Recipe for Vegan Mushroom Burgers

mushroom burger patty recipe vegan
1 cup sliced mushrooms
1/2 cup chopped onions
1/2 cup lightly toasted quick oat
1/2 cup cooked quick oat (cook with half liquid recommended on the package)
1/2 cup parsley
2 chipotle peppers, seeded and 1 tablespoon adobo sauce
1 pack (100g) of chestnut, chop and mash a little bit
2 tbsp. chia seed mix with 6 tbsp. water

Cook the mushrooms and onions until nicely brown. Add other ingredients. Shape into patties. Shallow-fry patties both sides until golden brown