Easy Italian Vegetable Pasta Bake Recipe

Ingredients

• 3 cups mostaccioli, cooked, drained
• 1 jar (27 1/2 oz) light pasta sauce
• 1 pkg. (8 oz) Mozzarella cheese, divided
• 2 cups thinly sliced mushrooms
• 2 cups sliced halved yellow squash
• 2 cups sliced halved zucchini