I would think because it is an open face roast beef sandwich that au jus would be available, and the event that that is not what you want you probably have options for other types of sauces. Just today I ordered a pastrami and had the option of Gulden's (so NY deli mustard) or honey mustard. You def got choices!!🤙🏾✌🏾
No, they are served with brown gravy. The French dip is served with au jus
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