1. Cook the burger in a pan with the melted butter.
2. Slice the onions and cook it in a pan with some oil.
3. Cut the bun in 2 and garnish the bread with : the ketchup, the salad , a slice of tomato, the beef burger, the cheddar cheese, the cooked onion and add a slice of salad and the second part of the buns. Your burger is ready !
4. Cook the fries during 5’ at 175°C

Enjoy your meal!