Seitan & Beetroot Burgers

Ingredients

• 50g/ ½ cup mushrooms
• 2 red onions, cut into medium sized pieces
• 3 cloves garlic, skins removed
• 2 medium raw beetroot, grated
• 2 tbsp soya sauce or tamari
• 2½ tbsp dark miso paste
• 1 tbsp dried oregano
• ¼ tsp all spice
• 4 tbsp tomato puree
• 1 tbsp cumin seeds
• 1/8 – ¼ tsp cayenne pepper
• Cracked black pepper, to taste
• 1 tbsp wholegrain mustard
• 375g/3 cups vital wheat gluten flour