Salsa Verde (Mexican Tomatillo and Serrano Chile Salsa with Onions)

Getting good at whipping up this Green Sauce opens up loads of possibilities in the kitchen. Use it generously on eggs, enchiladas, carnitas and burritos.

1 lb husked tomatillos, quartered quartered
½ medium onion, coarsely chopped
1 clove garlic, smashed
1 serrano chile, seeds removed if desired, coarsely chopped
¼ cup fresh cilantro leaves, with tender stems
sea salt

Purée 1 lb quartered rinsed husked tomatillos, ½ coarsely chopped medium onion, 1 smashed , 1 coarsely chopped serrano chile (seeds removed if desired) and ¼ cup fresh cilantro leaves with tender stems in a blender, adding water as needed, until smooth; season with salt.

Makes about 2 cups.