Banana Whip

1 (4 ounce) box sugar free Jell-O, any flavor
3/4 cup boiling water
1/2 cup cold whole milk
Ice cubes
1 medium banana, sliced

Combine gelatin and boiling water in a blender. Blend until dissolved, about 30 seconds. Add milk and ice cubes to make 1 1/4 cups. Stir in blender until partially melted. Add banana slices; blend until smooth.