Jello layered in a candy jar or trifle bowl: It took the creator three days of watching each layer set in his fridge, but the effect is worth it. He was ready with his blue and red Jello to layer in his large candy jar. But what about the white? He found white Hazelnut gelatin. Add shredded coconut, raspberries and blueberries on top and you've got a grand old flag.