3 chile vinegar dipping sauce cheddar Recipes

extra virgin olive oil, more for the baking dish, tomatoes, cored and cut into medium dice, kosher salt , more as needed, yellow onion, finely diced, garlic cloves, minced, chili powder, black beans, rinsed and drained well, chipotle chiles in adobo, minced (about 1 tbsp.), adobo sauce, cider vinegar, frozen corn kernels (thawed ), sharp cheddar cheese, grated, monterey jack cheese, grated, fresh cilantro, chopped, fresh ground black pepper, tortilla chips , for serving

chile vinegar, fresh hot red or green chiles such as serrano or thai (about 20), rinsed and patted dry, distilled white vinegar, mmake dipping sauce, water, sugar, dried hot red-pepper flakes (optional), use vinegar from bottled pickled jalapenos, special equipment : a 1-pt canning jar with lid and screw band; an instant-read thermometer