Sauce Robert is a brown mustard sauce derived from the Classic French Espagnole sauce, one of the mother sauces in French cuisine. It’s a very rich, slightly tangy, and flavorful sauce that goes great with a delicate grilled tenderloin. Grab a glass of wine, get your stirring arm ready, and be patient; it takes awhile for the sauce to reduce. Once you finish your sauce robert, ladle it onto a hot plate, lay slices of grilled tenderloin on top, and enjoy the deliciousness. Recipe below and let me know how your sauce robert turns out!
Grilled Tenderloin on the hot grill. I cooked it medium rare, about 3-4 minutes p side
Slice the Tenderloin, not too thin
Ladle Sauce Robert on a hot plate, then lay tenderloin slices on top of the sauce
On a hote plate, lay the tenderloin slices on top of the sauce robert
- 6 4-ounce beef tenderloins
- Sauce Robert:
- 8 TB (1/2 cup) clarified butter
- 1 carrot, cut into ⅛ inch dice
- 1 small onion, cut into an ⅛ inch dice
- 8 TB (1/2 cup) flour
- 4 cups brown veal stock
- 1 TB shallots, finely chopped
- 1 TB Dijon mustard
- ½ cup white wine
- 1 bouquet garni (parsley stem, sprig of thyme, bay leaf)
- 1 TB tomato paste
- To prepare the sauce:
- Heat the butter in a sauce pan. Add the carrot and onion and saute until translucent. Add the flour and cook, stirring constantly until the roux is dark brown, at least 30 minutes. Dissolve tomato paste into 3 of the cups of the veal stock. Slowly add the stock and simmer, skimming any impurities that come to the surface. Add the bouquet garni. Reduce the sauce until it coats the back of a spoon. Add the remaining 1 cup of stock and simmer slowly. Meanwhile, place the shallot, mustard, and wine in a non-reactive sauce pan and bring to a boil. Reduce the heat to a simmer and reduce the mixture by half. When the espagnole sauce is reduced to about 1 cup, slowly whisk in the wine reduction and allow the sauce to simmer gently for an additional 5 minutes. Strain, Taste and correct the seasoning.
- To cook the tenderloin:
- Make sure the meat is room temperature and pat the meat dry. Heat the grill on high . Right before adding the meat, lightly oil the grill. Lightly coat the tenderloin with a little oil, then season with salt and pepper. Place the loin on the hot grill and cook, undisturbed for about 3 minutes. Rotate the meat a quarter of a turn and cook 1 additional minute to impart even grill marks. Flip the beef and repeat.
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