French Dip Sandwiches - cooking recipe

Ingredients

deli roast beef, sliced medium
kaiser rolls
Swiss cheese
au jus sauce (packet)
onion (optional)
mushroom (optional)

Preparation

Brown onion and mushroom.
Slice kaiser rolls and butter, then brown in skillet.
Heat roast beef.
Put Swiss cheese on top; cover until cheese has melted.
Make au jus sauce as directed on package.
Put roast beef, cheese with onions and mushrooms on rolls.