Sicilian Cod Caponata

Name: Sicilian Cod Caponata
Ingredients: 1/4 c. extra virgin olive oil, divided; 1 medium white onion, diced; 2 large celery stalks, diced; 2-3 garlic cloves, minced; 1 medium eggplant, peeled and cubed; 2 medium tomatoes, diced; 2 T. tomato paste; 1 c. tomato passata*; 3 T. red wine vinegar; 2 T. capers; ¼ c. green olives, pitted and sliced; ¼ c. raisins; 4 6-oz. cod fillets; 3 T. fresh parsley leaves, chopped, divided; 3 T. sliced almonds, toasted, divided; Sea salt and black pepper, to taste