Remove the husks from the tomatillos then wash and clean it.
In a deep pan add oil and cleaned tomatillos. Roast it for few mins till slightly brown spotted.
Let it cool down, then cut it in half and add it into the food processer jar. Add onion, Jalapeno/Serrano peppers, garlic, lemon juice, cilantro and salt.
Now blend it till smooth coarse paste. Remove it and store it in a cool place in an airtight jar.
Tomatillo Salsa is ready to serve with nacho, tacos. You can also have it with any Mexican recipe.