1. Remove the core from the tomato and cut it into thick slices

2. Saute them on both sides in oil in which I have placed a clove garlic and break in each slice the egg white and stir.

3. Add the yolk and a piece of butter on top.

4. When it is cooked to our liking, we take it down and sprinkle it with chopped spring onion

and salt and pepper.