High-Protein Loaded Beef Burgers

Ingredients

• Beef mince, low fat, raw, 400 g
• Dried mixed herbs, 2 teaspoon(s)
• Mushrooms, 4 field mushroom(s)
• Olive oil spray, 1 spray(s)
• Eggs, raw, 4 extra large egg(s)
• Beetroot, fresh, 1 beetroot(s), peeled and coarsely grated
• Carrot, 1 medium carrot(s), coarsely grated
• Spring onion, 2 medium onion(s), white and green parts thinly sliced
• Wholegrain mustard, 2 tablespoon(s)
• Barbecue sauce, 2 tablespoon(s), salt reduced
• Tomato, 2 medium, ripe, sliced
• Avocado, 80 g, sliced