Cheeseburger with caramelised onions
This classic American cheeseburger recipe is given a rustic twist, as Marcus Wareing cooks up his version in toasted ciabatta and stuffs it with delicious, sweet, sticky caramelised onions. This is an excellent rendition of the classic beef burger, with fresh parsley, tarragon and garlic bringing extra flavour to the beef patties. Peppery rocket, creamy hummus and Emmental finish off this rich burger.
Ingredients
Burgers
- 500g of beef mince
- 1 onion , peeled and diced
- 2 garlic cloves
- 1 free-range egg , lightly beaten
- 50g of brown breadcrumbs
- 2 tbsp of flat-leaf parsley , chopped
- 2 tbsp of tarragon , chopped
- 1 tbsp of tomato purée
- 2 tbsp of soy sauce
- 2 tbsp of tomato ketchup
- 1/2 tsp black pepper , freshly ground
- 1/2 tsp salt
- vegetable oil
Caramelised onions
- 25g of unsalted butter
- 3 onions , peeled and sliced
- 1 tbsp of thyme , just the leaves
- 1/2 tsp salt
To plate
Method
1
Mix together the ingredients for the burgers. Fry a little of the mixture to check the seasoning; adjust if necessary. Shape into four patties and refrigerate
- 500g of beef mince
- 1 onion
- 2 garlic cloves
- 1 free-range egg
- 50g of brown breadcrumbs
- 2 tbsp of flat-leaf parsley
- 2 tbsp of tarragon
- 1 tbsp of tomato purée
- 2 tbsp of soy sauce
- 2 tbsp of tomato ketchup
- 1/2 tsp black pepper
- 1/2 tsp salt
- vegetable oil
2
For the caramelised onions, melt the butter in a medium-sized frying pan, add the sliced onions, thyme and salt, and cook for around 20-25 minutes until golden and sticky
- 25g of unsalted butter
- 3 onions
- 1/2 tsp salt
- 1 tbsp of thyme
3
Heat 1 tablespoon of vegetable oil in a large frying pan and brown the burgers until cooked through, about 6-7 minutes each side. Remove them from the heat and place a slice of cheese on top of each one to melt gently
- 4 slices of Emmental
- vegetable oil
4
Brush the inside of the ciabatta with the oil and grill or toast lightly. Spread one half with hummus, then lay the beef patties on the other
- 2 ciabatta loaves
- 4 tbsp of hummus
- 2 tbsp of extra virgin olive oil
5
Add the caramelised onions and rocket and sandwich together. Cut into sections and serve
- 4 handfuls of rocket
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Cheeseburger with caramelised onions
