Philadelphia Cheesesteaks

3 tablespoons soybean oil
1/2 cup diced white onions
6 − (1/8" thick) slices rib eye of beef
1 − 6 inch Italian roll, slit lengthwise
1/4 cup Cheese Whiz
Ketchup and pickle relish (optional)
Add 1 tablespoon of oil to a hot skillet and cook the onions
until they just begin to brown. Add the remaining oil to another
hot skillet and cook the beef about 45 seconds on each side or
until just cooked through. Put the meat on the roll and top with
the onions and Cheese Whiz. Add ketchup and relish if desired.