Apples and cheddar are a match made in heaven ... Spread a generous layer of butter on one side of each bread slice. Divide cheese, apple mixture, and arugula evenly on buttered sides of four ...
Rather than serve your burgers on the usual soft bun with a slice of melted cheddar, stuff the beef and cheese into pita halves and fry them to give your burger a perimeter of crispy fried cheese.
2. Assemble the Sandwiches: Spread a thin layer of butter on one side of each bread slice. On the unbuttered side, spread Dijon mustard (if using), then layer slices of cheddar, apple, and ...