Guacamole - cooking recipe

Ingredients

1 small onion
1 large meaty tomato
1 small chili pepper (fresh jalapeno)
8 to 10 avocados
few drops of lemon

Preparation

Chop onion very fine.
Add chopped tomato and chili.
With a fork or potato masher, mash to a pulp the ripe peeled avocados. Add salt and lemon.
Save 2 or 3 of the pits and place on top of the combined mixture to prevent darkening.