Chicken-Vegetable Spaghetti

Ingredients

• 2 Tbsp. olive oil
• 4 skinned and boned chicken breast halves, cut into 2-inch pieces
• 3 medium zucchini, cut in half lengthwise and sliced
• 1 large green pepper, coarsely chopped
• 1/2 lb. fresh mushrooms, sliced
• 1/4 c. onion, chopped
• 1 garlic clove, minced
• 1 (30 oz.) jar spaghetti sauce
• 2 c. shredded Mozzarella cheese, divided (8 oz.)
• 8 to 12 oz. spaghetti (uncooked)
• 2 Tbsp. chopped fresh parsley