Braised Adobo Pork with Polenta

Name: Braised Adobo Pork with Polenta
Ingredients: 2-3 Tablespoons olive oil; 1 2½-pound pork loin, seasoned with salt and pepper; 1 14-ounce can diced tomatoes with their juice; 1 Tablespoon dried oregano; ½ Teaspoon ground cumin; 1 bay leaf; 1 chipotle in adobo (not the sauce, just the dripping single pepper; you can freeze the rest); ½ Cup cider vinegar (or store-bought vinegar-based barbecue sauce such as Shealy’s); 2 garlic cloves, halved; 1 medium onion, chopped; Salt; 1 Cup medium or fine cornmeal; 1 Tablespoon butter; ½ Cup grated sharp Cheddar cheese; Handful chopped fresh cilantro leaves