Beef, ground, 70% lean meat / 30% fat, patty cooked, pan‑broiled

Beef ground 70% lean / 30% fat refers to a specific ratio of lean meat to fat in ground beef. The first number — 70% — represents the proportion of lean beef muscle, while the second number — 30% — represents fat. Ground beef with this ratio has been a staple in many cuisines, especially American burgers and comfort dishes, because the higher fat content contributes robust flavor and juiciness, especially in cooking methods like pan‑broiling or grilling. Historically, ground beef became popular in the United States in the late 19th and early 20th centuries as industrialization enabled more mechanized meat processing. The hamburger, in particular, emerged as an iconic food, believed to have originated at the 1904 St. Louis World’s Fair. Over time, different lean‑to‑fat ratios have been marketed to meet consumer preferences and dietary trends. The 70/30 ratio is one of the higher‑fat blends, often favored for its taste and texture when used in burgers, meatballs, meatloaf, and similar preparations. Unlike leaner ground beef (such as 90/10 or 95/5), the 70/30 blend contains a higher proportion of intramuscular and external fat mixed throughout the mince. This influences not only culinary behavior but also nutritional outcomes: fat is a dense source of calories, contributing to richer mouthfeel and helping to carry fat‑soluble flavors during cooking. Ground beef can also be labeled by the cut used — chuck, round, sirloin, or combinations — which affects slightly the overall nutrient composition. Varieties beyond ground beef patty include ground chuck, ground round, and ground sirloin, which are distinguished by the primal cut from which the muscle is sourced. Ground chuck is generally richer in flavor due to moderate fat, while ground round tends to be leaner but sometimes drier. Ground beef 70/30 is often a mix of cuts to achieve a targeted fat content, which in commercial settings is regulated by quality standards to ensure the labeling accurately reflects fat percentage. The cultural role of beef, especially ground beef, varies globally. In the U.S., it is central to fast food culture and backyard barbecues, whereas in European cuisines it may be used in sauces or meatloaves. Its popularity stems from accessibility, versatility, and a balance of nutrients that support protein and micronutrient needs, though modern dietary guidance often suggests balancing such meats with leaner proteins and plant‑based foods for health optimization.

A cooked 100 g beef ground 70/30 patty provides 238 kcal, making it a relatively energy‑dense food primarily due to fat content. With 22.86 g of protein, it supplies all essential amino acids, supporting muscle protein synthesis and maintenance. Ground beef is considered a complete protein because it contains all nine essential amino acids in ratios efficient for human use. This includes leucine, isoleucine and valine — key branched‑chain amino acids important for muscle repair. The total fat content of 15.54 g is significant, with 6.075 g of saturated fat. Saturated fat has been historically linked to elevated LDL cholesterol, a factor in atherosclerosis. Trans fats (1.27 g) — though naturally occurring at low levels in beef — also contribute to cardiovascular risk when consumed frequently. However, beef also provides monounsaturated fats, which may help balance lipid profiles when eaten in moderation. Beef is rich in micronutrients uncommon in many plant foods. For example, this patty contains 2.41 mg of iron, primarily in the form of highly bioavailable heme iron. Heme iron is absorbed more efficiently than non‑heme iron from plants and helps prevent iron‑deficiency anemia, especially in populations at risk such as menstruating women. Similarly, 5.8 mg of zinc supports immune function, DNA synthesis, and wound healing. Zinc deficiency is common in diets low in animal foods. Other B vitamins are present in meaningful amounts. Vitamin B12 (2.79 µg) is essential for nerve health and red blood cell formation and is found almost exclusively in animal products. This makes ground beef a critical source for people who do not consume fortified foods or supplements. Niacin, riboflavin, pantothenic acid, and vitamin B6 all contribute to energy metabolism and neurological health. Minerals like phosphorus (194 mg) and selenium (19.2 µg) support bone health, antioxidant defenses, and thyroid function. Potassium (308 mg) plays a role in fluid balance and vascular health. While beef contains no dietary fiber or significant carbohydrates, its nutrient density for protein and micronutrients makes it a valuable component of mixed meals. Compared to leaner ground beef, 70/30 yields more calories and fat. For example, an 85 g serving of 90/10 ground beef cooked typically contains fewer calories and saturated fat but similar protein. Those monitoring calorie or saturated fat intake may choose leaner options to align with heart‑healthy or weight‑management goals. Regardless of ratio, cooking method affects nutrient retention: overcooking can reduce B vitamin content, whereas moderate pan‑broiling or grilling preserves most micronutrients while allowing fat to render off.

Source: USDA FoodData Central (FDC ID: 168650)