Choose a new cookbook worth up to £28 when you subscribe to our magazine.
Heat the oil in a pan. Fry the onion and pepper for 10 mins. Add the chorizo and fry for 5 mins more. Stir in the garlic, chipotle paste, cumin, ground coriander and prawns, then fry for 2 mins more. Add the lime juice and season.
Spread the mixture over 1 tortilla and top with the second tortilla. Heat a frying pan over a high heat. When hot, add the quesadilla and cook on each side for 1-2 mins. Cut into four and serve with guacamole, if you like.