Red deer burger with chanterelle- juniper berry mayonnaise

Ingredients

• 550 g Lapin Liha’s red deer minced meat
• 50 g lard or suet
• 200 g bacon
• 8 slices of Edam cheese
• 4 leaves of Romaine lettuce
• 1 cl toasted onion
• 4 dl unflavored mayonnaise
• 4 pcs juniper berries
• 1 dl dried chanterelles
• 1 tbsp game stock concentrate
• pickled red onion
• hamburger buns (sourdough)
• salt
• pepper