1 can (20-ounce) crushed pineapple in its own juice
1 small apple, grated
1 package unflavored gelatin
1/2 cup cold water
Non-fat whipped topping
Combine crushed pineapple and unflavored gelatin in a saucepan. Allow gelatin to soften 5 minutes.
Bring to a boil, stirring to dissolve gelatin. Remove from heat. Stir in cold water.
Fold in grated apple. Chill until firm.
Top with 2 tablespoons non-fat whipped topping to serve.