Using rotary slicer, slice cooked roast beef into thin slices. Package 1 pound leftover beef in aluminum foil, then place in quart ziploc freezer bag. Freeze. Bundle with: 4 large French rolls in gallon freezer bag. To prepare: thaw meat slices completely. Warm aluminum foil packet containing meat in 250-degree ove n until warm. Meanwhile, prepare au jus gravy according to packet directions. T oast French rolls and heap with sliced roast. Serve with small bowl of au jus g ravy for dipping.

Serving Ideas : Potato Salad busted by sooz