On Thursday, August 25, 2016 at 10:35:04 AM UTC-4, BigC300 wrote:
> I have been driving past Arby's for years ignoring their roast beef
> sandwiches. Until recently, I saw a commercial for their roast beef
> sliders with a side cup of "aujus". This stuff looks like black coffee
> but when you dunk that roast beef sandwich in it...oh my, it's
> wonderful.
>
> I assume this delicious sauce is made with the drippings from cooking
> the roast beef. Anybody have experience making this wonderful sauce
> for eating roast beef?
>
> William

It might be this:

<https://www.amazon.com/Minors-Jus-Concentrate-Beef-Ounce/dp/B00J4B18VG>

The classic au jus is indeed made as you said, but most restaurants (and
definitely Arby's) use a package. I'm confident that Arby's roast beef
product (it's chopped, pressed, and formed) is cooked at the factory.

Cindy Hamilton