Bring the pasta water to boil in a large pot and add the salt.
Add the pasta to the pot and follow the instructions on the packet for the cooking time.
Heat a pan and add the olive oil. Fry the chillies and garlic until the garlic just begins to colour. Add the tomato paste and fry for 1 minute then add the shrimp and fry for 1 minute. Pour in the white wine, mix well and season with salt & freshly ground black pepper.
When the pasta is cooked, drain it and add it to the sauce. Add half the rocket and the lemon juice and mix well. Serve immediately and garnish with the remaining rocket and lemon zest.