Lemon Jello Cake
["1/2 c. fresh lemon juice (about 3 lemons)", "2 tsp. grated lemon rind", "1 1/2 c. pineapple juice", "1/4 c. applesauce", "1 1/2 c. powdered sugar", "1 pkg. yellow cake mix", "8 egg whites", "1 small pkg. lemon Jell-O"]
["Preheat oven to 350\u00b0.", "Coat an 8 1/2 x 11-inch pan with vegetable oil spray.", "Simmer pineapple juice until it's reduced to 3/4 cup.", "Mix applesauce and egg whites in a large bowl.", "Stir in lemon rind, Jell-O and cake mix.", "Slowly add pineapple juice; beat for 5 minutes.", "Pour into greased pan and bake for 30 to 40 minutes.", "Mix lemon juice and powdered sugar and pour over hot cake."]
["lemon juice", "lemon rind", "pineapple juice", "applesauce", "powdered sugar", "yellow cake mix", "egg whites", "lemon Jell-O"]