If you are using spaghetti or other pasta, adjust the cooking time accordingly.200 grams angel hair pasta50 grams butter1 tablespoon olive oil5 cloves garlic, sliced2 teaspoons dried chilli flakes1 tablespoon shredded lemon zest12 (raw) prawns (shrimp), peeled, cleaned and halved lengthways1 tablespoon lemon juice?? cup flat-leaf parsley leaves, roughly tornsea salt and cracked black pepper to tast