One Pot Sicilian Pasta

• 500 g chicken breast, diced
• 0.5 cup sundried tomatoes, thinly sliced
• 1 red onion, thinly sliced
• 1 zucchini, thinly sliced
• 3 garlic cloves, thinly sliced
• 3 cup baby spinach
• 2 tsp Italian seasoning
• 300 g wholemeal spaghetti
• 4 cup chicken stock
• 0.75 cup parmesan, grated