The Knox gelatin is unflavored and simply thickens or solidifies the liquid added to it. These names get even more confusing when you take into account that jelly, to most Americans, is a sweet ...

Pour black cherry gelatin mixture into pan ... bowl dissolve black cherry jello and ½ package (1 teaspoon) of Knox unflavored jello in 1 cup boiling water. Stir until completely dissolved.

We recommend choosing an unflavored gelatin that doesn't include additional sweeteners or food colorings, like this classic Knox option. While we don't expect you to know everything about gelatin ...