Gather your mise en place; get together all of the equipment needed for the recipe and gather your ingredients.

Remove the husk from the tomatillos, and chop them into quarters.

Peel the onion and Food cut into small blocks or squares. Make sure they are all roughly the same size!dice it fairly fine.

Slice the serrano chiles.

Remove the skin from the garlic and mince finely.

Remove the leaves from the cilantro and discard the stems.

To make a roasted tomatillo salsa, put all ingredients except the cilantro and salt on a baking sheet lined with parchment paper. Cook at 425°F for 20 minutes until vegetables are softened and blackened in spots.

Alternatively, put all ingredients into a medium sized pot with a lid and bring to a boil. Cook for 20 – 30 minutes, until the ingredients are softened.

Whichever method you choose, once the ingredients are cooked add them to a blender with the cilantro and salt to taste. Blend until smooth and serve.