Boil the potatoes.Peel and mash using a potato masher.
In the same bowl mash the canned tuna and all the other spices,salt, cornstarch and coriander.
Take a small amount in your hand and stuff 2-3 cranberries in the center.Cover from all the sides and roll into small balls.Repeat for the whole mixture.
In a deep pan heat oil and deep fry the balls until golden.
Serve with Sriracha on the side!Serve hot or at room temperature.