Ingredients

1 large avocado (6 – 7 ounces after removing the peel and seed)
Heaping ¼ teaspoon kosher salt, or to taste
2 teaspoons lime juice, or to taste
3 tablespoons finely chopped onion, rinsed in cold water and dried
1 serrano chile, stem and seeds removed and finely chopped
3 tablespoons finely chopped Roma tomato
2 tablespoons finely chopped cilantro

Instructions

Cut the avocado in half lengthwise, remove the seed, and scoop the flesh into a molcjete or large mortar and pestle. Add the salt and lime juice, and mash to the desired texture. Add the remaing ingredients and mix with a large spoon.