Cut avocado in half long ways moving around the seed

Remove seed and scoop out avocado meat into a small mixing bowl

Using a fork smash up the meat of the avocado I prefer using a fork so I have control over consistency

Carefully skin both roma tomatoes and slice into small pieces and add to mixture

Slice serrano pepper into small pieces an ad to mixture

Slice onion into small pieces and add to mixture

Add tablespoon of salsa to mixture. I generally use pace picante sauce medium

If using the optional cilantro leaves add now to the mixture

Add lime or lemon juice, I prefer lime

Add salt and mix up the entire bowl

Chill and then serve