Potato is exchangeable. Hamburger patty made from seasoned and battered purple yam roundels is something you need to try. PURPLE YAM BURGER Components 600 grams purple yam (kand), peeled, cut into roundels and steamed 4 burger buns, halved and toasted 1/2 cup fine-tuned flour (maida). 2 tsps garlic powder. 1/2 tsp smoked paprika powder. 2 tsps onion powder. 1/2 tsp dried oregano. Salt to taste. 1 1/2 cups panko breadcrumbs. 1/2 tsp dried red chilli flakes. 2…