Make A Jus
Preheat the oven to 475
Heat oil in large ovenproof skillet and season beef bones season with salt and pepper, brown on one side turn over and place in oven and roast until brown about 15 minutes
Add roasted bones with any juices and remaining A Jus ingredients to a large stockpot. Bring to a boil then reduce to a simmer and slow simmer 4 to 6 hours, uncoveref
Strain all solids and discard. Refrigerate overnight and remive fat from top There will be about 5 to 6 cups rich flavor packed broth. Depending on the size of your roast you may not use it all. Freeze any extra for soups, stews or gravy
Prepare Rib Roast
Remove roast to stand at room temperature 1 full hour before cooking. Preheat the oven to 500
Rub roast all over with the olive oil
Combine roesmary, thyme, sriracha salt and pepper in a small bowl
Rub roast all over with seasoningd, place in oven proof pan and roast for 5 minutes for each pound of meat (a 6 pound roast would cook for 30 minutes as an example) After your time is done TURN THE OVEN OFF BUT DO NOT OPEN THE DOOR FOR 2 HOUTS..AFTER 2 HOIRS The meat wil be medium rare about 135 if you want it medium keep it in the oven until it reaches 150 about 30 more minutes. Remove from oven, let it rest 10 minutes before carving
Prepared A Jus
Combine butter and flour to a paste in a small bow
Add the 2 cuos of beef stock to pan roast was cooked in, bring v to a simmer
Add flour/butter nix ture in batches whisking to desired thickness
Serve Au Jus with beef
