Bake sweet potato in the oven.

Soak flaxseed meal in 3 tablespoon water.

Grind cauliflower and broccoli in a food processor. Strain using cheese cloth to remove excess water. Put in a bowl.

Grind carrots, garlic, walnuts, pumpkin seeds and onion. Mix with remaining ingredients.

Scoop out the sweet potato flesh and mix altogether.

Combine with all seasonings and mix in coriander.

Form patties and freeze until using.

Bake on high for 15 minutes then flip and bake for another 15 minutes until patties are firm and golden.