Baked Ziti Primavera

Name: Baked Ziti Primavera
Ingredients: 2 (16 ounce) packages ziti; 1 (16 ounce) jar spaghetti sauce; 1 (15 ounce) container ricotta cheese; 1 (6 ounce) package baby spinach leaves; 1 pound ready-peeled baby carrots; 2 tablespoons olive oil; 3 small zucchini, diced; 1 (6 ounce) package portobello mushroom caps, diced; 1 (8 ounce) package button mushrooms, diced; 1.5 tablespoons minced garlic; 1 (28 ounce) can diced tomatoes, drained; 2 tablespoons Italian seasoning; 1 (8 ounce) package shredded Italian cheese blend; 3 (16 ounce) jars spaghetti sauce; salt and ground black pepper to taste