1 yam
2 tablespoons grapeseed oil, divided
1 cup quinoa, prepared according to package instructions
1 14-oz can chickpeas, drained and rinsed
1 small onion, peeled and chopped
1 red bell pepper, seeded and chopped
2 carrots, peeled and chopped
1 cup fresh spinach, tightly packed
2 tablespoons sunflower seeds
1 tablespoon pumpkin seeds
juice of 1 lemon
1 tablespoon ground cumin
2 tablespoons sesame tahini
1 tablespoon hot sauce (optional)
salt and pepper, to taste
a little flour, for dusting the burger patties