Bacon cheese burgers

beef 70.0% , water 15.0% , onion 7.5% , mature cheddar 3.8% , Fortified Wheat Flour Wheat Flour 1.9% , E170i 0.9% , iron 0.5% , E375 0.2% , thiamin 0.1% , bacon 3.0% , cheese powder 0.0% , salt 0.0% , yeast extract 0.0% , flavouring 0.0% , onion 0.0% , black pepper 0.0% , garlic 0.0% , cereals containing gluten 0.0% , see ingredients in bold no artificial colours 0.0% , flavouring 0.0%