Seitan Pepper Steak

• 4 tamari
• 3 barley miso
• 2 flaked angle-cutseitan
• 1/2 re
• 1/4 arrowroot
• 950 ml water
• 120 gr onions (diced)
• 65 gr bell peppers (diced red)
• 65 gr green bell peppers (diced)
• 60 ml sherry