In a bowl, combine salt, pepper, and flour.
Coat the beef cubes in the flour mixture, shaking off any excess.
Heat vegetable oil in a 5 qt (5 L) saucepan over medium-high heat. Brown the beef cubes in batches.

(8 hr version)
Cook on high for 5 hours
then add the vegetables and continue cooking for 3 hours.
Cook for an additional 30-40 minutes, or until the vegetables are tender.

(10 hr version)
Cook on high for 7 hours
then add the vegetables and continue cooking for 3 hours.
Cook for an additional 30-40 minutes, or until the vegetables are tender.