Caponata Sicilianata

Name: Caponata Sicilianata
Prep time: 20 min
Cook time: 5 h 30 min
Total time: 5 h 50 min
Cuisine: European, Italian, Mediterranean
Ingredients: 1 pound roma tomatoes, cut into 1/2-inch pieces; 12 ounce eggplant, cut into 1/2-inch pieces; 12 ounce zucchini, cut into 1/2-inch pieces; 1.5 cup sliced celery (3 stalks); 0.75 cup finely chopped onion; 0.5 cup snipped fresh Italian (flat-leaf) parsley; 0.25 cup raisins; 0.25 cup tomato paste; 2 tablespoon red wine vinegar; 1 tablespoon packed brown sugar; 1 teaspoon salt; 0.25 teaspoon ground black pepper; 3 tablespoon chopped pitted ripe olives (optional); 2 tablespoon drained capers (optional)