Mix the chickpeas, onion, garlic, tomato paste and soy sauce until well combined.
Add the ground chia seeds and water, mix well and let rest for 5 minutes.
Add the ground oats and chopped walnuts.
Season with cumin, smoked paprika, mixed herbs and salt. Mix well.
Form 6-7 sausages with your hands and wrap each sausage in parchment paper.
Steam the sausages for 15 minutes.
Serve immediately or pan-fry for a crispy result.
