1/2    Stick oleo
1/4 c  Onion
1/4 c  Flour
2 c  Milk
1/2    Stick oleo
1 sm Jar cheese whiz
2 c  Mashed potatoes
Salt and pepper to taste

Simmer 1/2 stick oleo and onion until done the
way you want.
Sprinkle flour to thicken. Add milk, 1/2 stick
oleo, cheese,
potatoes, salt and pepper. Heat until cheese melts,
stirring
constantly to prevent scorching.