Preheat Oven to 180 degrees C. Line a baking tray with baking paper.
Place the chia seeds and 3 TBS water in a cup and stir to form a chia egg. Set aside so that it becomes a gel.
Add onion and carrot to processor. Process until just chopped. Alternatively, you can finely dice the onion and grate the carrot.
Add the walnuts and process to form a rough crumble.
Add the oats and kidney beans. Process until just combined.
Transfer bean mixture to a bowl. Add soy sauce, Worcestershire sauce, tomato puree and herbs. Add 1 TBS bread crumbs. Mix with a wooden spoon or by hand until fully combined. The mix should resemble a slightly wet mince. Add more bread crumbs if required.
Shape the mixture into small balls and place on the prepared tray.
Bake at 180 degrees C for approximately 15 minutes, or until browned on the outside.
This recipe can also be used to make burger patties.
"Vegan Meatballs" by WithExtraVeg - https://withextraveg.net/vegan-sausage-pasta-bake/