This Watermelon Jelly Recipe is very simple and requires very little canning knowledge. (this is only my second time every canning anything.) This may not be a toast kin of jelly, But the uses for this jelly are endless. Salad dressing, on top of pancakes or waffles, Ice cream topping, Cake filling, mixed with yogurt, or on scones, biscuits or sweet rolls. and the list goes on.