The Cut

What Is Tri Tip?

Tri tip is a triangular muscle cut from the bottom sirloin subprimal, sitting at the junction where the sirloin meets the round and the flank. It’s a single muscle — the tensor fasciae latae — which means it has a consistent grain and cooks evenly when handled right. A whole, untrimmed tri tip typically weighs between 2½ and 4 pounds.

The cut sits low on the steer, just above the knee joint. It does real work during the animal’s life, which gives it deep beefy flavor, but it’s not as heavily exercised as the round or the shank, so it stays tender enough to grill hot and fast or smoke low and slow. That balance of flavor and tenderness is what makes tri tip special.

Each steer produces exactly two tri tips — one per side. That relative scarcity, combined with the fact that most of the country didn’t even know the cut existed until recently, kept tri tip a California secret for decades.

A California Original

The culture of cooking beef over red oak fires on the Central Coast goes back to the Spanish-era ranchos of the 1800s. Vaqueros and rancheros would butcher cattle and roast large cuts over pits of red oak coals for community gatherings — a tradition that predates every other regional barbecue style in the United States.

The cut we call “tri tip” got its modern name in the 1950s, most commonly attributed to Bob Schutz at a Santa Maria Safeway, who began marketing the triangular roast by name rather than grinding it into hamburger. The Santa Maria Valley ran with it. Local ranchers, butchers, and grill cooks refined the technique: season simply with salt, pepper, and garlic, cook over red oak, slice against the grain, and serve with pinquito beans, salsa, and garlic bread.

For most of the 20th century, tri tip was nearly impossible to find outside California. Butchers in the rest of the country broke the bottom sirloin into different cuts or ground it. That’s changed. Today tri tip has a national following, but the heart of the tradition is still the Central Coast.

Anatomy of the Cut

Understanding the physical shape of a tri tip helps you cook it better and slice it correctly.

The Triangle Shape

Tri tip is roughly triangular with three distinct corners: a thick end (the “heel”), a thin tapered point, and a middle corner. The thick end can be nearly twice as thick as the point, which is why managing heat zones matters during the cook. The thick end will finish medium-rare while the thin end runs closer to medium — a feature, not a bug, since it gives you slices at different doneness levels to serve everyone at the table.

The Grain

Tri tip has a grain that changes direction roughly through the center of the cut. The fibers run one way on the thick end and arc in a different direction toward the point. This is the single most important thing to understand about tri tip. If you slice with the grain instead of against it, even a perfectly cooked tri tip will be chewy. The solution: cut the roast in half roughly through the middle where the grain shifts, then slice each half perpendicular to its own grain direction.

The Fat Cap

One side of the tri tip is covered by a layer of fat — the fat cap. Some cooks leave it on for moisture and flavor, trimming it down to about ¼ inch. Others remove it entirely so the rub makes direct contact with the meat. Both approaches work. If you’re smoking, the fat cap helps protect the meat during the long cook. If you’re grilling hot and fast, trimming it off gives you a better sear and crust.

What to Look for at the Counter

Marbling

Look for even white flecks of intramuscular fat distributed throughout the meat. Good marbling means the fat renders during cooking and bastes the meat from the inside, keeping it juicy. Avoid cuts that are very lean with almost no visible fat — they’ll dry out quickly, especially at higher temperatures.

Color

Fresh tri tip should be a deep, rich red — not brown, not gray, not bright cherry red (which can indicate gas packaging). A slight purple tint from vacuum packaging (cryovac) is normal and will bloom to red once exposed to air for 15–20 minutes.

Size and Thickness

A good tri tip for the grill runs 2½ to 3½ pounds and is at least 2 inches thick at the heel. Anything under 2 pounds has likely been over-trimmed, which means less fat, less moisture, and less margin for error. If you have a choice, go bigger — a thicker roast gives you more control over internal temperature and a better crust-to-center ratio.

The Silver Skin

Check the non-fat-cap side of the tri tip for silver skin — a thin, translucent membrane of connective tissue. It doesn’t render or break down during cooking and will make the surface tough and chewy. A good butcher will have removed most of it, but if you see patches, peel them off with a sharp knife before seasoning.

USDA Grades

Beef grading is based primarily on marbling and the maturity of the animal. For tri tip, grade matters.

Select

Minimal marbling. Lean and prone to drying out. Fine for thin-sliced deli applications but not ideal for grilling or smoking a whole roast.

Choice

Moderate marbling. This is the sweet spot for most cooks — good flavor, reasonable price, and forgiving enough for a range of cooking methods. The majority of tri tip you’ll find at a quality butcher or grocery store is Choice.

Prime

Abundant marbling. Rich, buttery, and extremely forgiving. Prime tri tip is harder to find and costs more, but the difference is noticeable. If you’re cooking for an occasion, it’s worth seeking out.

Wagyu / American Wagyu

Intense marbling from Wagyu genetics. The fat content is high enough that it almost cooks differently — richer, more unctuous, with a softer texture. Treat it as a special-occasion cut and don’t overcook it.

Where to Buy

The Butcher Shop

Your best bet. A good butcher can source specific grades, cut to your preferred size, and trim to order. Ask for an untrimmed or lightly trimmed whole tri tip so you have control over the fat cap. Build a relationship — butchers who know you’ll come back tend to set aside better cuts.

Grocery Stores

Major chains in California stock tri tip year-round. Outside California, availability varies. Costco consistently carries Choice tri tip at a good price-per-pound and the quality is reliable. Look for cryovac-packed whole roasts rather than pre-trimmed or pre-seasoned cuts, which often use lower-grade meat.

Online

Several ranches and online butchers ship tri tip nationwide. This is the best option if you want Prime or Wagyu and don’t have a local source. Expect to pay more for shipping, but the quality can be outstanding. Snake River Farms, Porter Road, and Crowd Cow are reputable options, among others.

Direct from Ranches

If you’re in California, buying direct from a ranch — especially on the Central Coast — gets you the freshest meat with full traceability. Many ranches sell individual cuts at farmers’ markets or through their own websites. You’ll know exactly where the beef came from, how it was raised, and when it was processed.

Prep Before the Cook

Trimming

If your tri tip came untrimmed, decide how you want to handle the fat cap. For smoking, trim it to about ¼ inch. For grilling, you can go thinner or remove it entirely. Remove any silver skin from the bottom side. Trim any loose flaps or hanging pieces that would burn before the rest of the roast is done.

Temper the Meat

Pull the tri tip from the fridge 45 minutes to an hour before cooking. A room-temperature roast cooks more evenly than a cold one straight from the fridge. This is especially important for thicker cuts where the temperature gradient from surface to center is more pronounced.

Dry Brine

For the best results, salt the tri tip generously with kosher salt the night before and leave it uncovered on a wire rack in the fridge. The salt draws moisture to the surface, dissolves, and is reabsorbed into the meat, seasoning it deeply and improving the texture. The uncovered fridge time also dries the surface, which means a better sear and crust.