Upside Down Pineapple Jam “Cake in a jar!” The sweet pineapple and the cherries make this a unique jam. This goes perfect in-between layers of cake, mixed with frosting to ice a cake and as ice cream topping. Pineapple is from Hawaii. Ingredients: Sugar, Pineapple, Cherries, Pectin (dextrose, fruit pectin, citric acid (assists gell) lemon juice & molasses.