One Pot Italian Pasta

• 500 g pasta
• 2 cup vegetable stock
• 800 g tin diced tomato
• 700 g jar passata or pasta sauce
• 260 g roasted capsicum (peppers)
• 275 g kalamata olives, pitted
• 2.5 cup baby spinach leaves
• 1 cup fresh basil leaves
• 50 g grated parmesan cheese to serve