Stir in a large bowl, bananas, flour, cornstarch, coconut, sugar, baking powder and salt, followed by egg yolks, milk and vanilla. Combine until thick, adding more milk as needed. (tablespoon by tablespoon)
Using spring-form ice cream scoop, form fritters and drop 4-5 at a time to hot 375 degree oil. Flip once until golden, 2-3 minutes. Remove with slotted spoon, drain on paper towels.
Let cool 5-10 minutes, sprinkle with confectioner's sugar. EAT!
NOTE: You can use a potato masher to combine your ingredients.