To make my Mcdonalds copycat double cheeseburger you will need:
►450g (1lb) of really high grade steak mince (ground beef)
►1/2 a small white onion
►1-2 Gherkins (pickles)
►4 slices of processed cheese
►2 soft white burger buns
►Ketchup
►American mustard
►Salt & pepper