Baked Lemon Pudding(Low-Fat, Low Sugar)  
["2 egg yolks", "1 c. skim milk", "1/2 tsp. grated lemon rind", "3 Tbsp. fresh lemon juice", "1/2 Tbsp. margarine, melted", "2/3 c. sugar, divided", "1/2 c. plus 1 Tbsp. flour", "1/4 tsp. baking powder", "1/8 tsp. salt", "2 egg whites (room temperature)"]
["You will need vegetable cooking spray."]
["egg yolks", "milk", "lemon rind", "lemon juice", "margarine", "sugar", "flour", "baking powder", "salt", "egg whites"]