1Add beef mince to a frying pan. Season with onion granules, garlic granules, salt and pepper. Fry until brown.
2Make the sauce with mayo, ketchup, mustard, diced onion, and finely diced gherkins. Set aside.
3Line tortillas with half the sauce, beef mince, cheese, sliced gherkins, remaining onion, lettuce and remaining sauce. Top with tortilla chips and a small wrap.
4Fold the edges towards the center to create a pleat.
5Cook pleat side down in a frying pan over medium heat until golden on each side.