Zoe Torinesi’s cheeseburger with wafer-thin Emmentaler AOP slices

Preparation time: approx. 50 minutes

The world’s best burger sauce

1. Place the mushrooms, onions and garlic on a baking tray lined with baking paper and mix with 1.5 tbsp olive oil.
2. Cook in the centre of the oven, preheated to 230°C
3. for approx. 25–30 minutes until dark brown in some areas; this allows the roasted flavours to develop. Turn over halfway through the cooking time.
4. Remove from the oven, purée with all the remaining ingredients and season to taste.

Burgers

1. Knead the minced beef, breadcrumbs and salt for approx. 45 seconds. Shape into patties. Fry each side in hot oil for about 2–3 minutes.
2. During the last 2 minutes of the frying process, melt a slice of cheese on top of each patty, covering the frying pan with a lid if necessary.
3. While this is happening, place the buns in the oven. Although the oven is now switched off, it will still be warm.