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Super Contributor
Posts: 495
Registered: ‎03-10-2010

Ok, need to know how to make these. Last night I went to deli counter....bought a pound of roast beef. Then bought 4 cans of au jus gravy. Heated the gravy, then added the roast beef and warmed it up. But what happens is the roast beef turns like a gray color, and loses its flavor.

Help! How do you make your hot roast beef sandwiches??