- 1 (.25 ounce) envelope unflavored gelatin
- 1/4 cup water
- 1 1/2 cups apple juice
- 1 cup halved seedless red grapes
- 1 cup diced apple
- 1/4 cup diced celery
- Sprinkle gelatin over the water in a small saucepan; allow to soften for 5 minutes. Cook and stir over low heat until gelatin fully dissolves, about 2 minutes. Remove from heat and stir in the apple juice; Transfer to a bowl and chill until the mixture begins to thicken, about 20 minutes.
- Mix the grapes, apple, and celery into the gelatin mixture and pour into a 4-cup mold; chill until set, about 2 hours.