Eye of round is the least fatty steak you can buy. A 3-ounce cooked serving contains about 8 grams of total fat and 3 grams of saturated fat, making it leaner than every other common steak cut. It qualifies as “extra lean” under USDA labeling standards, which require less than 5 grams of total fat per 100 grams of cooked meat.
The Leanest Steak Cuts, Ranked
The round section of the cow, which comes from the rear leg, produces the leanest steaks overall. That’s because these muscles do the most work, leaving less room for fat to build up between the fibers. Here’s how the top cuts compare, based on USDA nutrition data for a 3-ounce cooked serving:
- Eye of round steak (roasted): 8g total fat, 3g saturated fat
- Top round steak (broiled): 10g total fat, 3.5g saturated fat
- Bottom round steak (braised): 10g total fat, 4.5g saturated fat
- Top sirloin steak: slightly higher in fat than round cuts but still qualifies as lean
For comparison, a 3-ounce tenderloin (filet mignon) contains 14 grams of total fat and 6 grams of saturated fat. That’s nearly double the eye of round. Ribeye and T-bone steaks climb even higher, often exceeding 18 to 20 grams per serving.
What “Lean” and “Extra Lean” Actually Mean
The USDA has specific legal definitions for these terms. A cut labeled “lean” must contain less than 10 grams of total fat, 4.5 grams of saturated fat, and 95 milligrams of cholesterol per 100 grams. “Extra lean” is a stricter standard: less than 5 grams of total fat, under 2 grams of saturated fat, and the same cholesterol limit. Eye of round comfortably hits the extra-lean threshold. Top round and bottom round typically fall into the lean category.
These labels apply to the raw, untrimmed cut as sold. If you trim visible fat before cooking, you can reduce the numbers further on any cut.
Why USDA Grade Matters as Much as the Cut
Choosing the right cut is only half the equation. The USDA quality grade printed on the package tells you how much marbling (intramuscular fat) is present, and that varies significantly even within the same cut.
There are three grades you’ll see at the store. Prime beef has the most marbling and is fattier overall, though it’s mostly sold to restaurants. Choice is high quality with moderate marbling. Select is the leanest grade, with noticeably less fat woven through the meat. If you’re looking for the absolute lowest-fat steak, pick an eye of round or top round graded Select. You’ll get a meaningfully leaner piece of meat than the same cut graded Choice.
The tradeoff is flavor and tenderness. Marbling is what makes steak juicy and rich-tasting. Select-grade round steaks can be tough and dry if you overcook them, so cooking method matters more with these cuts.
How to Cook Lean Steaks Without Drying Them Out
Lean cuts lose moisture quickly because they lack the internal fat that keeps fattier steaks forgiving. A few techniques help. For eye of round or top round, sear quickly over high heat and pull the steak off at medium-rare to medium (130 to 145°F internal). Going beyond medium turns lean steak chewy. Letting the steak rest for five minutes after cooking allows the juices to redistribute rather than pooling on your cutting board.
Marinating for a few hours before cooking also helps. Acidic marinades with vinegar or citrus break down some of the tough connective tissue and add moisture. Slicing against the grain after cooking shortens the muscle fibers and makes each bite more tender. Bottom round responds well to slow braising in liquid, which compensates for its lack of fat over a longer cook time.
Nutritional Benefits of Lean Steak
Lean beef is one of the most nutrient-dense protein sources available. A 100-gram serving of cooked lean beef delivers roughly 35 grams of protein and 250 calories. Beyond the macros, that same serving provides 77% of your daily zinc, 19% of your daily iron, and more than 100% of your daily vitamin B12. These are nutrients that many people, especially women and older adults, tend to fall short on.
About half the fat in lean beef is monounsaturated fat, the same type found in olive oil. In a 100-gram serving with 10 grams of total fat, roughly 5.2 grams comes from monounsaturated sources.
Grass-Fed vs. Grain-Fed Fat Profiles
Whether the cow ate grass or grain doesn’t dramatically change the total fat content of lean cuts, but it does shift the type of fat you’re eating. A 2025 analysis in the Journal of Animal Science found that grass-fed beef had an omega-6 to omega-3 ratio of about 2:1, compared to 8:1 in grain-fed beef. That’s a significant difference. Higher omega-3 levels are linked to reduced inflammation, and most people already eat too many omega-6 fats from processed foods.
Grass-fed beef also contained roughly twice the conjugated linoleic acid and three to four times more of the omega-3 fatty acids EPA and DPA. On the flip side, grass-fed beef had slightly more saturated fat as a percentage of total fat (51% vs. 48%), though the absolute amount in a lean cut is still small. If you’re choosing lean cuts specifically because you’re watching fat intake, grass-fed offers a better fatty acid balance without adding more total fat to your plate.