Fritter:
"A small cake of batter, sometimes containing corn, fruit, clams, or some other ingredient, fried in deep fat or sautéed."
Scallop:
Apart from the mollusc the only other food-related definition is: "a thin slice of meat, usually further flattened by pounding with a mallet or other implement."
Cake:
The food-related definitions are:
"1. a sweet, baked, breadlike food, made with or without shortening, and usually containing flour, sugar, baking powder or soda, eggs, and liquid flavoring.
2. a flat, thin mass of bread, especially unleavened bread.
3. pancake; griddlecake.
4. a shaped or molded mass of other food:a fish cake."
But the definition of fritter refers to it as a cake.
So:
Fritter is the most accurate
Cake is probably acceptable
Scallop might be used if the potato slice was fried without batter but mostly it's just confusing!
😊😊😊