4 avocados (Get the small ugly hass avocados. The pretty big green ones taste like water) 1/2 teaspoon of garlic salt (or to taste) 2 tablespoons of mayonnaise 2 tablespoons of finely diced red onion 1/4 cup chopped tomato Halve and pit the avocados. Scoop out the flesh with a tablespoon into a mixing bowl. Mash the…