You will need:
Heat an iron skillet over medium heat. Add 3 Tbs. of oil to the pan and saute the onions to desired doneness.
Remove the onions, then add the remaining oil and saute the slices of meat quickly on both sides.
While meat is cooking, melt the Cheez Whiz in a double boiler or in the microwave. If you are going to microwave the Whiz, watch it, because it can burn. About 2 minutes is enough to melt the cheese. Once the meat is done, place 1/4 of the meat into the rolls. Add onions, and pour the Cheez Whiz over the top. Garnish with hot or sweet peppers and ketchup.