1: Finely slice the onion and chop the garlic.
2: Heat olive oil and unsalted butter in a pan.
3: Add the chopped onion and cook until caramelised.
4: Add the garlic and prawns, cooking until prawns are pink.
5: Stir in the crispy chilli oil, smoked paprika, and season with salt.
6: Pour in the chicken or vegetable stock and bring to a simmer.
7: Stir in the single cream and grated parmesan.
8: Cook spaghetti according to package instructions and then add it to the sauce.
9: Mix well and serve, garnished with fresh parsley.
