Luhya cooks add a pinch of alkaline ash or bicarbonate while boiling mrenda specifically to bring out its natural sliminess, which locals prize for making it easy to eat with ugali.
Jute mallow leaves are boiled down with a pinch of alkaline ash or bicarbonate, softening into a dark green, slightly slippery stew, sometimes mixed with other local greens or a little milk. It's an everyday side dish sold at Kakamega market food stalls alongside ugali.