Grilled Pork Loin with Peperonata recipes

Name: Grilled Pork Loin with Peperonata recipes
Ingredients: 2 yellow onions, thinly sliced; 2 red bell peppers, cored, seeded and thinly sliced; 2 orange bell peppers, cored, seeded and thinly sliced; 2 cloves garlic, minced; 2 tablespoons red wine vinegar; Zest of half a lemon; 8 cups water; ½ cup salt; ¼ cup packed light brown sugar; 8 garlic cloves, smashed; 5 sprigs of thyme; 1 lemon, quartered; 1 tablespoon whole black peppercorns; One 4-pound boneless pork loin; 1 tablespoon fennel seeds, toasted and finely ground; 1 teaspoon coriander seeds, toasted and finely ground; ¼ cup olive oil; parsley leaves