While the dough is resting, prep your filling.In a medium size bowl, combine boiled & mashed potato, onion, ground coriander, garlic powder, red chili powder, salt, pepper and cilantro. Mix well and set aside. 3 Large Potatoes, boiled and mashed, 1 Large Onion, finely chopped, 1 teaspoon Ground coriander, 1 teaspoon Garlic powder, 1 teaspoon Red Chili powder, To taste Salt & Pepper, 2 tablespoons Cilantro, finely chopped