Select and wash the sardines with warm water.

Drain the water. Add hot water and leave to soak for 5 to 10 minutes.

Fry the onions in a cooking pan/pot with oil then add the tomatoes and continue frying until cooked. Add salt to taste.

Add the sardines. Continue cooking while mixing/stirring to cook uniformly. Do this for about 10 minutes under moderate heat to avoid burning.

Serve with ugali and any available greens.