Beef Patty Sandwich with Creamy Onion Gravy

Heat a frying pan to 150 °C. Add the butter.

Peel the onions and cut them into ½ cm thin slices. Add them to the pan as you go. Cook for 30 minutes with the lid on. Stir regularly.

Divide the meat into 4 portions of 200 g.

Shape them into balls and flatten them. Season with salt and pepper.

Add the heavy cream, fish sauce and soy sauce to the pan with the onions. Simmer for 5 minutes at 100 °C.

If you only have one frying pan, pour the sauce into a bowl so you can use the pan to fry the patties. Remember to clean the pan before frying the patties.

Add butter to the frying pan and heat to 185 °C.

Cook the patties for a total of 5 minutes. Cook for 1 minute on one side, then flip them over. Continue turning them every minute until they have cooked for a total of 5 minutes. After 5 minutes the patties will still be quite red inside, but they will finish cooking in the sauce.

Reduce the temperature and pour the sauce over the patties.

Let it simmer for 5 minutes.

In the meantime, prepare the buns, condiments, and garnishes for the sandwiches.

Assemble the beef sandwich. Spread mustard on the bottom bun, then add beetroot slices, ketchup, sliced pickled cucumbers, remoulade or mayonnaise. Add a patty and a lot of the gravy. Then top with chopped raw onions and fried onions. Add the top bun or leave it off, if you prefer.