Heat 1 tbsp of oil in a sauté pan over medium heat and sauté onions for 4 minutes until tender and set aside to cool.
In a mixing bowl, combine the sautéed onions, ground chicken, salt, parsley, garlic and curry powder. Evenly divide mixture and shape into flour patties.
In a separate bowl, mix the yogurt, mint, cucumber and salt to make the sauce.
Heat the remaining tbsp of oil in a pan and cook patties for 2-3 minutes on each side.
Place burgers on buns and top with yogurt sauce and desired accompaniments.