Filet−O−Fish Sandwich Copycat

2 Tbls. Mayonnaise
2 teas. Sweet relish
2 teas. Minced onion
2 hamburger buns
2 square breaded frozen fish portions
2 slices American cheese

Mix together the mayonnaise, relish, minced onion in a small bowl. This will be the tartar sauce.
Lightly toast the hamburger buns.
Cook the fish by either baking or frying in oil according to the package instructions.
Divide the tartar sauce and spread it evenly on each of the top buns, and place a slice of cheese on each of the bottom buns.
Place the cooked fish on top of the cheese slice on each sandwich, and top off the sandwiches with the top buns.