Start by making your sauce, Using a medium-sized bowl, whisk your oil, soy sauce, rice vinegar, garlic, sugar and ginger together. Make your chicken, Start by placing a large skillet placed over medium heat.
Season your chicken with garlic, soy sauce, chilli pepper, ginger, sugar and vinegar, and allow your vegan chicken to marinate for about 20-30 minutes. Mix the sauce ingredients in a bowl and set aside.
Begin by seasoning the burger patties using sage, chilli flakes, pepper, paprika and celery salt. Set the patties aside. Place the caramelised onions on a non-stick pan, add some oil and cook over medium heat.