The fattiest beef roast is generally the Ribeye Roast (Prime Rib) due to its rich marbling and fat content, coming from the rib section, with the fattier, more marbled "large end" (chuck end) being the richest part. Other very fatty roast options include Wagyu cuts and Brisket, while Oxtail is also exceptionally fatty with cartilage and marrow, but usually slow-cooked.
Whether smoked as a standing prime rib roast or grilled as a ribeye steak, it leads the pack with more than 35 grams of fat per serving size. Portion size is typically three to 3.5 ounces of meat. As the name suggests, this cut comes from the rib area and is loaded with ribbons of fat marbling.
What are the fattiest cuts of beef? Ribeye and short ribs are among the fattiest cuts, offering rich flavor and juiciness.
The rump is a very hard-working part of the animal, meaning the meat is a little leaner. In contrast, the sirloin (particularly the fillet) area contains muscles that are hardly used. It also tends to contain more fat than rump steaks, which adds to its tenderness.
The most popular cuts for a roast are:
Whole Sirloin or Striploin. Bolar Blade Roast. Eye Fillet Butt. Rump Cap.
To cook it until it's so tender it falls apart, you'll need to choose a joint like chuck and blade or beef brisket and either braise, slow roast or slow cook it for at least a couple of hours.
The best cuts of beef for roasting are the eye fillet, rib eye (on the bone or boneless fillet), sirloin or rump. When choosing your beef cut in store, look out for: A moderate covering of fat on cuts such as sirloin or rump – which will add delicious flavour and prevent the meat from drying out during cooking.
Rump roast is extra lean meat, specifically a triangular cut in the upper part of a cow's hindquarters near the loin. Since rump roast comes from an area a cow uses regularly, the surrounding muscles add to its tough connective tissue.
Sirloin Steak Overview: Sirloin steak comes from the cow's rear back portion. This cut is leaner than ribeye, meaning it has less fat. Because it has less fat, sirloin steak is firmer in texture and can be a bit tougher.
Filet Mignon — The Undisputed King of Tenderness
If tenderness is your top priority, the filet mignon is the cut for you.
Ribeye Steak: Taken straight from the rib section, this indelible half fat, half protein cut of steak has 10 grams more fat than the T-bone steak and 3 grams less protein, making it the least healthy cut on this list. But according to Livestrong, if you broil your ribeye steak, the fat content will drip away.
Beef Ribeye
An 11-ounce portion of ribeye contains 54 grams of fat, or 83% daily value. (4) Not only is beef ribeye one of the more affordable fatty meats, but it's also easily accessible, and a favorite of many. Using beef as a staple for a ketogenic diet often makes it possible to succeed.
Chuck-eye steaks are also known as “The Poor Man's Ribeye” because of their lower price. Chuck-eyes are a continuation of the Rib-eye muscle as it extends into the shoulder. Extra beefy flavor and lower price make this cut an amazing every day eating experience.
Chuck roast comes from the forequarter—the front of the cow. It can come from the neck, shoulder blade, and upper arm areas. Meanwhile, beef brisket comes from the breast and lower chest area.
The most unhealthy meats are processed meats (bacon, hot dogs, salami, deli meats) due to high salt, fat, and preservatives (nitrates/nitrites) linked to cancer, heart disease, and diabetes; followed by fatty red meats (beef, lamb, pork) and charred/burnt meats cooked at high temperatures, which form carcinogens; while even poultry becomes unhealthy with skin, heavy breading, and high sodium.
Although its name suggests otherwise, this cut comes from the Round primal, and is found on the front end of the rear leg. Often fabricated into roasts, which are great when braised, but can also be cut into steaks or used for Ground Beef. Also known as Knuckle and formerly known as Round Tip.
the Leanest and Healthiest Cut. Sirloin steak, on the other hand, tends to cost more than Rump steak and is taken from the middle back of the animal. Sirloin is well marbled with fat which gives it flavour and makes it nice and juicy.
What is the main difference between ribeye and striploin? The main difference lies in the level of marbling and fat content. Ribeye is known for its high marbling, resulting in a more tender and flavorful steak, while striploin has a leaner profile with a bold beefy flavour.
The chuck roast is more fatty, so it will have more flavor and be more tender. The rump roast is more lean but you can cook it in a crockpot and it will be firm but tender. The texture of the 2 are very different so it is going to depend on which you prefer.
For roasts, the best cuts include rib (on the bone or boned and rolled), sirloin, top rump and fillet. For quick cooking, try fillet, entrecôte, rib eye, sirloin or rump steaks. Brisket, topside and silverside are good for pot roasts, and stewing and braising steak are good for stews and casseroles.
If you seek more flavor, chuck roast is the way to go. If you prefer a leaner cut, opt for a rump roast. Either way, slow cooking can turn both into delectable dishes.
In Australia, a ribeye steak is most commonly called a Scotch fillet, though sometimes it's still referred to as ribeye, especially the bone-in versions which might also be called a Cattleman's Cutlet. Both names refer to the tender, well-marbled cut from the rib section, known for its rich flavour and juiciness.
The best meat for pot roast is a beef cut with lots of connective tissue (collagen), such as chuck roast, beef brisket or bottom round roast. These tougher, cheaper cuts of beef lend themselves to the long, slow-braising process that yields fall-apart tender pot roast.
For overall satisfaction and value, ALDI often wins for chicken, lamb, fish, and seafood, while Costco generally leads for beef and pork, according to recent Australian consumer surveys (2024-2025) by Canstar Blue and other retail reports. However, quality can vary, and many suggest checking the meat's appearance (freshness, colour) rather than relying solely on the brand name for the best cuts.