Bring a large pot of salted water to the boil. Add linguine and cook according to package instructions, then drain.
At the same time, combine oil, chilli and garlic slices in a frypan over low heat. Cook for 2-3 minutes or until garlic is just becoming fragrant.
Stir through tomatoes and cook until tender and starting to break down, 5-7 minutes. Adjust seasoning.
Add prawns and cook for 3-4 minutes or until opaque.
Add linguine and toss well to coat.
Stir through spinach to wilt and divide between bowls.
Squeeze over lemon and serve.
