1. Cook pasta following packet instructions. Drain, reserving a little pasta water. Return to pan with reserved water. Drizzle over half the oil and keep warm.
2. Heat remaining oil in a non-stick pan. Add seafood. Heat through for 3-4 minutes until seafood is hot.
3. Add seafood to pasta with lemon juice and tomatoes. Toss to mix. Add chilli (if using) for extra spice. Heat through until hot.
4. Season to taste with salt and pepper. Serve with parsley and garnish with extra lemon slices.