Step 1

Melt butter in a skillet over medium heat.

Step 2

Add onions, lightly season with salt and pepper and sauté for 6 to 8 minutes or until onions are soft and have just started to brown. Remove heat and set aside.

Step 3

Season pork chops with salt and pepper.

Step 4

Dredge each in flour, shaking off any excess, so each chop is coated in a thin layer of flour.

Step 5

Heat oil in a large skillet with tall sides over medium heat.

Step 6

Once oil is hot carefully add pork chops and pan fry on each side for 4 to 5 minutes or until pork chops have slightly browned on the outside and just cooked through.

Step 7

Transfer pork chops to a cooling rack.

Step 8

Spread mayonnaise and mustard onto the tops and bottoms of each toasted bun.

Step 9

Top each bottom bun with a pork chop and pile onions on top.

Step 10

Gently press the top buns onto each sandwich and serve immediately.