https://www.simplyrecipes.com/recipes/tomatillo_salsa_verde/
1 1/2 pounds tomatillos
1/2 cup chopped white onion
2 cloves (or more) garlic, optional
1/2 cup chopped cilantro leaves and stems
1 tablespoon fresh lime juice
2 jalapeño or serrano peppers , stemmed, seeded and chopped (you can use whole for more heat if you want)
Salt to taste