Costco Flank Steak: Quality and Value for Meat Lovers

Costco Flank Steak

Costco is a popular destination for grocery shopping for many households in the United States. The store offers a wide range of products, including fresh meat. One of the most popular cuts of beef sold at Costco is flank steak.

Flank steak is a lean and flavorful cut of beef that comes from the abdominal muscles of the cow. It is a versatile cut that can be used in a variety of dishes, such as fajitas, stir-fries, and salads. At Costco, flank steak is available in different grades, including USDA Choice and Kirkland Signature. Each grade offers a different level of marbling, which affects the flavor and tenderness of the meat.

When shopping for flank steak at Costco, it is important to consider the amount of meat needed, as the store sells flank steak in bulk. Additionally, it is important to properly store and cook the meat to ensure it is safe to eat and retains its flavor and tenderness. With the right preparation, Costco flank steak can be a delicious and affordable addition to any meal.

Costco Flank Steak

Nutritional Profile Costco Flank Steak

Caloric Content

A 3-ounce serving of Costco flank steak contains approximately 198 calories [1]. This serving size provides 9.9% of the recommended daily caloric intake based on a 2000-calorie diet.


Costco flank steak is a good source of protein and fat. A 3-ounce serving provides 22 grams of protein and 12 grams of fat [1]. The fat content includes 5 grams of saturated fat, 1 gram of polyunsaturated fat, and 6 grams of monounsaturated fat.

Vitamins and Minerals

Costco flank steak is a good source of several essential vitamins and minerals. A 3-ounce serving provides 15% of the recommended daily intake of iron and 10% of the recommended daily intake of vitamin B6 [1]. It also contains small amounts of other vitamins and minerals, including vitamin B12, niacin, phosphorus, and zinc.

Overall, Costco flank steak is a good source of protein, fat, iron, and vitamin B6. It can be a healthy addition to a balanced diet when consumed in moderation.

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Preparation Tips Costco Flank Steak

Marinating Techniques

Marinating the Costco flank steak is a great way to add flavor and tenderness to the meat. There are many different marinade recipes to choose from, but most of them include an acidic ingredient like vinegar or citrus juice, oil, and seasonings.

To marinate the steak, place it in a large resealable plastic bag with the marinade and refrigerate for at least 2 hours or overnight. Make sure to massage the marinade into the meat to ensure that it is evenly coated.

One popular marinade recipe for Costco flank steak is a combination of soy sauce, brown sugar, garlic, and ginger. This sweet and savory marinade is perfect for grilling the steak to perfection.

Cooking Methods

There are several different cooking methods that can be used to prepare Costco flank steak, depending on personal preference and equipment available.

Grilling is a popular method for cooking flank steak, as it imparts a smoky flavor and adds charred marks. Preheat the grill to high heat and cook the steak for 4-5 minutes per side for medium-rare doneness.

Another option is to broil the steak in the oven. Rub the steak with olive oil, season it with salt and pepper, and slide it onto a foil-lined sheet pan for easy cleanup. Then just broil it until it’s medium-rare, 6 to 8 minutes.

Finally, slow-cooking the flank steak is an excellent option for those who want a tender, melt-in-your-mouth texture. Simply place the steak in a slow cooker with your choice of vegetables and seasonings and cook on low for 6-8 hours.

No matter which cooking method is chosen, make sure to let the steak rest for a few minutes before slicing to allow the juices to redistribute evenly.

Preparation Tips Costco Flank Steak

Costco’s Flank Steak Quality

Sourcing Practices

Costco is known for its high-quality meat products, and their flank steak is no exception. The company sources its beef from trusted suppliers who adhere to strict standards for quality and safety. Costco’s flank steak is made from USDA Choice beef, which is known for its superior taste and tenderness. This grade of beef is also less expensive than USDA Prime, making it an affordable option for those who want high-quality meat without breaking the bank.

Packaging and Freshness

Costco’s flank steak comes in vacuum-sealed packaging that helps to preserve its freshness and flavor. The packaging also makes it easy to store the meat in the refrigerator or freezer. Additionally, the flank steak is typically sold in large quantities, which is perfect for families or those who like to meal prep. The meat is always fresh and has a bright red color, which is a sign of its quality.

Overall, Costco’s flank steak is a great option for those who want high-quality meat at an affordable price. The company’s strict sourcing practices and vacuum-sealed packaging ensure that the meat is fresh and flavorful. Whether you’re grilling, broiling, or sautéing, Costco’s flank steak is a versatile cut of meat that is sure to impress.

Purchasing Guide

Price Comparison

When it comes to purchasing flank steak, Costco offers competitive prices for its members. As of December 2023, Costco offers two options for purchasing flank steak. The first option is a 12 lb. USDA Choice Grade Flank Steak available at Costcobusinessdelivery for $119, which comes out to $9.90 per lb. The second option is the Kirkland Signature USDA Choice Grade Flank Steak, which is available via Instacart. The prices for this option may vary depending on your location and availability.

To ensure that you are getting the best deal, it is recommended to compare Costco’s prices with other retailers. However, keep in mind that Costco’s prices may be lower due to their bulk purchasing power.

Membership Advantages

To purchase flank steak from Costco, you must be a member. Costco offers two types of memberships: Gold Star and Executive. The Gold Star membership costs $60 per year, while the Executive membership costs $120 per year.

The Executive membership offers additional benefits, such as an annual 2% reward on eligible Costco purchases, which can potentially offset the cost of the membership. Additionally, Executive members receive extra benefits on services such as travel and auto purchases.

Overall, if you plan on purchasing flank steak and other items in bulk, a Costco membership may be worth the investment. However, if you do not plan on purchasing items in bulk, it may not be the most cost-effective option.

Purchasing Guide

FAQ Costco Flank Steak

What promotions are available for flank steak at Costco this week?

Costco offers weekly promotions on a variety of products, including flank steak. However, these promotions can vary by location and are subject to change. Customers can check their local Costco flyer or visit the Costco website for current promotions on flank steak.

How does Costco's flank steak compare to Sam's Club and Safeway in terms of quality and price?

Costco's flank steak is known for its high quality and competitive price. In comparison to Sam's Club and Safeway, Costco's flank steak is often considered to be of superior quality and is priced similarly or lower. However, it is important to note that prices and quality can vary by location.

What is the typical price range for flank steak at Costco?

The price of flank steak at Costco can vary depending on the location and the grade of the meat. On average, customers can expect to pay between $8 to $12 per pound for flank steak at Costco. Customers can also purchase larger quantities of flank steak at a discounted price.

Are there any special marinades or preparations for flank steak exclusive to Costco?

Costco offers a variety of marinades and seasonings for flank steak, but there are no exclusive marinades or preparations that are only available at Costco. Customers can also choose to marinate their flank steak with their own preferred ingredients.

Can customers find both flank and skirt steak options at Costco?

Yes, customers can find both flank and skirt steak options at Costco. While both cuts of meat are similar in texture and flavor, flank steak is typically leaner and thicker than skirt steak.

What is considered the best cut of steak available at Costco?

The best cut of steak available at Costco can vary depending on personal preference and intended use. However, Costco is known for offering high-quality cuts of meat, including ribeye, filet mignon, and New York strip steak.

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