Cut the green peppers open and remove the cores and seeds. Cut them into strips.

Slice the onions.

Cut the tomatoes in half.

Fry the onions and peppers in butter or olive oil in a large frying pan.

Season to taste with salt and pepper.

Let them stew gently in their own juices until the peppers are soft.

Add the halved tomatoes and continue cooking until they are soft.

Taste the mixture, adding more seasoning if necessary.

Drop the eggs in whole into the tomato and pepper mixture.

Cook until the eggs are set to your liking.

Season again if necessary.

Serve immediately.