Salsa Verde

3 jalapeño or serrano chiles 

6 tomatillos 

1 bunch fresh cilantro 

1 bunch fresh flat-leaf parsley  

1 small white onion, quartered  

6 garlic cloves 

1 Tbs. coarse salt, plus more, to taste 

1 Tbs. freshly ground pepper, plus more, to taste 

2 Tbs. fresh lime juice, plus more, to taste 

1/4 cup (2 fl. oz./60 ml) grapeseed oil