Approximate Weight
Oven Temperature
Total Estimated Time Only
Meat Thermometer Reading (Rare)
2 ribs
4 to 5 pounds
450 deg/325 deg F
60 to 70 minutes
120 degrees F
3 ribs
7 to 8.5 pounds
450 deg/325 deg F
1 1/2 to 1 3/4 hours
120 degrees F
4 ribs
9 to 10.5 pounds
450 deg/325 deg F
1 3/4 to 2 1/4 hours
120 degrees F
5 ribs
11 to 13.5 pounds
450 deg/325 deg F
2 1/4 to 2 3/4 hours
120 degrees F
6 ribs
14 to 16 pounds
450 deg/325 deg F
3 to 3 1/4 hours
120 degrees F
7 ribs
16 to 18.5 pounds
450 deg/325 deg F
3 1/4 to 4 hours
120 degrees F
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Cook time on 6.5 rib roast
A prime rib can be frozen, but it should be thouroughly thawed before cooking.
1.5 hours
2 hours
how long does it take to heat a 5.5 lb rib roast at 275 degrees to an internal temperature of 135 degrees
1/2 per pound at 350 degrees
I froze a Prime Rib that I bought 3 days ago and froze it in a tupperware container. Will it be fine to cook?
The best way to cook a delicious and juicy big easy prime rib is to roast it in the oven at a low temperature for a longer period of time. This method allows the meat to cook evenly and retain its juices, resulting in a tender and flavorful prime rib.
To cook prime rib in a convection oven, preheat the oven to 325F. Season the prime rib with salt, pepper, and any desired herbs. Place the prime rib on a rack in a roasting pan and cook for about 15 minutes per pound, or until the internal temperature reaches 120-125F for medium-rare. Let the meat rest for 15-20 minutes before slicing and serving.
Prime rib is actually a cut of meat, not a specific recipe, so "making it" will start with purchasing that cut from a butcher or supermarket. It's best prepared rare-medium rare, so however you decide to cook it (broiler, grill, pan sear), don't cook it too long.
Prime rib can be cooked various ways, but the practicality of cooking is often balanced by how thick a prime rib is cut. Prime rib steaks are most popularly booked on a BBQ, either gas or charcoal, but may also be cooked in an oven or on a stove. Prime rib roasts are most popularly cooked in slow cookers, but may also be cooked in an oven at low heat.
I have a 2.6 Kg 'silverside' of beef... How long should I roast it in the oven, and at what temperature? ...Reduce the heat to 190C/375F/Gas 5 and roast for half an hour per kilo for rare, adding another ten minutes per kilo for medium rare