Beef Explained: Cuts, Grades, and How to Cook It

Beef is the meat most people cook most often, and also the one they most often get wrong. The difference between a great steak and a tough, gray one is rarely the beef itself. It is knowing which cut you have and how it wants to be cooked. A tenderloin and a chuck roast come from the same animal, but one wants a two-minute sear and the other wants three hours in a pot. Learn the map, and beef stops being a gamble.

This guide covers what beef is, the eight primal cuts and how each likes to be cooked, grades and aging, safe temperatures, and how to buy beef worth the money. If you already know your cut, jump to the beef primals guide.

What beef is

Beef comes from cattle, usually steers and heifers raised to somewhere between eighteen months and three years. What ends up on your plate depends on breed, age, diet, and how the meat is aged. Grain-finished beef, the American standard, is richly marbled, mild, and buttery. Grass-fed beef is leaner, firmer, and more mineral and beefy in flavor, with a diet closer to what cattle evolved to eat. Neither is wrong, but they cook a little differently, and grass-fed from a good farm is what we reach for most.

What beef tastes like

Rich, savory, and deeply meaty, with flavor that comes from both the fat and the way it is aged. Marbling, the thin threads of fat within the muscle, melts as it cooks and carries much of that flavor and juiciness. Dry-aged beef develops a nutty, almost funky depth, while grass-fed beef tastes cleaner and more mineral. The working cuts like chuck and brisket are the most deeply flavored, while the tender loin cuts are milder and prized for texture.

The eight beef primals

Beef breaks into eight working sections. Learn where each sits and you will know how to cook it.

• Chuck: the hard-working front shoulder, deeply flavored. Braises, pot roasts, and the best ground beef.
• Rib: the ribeye and prime rib. Tender, marbled, and premium, cooked hot or roasted.
• Loin: strip, tenderloin, and top sirloin. The tender, quick-cooking steaks.
• Round: the lean rear leg. Roasts, thin steaks, and lean ground beef.
• Brisket: the breast, all connective tissue. Low and slow, smoked or braised.
• Plate: the belly, home of skirt and short ribs. Bold flavor, grill or braise.
• Flank: the lean underside, the flank steak. Marinate, grill hot, slice thin.
• Shank: the lower leg, rich in collagen. Braises and stocks.

How to cook beef

Match method to cut. The tender group, the rib and loin, wants fast, hot, dry heat: sear a ribeye or a strip in a screaming cast iron pan, or roast a prime rib. Pull steaks at 130F to 135F for medium-rare and rest them. Our Thermapen makes that call precise. The tough group, chuck, brisket, plate, shank, and round, is dense with connective tissue that only softens with long, low, moist heat. Braise a chuck roast, smoke a brisket, or simmer shanks until the collagen turns to gelatin. We braise and roast in metal or enameled cast iron, never plastic. Our guides on pan searing, reverse sear, roasting, braising, and smoking all apply directly to beef.

Grades and aging

In the US, beef is graded mostly on marbling. Prime has the most and is the richest, Choice is the everyday standard, and Select is leaner and less forgiving. Aging concentrates flavor and tenderizes: wet aging in vacuum packaging is common and mild, while dry aging in controlled air builds a deep, nutty character and a firmer texture over weeks. Grass-fed beef is often ungraded but can be superb, judged on the farm rather than the marbling scale.

Safe beef temperatures

Cook whole cuts, steaks and roasts, to your preferred doneness: 120F to 125F for rare, 130F to 135F for medium-rare, 140F to 145F for medium, and rest them. Ground beef should reach 160F, since grinding spreads any surface bacteria through the meat. Braised cuts like chuck and brisket are done for texture, not a low temperature, which happens well past 195F when the collagen has broken down.

How to buy beef

Look for beef that is bright to deep red, firm, and, for the tender cuts, well marbled with fine threads of fat. Grass-fed beef is leaner and darker. Choose the cut to match your method, and do not pay for a tender premium cut you plan to braise, or expect a lean round to sear like a ribeye. Ask about grade, aging, and how the cattle were raised. To find grass-fed beef near you, use our Find a Farmer directory.

Frequently asked questions

What is the most tender cut of beef?

The tenderloin, from the loin, is the most tender. The rib and the rest of the loin are also tender. These are the quick-cooking, premium cuts.

What temperature should steak be cooked to?

Medium-rare is 130F to 135F, medium is 140F to 145F. Pull the steak a few degrees early and rest it, since carryover heat keeps cooking it.

What is the difference between grass-fed and grain-fed beef?

Grain-finished beef is more marbled, milder, and buttery. Grass-fed beef is leaner, firmer, and more mineral and beefy. Both can be excellent.

Which beef cut is best for slow cooking?

The chuck, brisket, and shank. All are rich in connective tissue that turns tender and gives body to a braise or a stew over long, gentle heat.

A note on marbling and fat

More than any other factor, marbling shapes how a beef cut cooks and tastes. Those fine threads of intramuscular fat melt as the meat heats, basting it from within and carrying much of the flavor and juiciness. It is why a well-marbled ribeye stays succulent through a hard sear while a lean round dries out if you look at it wrong. Grass-fed beef carries less marbling but more mineral flavor, so it rewards a gentler hand and a lower final temperature. When you shop, let the marbling guide the method: heavily marbled cuts take high heat well, while lean cuts want either quick cooking to a rosy center or a long, moist braise.

Storage and leftovers

Keep fresh beef in the coldest part of the fridge and cook steaks and roasts within three to five days, ground beef within a day or two, or freeze well wrapped for up to a year. Thaw in the fridge, not on the counter. Cooked beef keeps three to four days sealed. Slice leftover steak thin against the grain for sandwiches and salads, and reheat braises gently in their own sauce, where they often taste even better the next day.

Learn more

See the full beef primals guide, browse our recipes and cooking guides, or find grass-fed beef with Find a Farmer.