Heat the oil in frying pan and add cumin, paprika and garlic. Cook for 30 secs then add pork mince and cook over a high heat for another 10 mins. Add the chillies, olives and malt loaf and cook for another 5 mins and then stir in the chopped herbs and allow to cool. Place the tortillas on a plate and add 2 tblsp filling to each. Mix the cheeses together and put the same amount on the pork filling. Roll up the tortillas and press down. Heat the frying pan again with olive oil and fry over a high heat until golden. Garnish with coriander and sour cream.