Tuna Pasta Bake

Name: Tuna Pasta Bake
Cook time: 45 min
Total time: 45 min
Cuisine: African, European, Moroccan, Mediterranean, American, Greek, Southern
Ingredients: 4 cups whole-wheat rotini, 14 oz total; 1 tbsp olive oil; 1½ yellow onions, finely chopped; 4 cloves garlic, minced; 2 tbsp tomato paste; 2 28 oz cans crushed tomatoes; 1½ cups water; 2 tbsp Italian seasoning; 2 tsp salt; 1 tsp black pepper; 6 cups water-packed light tuna, drained; 3 cups shredded mozzarella