250g minced beef

For the assembly and serving: (per burger)

Brioche buns,1 American cheese slice,2 cheese slices,Lettuce,Gherkin,Mayonnaise,Salt and
pepper to taste

For the tomato ketchup:

400g chopped tinned tomatoes3 cloves of garlic1 banana shallot, sliced1 tablespoons Worcestershire sauce2 tablespoons maple syrup

For the onion rings:

100g plain flour2 teaspoons dried yeast150ml lagerPinch of salt2 large onionsOil for frying

of salt2 large onionsOil for frying