Caponata Agrodolce

Ingredients

• 1/2 cup olive oil, for frying (plus more if needed)
• 3 medium eggplants, cut into small dice
• 3 small green zucchini, quartered and cut into 1/4-inch pieces
• 3 small yellow squash, quartered and cut into 1/4-inch pieces
• 2 onions, chopped 1/4-inch pieces
• 6 celery ribs, cut into 1/4-inch slices
• 3 garlic cloves, thinly sliced
• 1 1/2 cups red wine vinegar
• 2 tablespoons sugar
• 1 cup roasted red pepper, thinly sliced
• 1 cup kalamata olive, pitted and chopped
• 1 cup capers
• salt & freshly ground black pepper
• 2 tablespoons chopped fresh parsley leaves
• 2 tablespoons chopped fresh oregano leaves
• 2 cups prepared marinara sauce
• 1 (14 ounce) can diced tomatoes