Lemon Pineapple Dessert Squares Recipe

In large bowl, mix gelatin and boiling water until gelatin is completely dissolved. In 2-cup measuring cup, mix reserved pineapple juice and enough cold water to make 2 cups. Stir into gelatin mixture. Refrigerate until thickened but not set, about 45 minutes. Stir pineapple into thickened gelatin mixture. With rubber spatula, fold in 3 cups of the whipped topping. Tear angel food cake into 1-inch pieces, placing 1/2 of the pieces in 13x9 glass baking dish. Spoon half of gelatin mixture over cake pieces, repeat layers. Cover tightly with plastic wrap; refrigerate until set, about 1 hour. Cut dessert into serving pieces; top each serving with 2 Tbsp freshly sliced strawberries and 1 Tbsp of the reserved whipped topping.