The Nutty Mushroom Melt Burger - Jarlsberg

Ingredients

• 250 g mushroom
• 1 onion
• 1 clove of garlic
• 1 dl breadcrumbs
• 1 dl cooked rice (from the previous day)
• 1 dl walnuts (roasted)
• 1 dl black beans
• 1 dl Jarlsberg® cheese (slices cut into small pieces)
• 5 sundried tomatoes (diced)
• 1 carrot
• 1 beetroot
• 1/4 red cabbage
• 100 ml vinegar (12 %)
• 1,5 dl sugar
• 2 dl water
• Salt and pepper
• 3 tbsp oil
• 4 onions
• 1 egg
• 2 tsp Dijon mustard
• 1 tbsp white wine vinegar
• 1 tsp salt
• 1 pinch of pepper
• 2 pinches of sugar
• 2 dl oil
• Chilli and rosemary
• 4 burger buns
• 4 Jarlsberg® cheese slices
• Lettuce