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Perfect roast beef with demi-glace sauce is a dinner party worthy dish. A serious dinner party dish.  For when you really want to impress. When you want to pull out all the stops.

It’s not hard. It’s done restaurant style. Do your prep and it will all come together. Big wow factor. Low stress factor. Not a bad combination. A strip-loin means no bones to deal with either. I love prime rib. But I love this too. And it adds to the wow factor. Worth considering…

Demi-glace is what makes this work. Demi-glace is one of the secret weapons in the high-end restaurant arsenal. It should be part of your arsenal too. It’s real work to make but you can freeze it. Just pull it out when you need a flavour grenade to push your cooking into the stratosphere. Pretty flowery description. I know. But it’s that good.

Perfect roast beef with demi-glace sauce is the high end, reverse sear restaurant version of the classic Sunday roast dinner.

The other key trick is reverse sear. Slow roasting the beef gets you the perfectly evenly done beef. None of this well done most of the way through and just right at the centre. No chewing through grey beef just to get at that one good bite. All good. The whole way through. Add that to your arsenal too.

Perfect roast beef is a big claim. Probably too big. Too bold. But it is about as perfect as I can pull off. Maybe I should have called it pretty close to perfect roast beef? The closest I can come to perfect roast beef? Try it. Decide for yourself.

Perfectly medium rare roast beef with demi-glace sauce on oval platter from above.

 

perfect roast beef with demi glace sauce
 
Prep time
Cook time
Total time
 
Author:
Recipe type: main
Cuisine: French
Serves: 6
Ingredients
  • 1 3-4 lb striploin roast
  • ½ cup chicken or veal stock
  • 1 cup demi glace
  • fleur de sel for little flavour bombs (optional)
Instructions
  1. A couple hours before you start cooking, take your roast out of the fridge. Season with salt and coarsely ground pepper. Let it warm up a bit.
  2. Pre-heat your to around 235F. Your oven swings and probably isn't exactly right. You will be relying on your instant read thermometer so don't worry too much about the exact oven temperature.
  3. Place the roast in an roasting dish that can go from the oven to the stovetop. You want something that's not too much bigger than the roast. Leave your big turkey roaster in the cupboard.
  4. Slow-roast the beef for about 1 hour. A striploin isn't a big thick hunk of beef so it will cook fairly quickly. After an hour start checking the internal temperature.
  5. When the roast reaches 118F degrees (rare)/123F (medium rare)/128 (medium) remove the roast from the oven. It will rest while you heat up your oven for the final sear. It can sit for 30-45 minutes.
  6. Turn your oven up to 475F.
  7. After about 30 minutes, return your roast to the oven. Cook for 5 minutes. It should brown up nicely.
  8. Remove the roast from the oven, take the roast out of the roasting pan and tent with foil.
  9. Place the roasting pan on the stove over medium heat. Add the stock and scrape up any little golden bits.
  10. Add the demi-glace and heat through. Strain through a fine mesh strainer to remove any solids.
  11. Slice the roast across the grain (like you were cutting steaks from the roast). I like about ¼ inch thick but do what works for you.
  12. Serve the beef with a drizzle of the demi-glace.

 

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