Smoky Onion-Charred Poblano Salsa Fresca Dec 31, 1999 INGREDIENTS:1 ½ quarts red onion, diced 1 ½ cups white vinegar 1 ½ cups water 1 ½ cups sugar 10 medium yellow onions as needed, garlic oil 12 chiles, fresh poblano or pasilla 3 quarts Roma tomatoes, seeded, diced 1...