Whatâs the difference between fat soluble and water soluble vitamins, and what is its significance for people with cystic fibrosis? Water soluble (Vitamin C and all of the B vitamins): Water soluble vitamins are vitamins that our bodies do not store. These vitamins dissolve in water when they are ingested, then go in to the blood stream.
How long and at what temperature should I cook a beef roast in the oven? Roasting is a great cooking method for a large, tender cut of beef  such as a rib or sirloin roast.Sirloin-tip, rump, rolled-rump, eye-of-round or top-round roasts will also benefit from this cooking method if they are graded prime or choice.ooking at a constant oven temperature of 300Â°F (160Â°C), a 5- to 8-lb standing rib roast will take 17-19 minutes per pound for rare, 20-22 for medium rare, 23-25 minutes for medium, and 27-30 minutes for well done.
Heat the oil in a large Dutch oven and brown on all sides, about 4 minutes per side. Remove the roast from the pan and add the onion slices and thyme sprigs. Place the roast on top of the onions, fat side up. Add the beef broth to the pan and place in the oven, uncovered.Roast until the beef is tender and registers an internal temperature of 130 to 135 degrees F, about 1 1/2 to 2 hours. Transfer the roast to a platter or cutting board and let rest for 15 minutes before carving.eat the oil in a large Dutch oven and brown on all sides, about 4 minutes per side. Remove the roast from the pan and add the onion slices and thyme sprigs. Place the roast on top of the onions, fat side up. Add the beef broth to the pan and place in the oven, uncovered.