Melt 1 stick margerine in small saucepan
Add 1/3 cup nutritional yeast flakes, 1/4 cup flour and salt to taste
Allow to thicken a bit
Serve over veggies.
It doesn't LOOK very cheese-y (like, you couldn't use it for mac and cheese at all), but it tastes wonderful and holds onto veggies. This made enough for two heads of broccoli, so I would guess it's enough for four baked potatos..