1Rinse quinoa really well under running water.

2Add rinsed quinoa, ground flaxseeds, diced onion, salt and spices to a medium-size cooking pot (20 cm ~ 8 inch, preferably cast iron).

3Add water. Bring to a boil, stir once then reduce heat to low. Simmer quinoa, covered, for 15 minutes or until soft and cooked through. Turn off the heat and let quinoa sit in a covered pot for another 5 minutes.

4Add ground walnuts and nutritional yeast to the cooked quinoa.

5Mix well to combine.

6Preheat the oven to 200°C (400°F) Fan. Split the mix into 4 portions and transfer to a baking tray lined with baking paper using a spoon.

7Wet your hands and shape into burger patties.

8Roast in the middle of the oven for 15 minutes. Flip them over and roast for another 5 minutes.

9Slice burger buns in two and set the top parts aside. Cut lettuce into strips. Add the bottom part of the buns to plates. Top with lettuce.

10Add quinoa patties.

11Add yogurt mayo or regular mayo.

12Place the top of the buns over the patties.