Use plain kefir so you can customize a new overnight ... making this a great option for anyone who likes to meal prep. Try ...

Learn more about kefir here. Recipe reprinted from Cultured Food in a Jarby Donna Schwenk (Hay House).

If replacing the kefir with plain yoghurt, you may need to thin it out with a bit of water. Basic plain yoghurt is better than thicker Greek-style yoghurt or strained yoghurt.