdered sugar.
Makes 36 lemon bars.
Per lemon bar: 119 calories, 5 g fat (1 g saturated), 22 mg cholesterol, 15 g carbohydrate, 0 g fiber, 3 g protein, 2% Vitamin A, 1% Vitamin C, 6% calcium, 2% iron