Add spaghetti to pan of boiling water and begin cooking as per packet instructions
Add olive oil to a large frying pan over a medium heat
Fry the chopped chilli for about 1 minute
Add the garlic and fry for another minute, stirring regularly
Add the chopped courgette and fry until softened and slightly browned
Pour in the tin of chopped tomatoes and heat through
Stir in the lemon juice, zest and chopped herbs
Season to taste
Add prawns and cook until heated through (about 2-3 minutes)
Drain spaghetti, add to the sauce and stir together
Serve with the fresh cherry tomatoes. A sprinkle of parmigiano reggiano cheese, extra fresh herbs or sliced chilli also make a great topping!