Costco Kirkland Signature Lean Sirloin Beef Patties Review

Costco has two different kinds of Kirkland Signature beef patties: the uncooked lean sirloin patties, and the uncooked lean ground beef patties. Which one is healthier? More flavorful? Cheaper? Today I’m covering everything you need to know about the Costco sirloin burgers!

Kirkland Signature Uncooked Lean Sirloin Beef Patties on a table.
Costco Kirkland Signature Uncooked Lean Sirloin Beef Patties

My favorite burgers in the world are my mom’s homemade burgers. Unfortunately, neither my husband nor I make burgers from scratch, so these Costco Kirkland Signature Uncooked Lean Sirloin Beef Patties are our go-to hamburger patties when we barbecue burgers at home.

Other burgers from Costco are the Costco Kirkland Signature Lean Ground Beef Patties, Costco Beyond Meat Burgers, Costco Trident Wild Pacific Pink Salmon Burgers, Costco The Keg Prime Rib Beef Burgers and the Costco Kirkland Signature Chicken Burger Meal Kit.

Location in Store

You can find the frozen burgers at Costco in the freezer aisle, near the frozen chicken wings. The item number is 296549.


The sirloin beef burgers from Costco have one ingredient, sirloin beef. Yep, that’s it. No salt, no fillers, no seasoning. The lack of fillers and seasonings isn’t a problem in my opinion because the patties use high-quality sirloin beef. Another advantage of the simplicity of these burgers is that you can season them to your taste. I add a bit of seasoning and sometimes some barbecue sauce as well.

Image of one Costco beef sirloin patty frozen still and on a white plate.
Ready to be seasoned and barbecued!

You probably do need to season these burgers, because they’ll taste a bit bland if you don’t. I don’t taste a ton of fat in the Kirkland Signature Lean Sirloin Beef Patties, but there’s enough in my opinion. I’ve never found them dry (unless it was from us overcooking them!). Finally, I don’t think they contain as much gristle or random hard chunks as some other frozen burgers seem to. The meat is consistently good quality.

How amazing does this burger look?!

I’ve tried the Costco Kirkland Signature Lean Ground Beef Patties and I much prefer these lean sirloin patties. They’re a little less flavorful out of the bag, but there’s less gristle and fat for sure.


For $26.99, you get 18 Costco Kirkland Signature Lean Sirloin Beef Patties.


The patties come in a bag and the patties are stacked one on top of the other with paper in between. If you want to just cook one burger for yourself, you totally can. Unfortunately, I have found the burgers can freeze together pretty badly sometimes. It can be hard to get the right number out, but careful yet forceful use of a butter knife usually gets the job done.

Closeup image of the front of the bag of the Costco Kirkland Signature Uncooked Lean Sirloin Beef Patties.
Each burger is one-third of a pound!

You have to season and cook these burgers as they don’t come pre-seasoned or pre-cooked. With that being said, hamburgers aren’t exactly the hardest food to cook! The burger patties need to be kept frozen and the best before date is about eight months from the date we purchased them. Another small negative is that the bag isn’t resealable, so you’ll need to tie off your bag or transfer your burgers to an airtight container before you put them back in your freezer.

Costco Kirkland Signature Uncooked Lean Sirloin Beef Burgers ingredients and cooking instructions.
Cooking instructions.



Eating burgers every day is probably not the best thing for you nutritionally. One patty contains 320 calories, 22 grams of fat, three grams of carbohydrates, zero grams of fibre, zero grams of sugar and 26 grams of protein.


There’s only one ingredient in these burgers: sirloin beef. For that reason, these burgers are a healthier choice than some store bought frozen burgers. One benefit of them being unseasoned is that you can easily control how much sodium is in your burger. You can also limit the calories a bit by choosing what you put on your burger. You can even use lettuce as a bun if you’re super health-conscious! Personally, my favorite buns to use are the Costco Kirkland Signature Italian Ciabatta Buns. The fat may seem a little high, but any beef product usually has higher amounts of fat. Some of it cooks off when you barbecue the burgers (or so I tell myself).

Costco Kirkland Signature Uncooked Lean Sirloin Beef Patties nutrition label from package.
Nutrition facts.


Taste: 9/10

Cost: 8.5/10

Convenience: 4/10

Nutrition: 6/10


Must buy!

I think the Costco sirloin burgers are perfect to serve at a summer barbecue or to bring camping! Whenever I see them, I always think of summer and barbecue season. These burgers are in our freezer every summer and both my husband and I really enjoy them.

Do you have a favorite burger from Costco?

Please note that this review was not paid for or sponsored by any third party. This product was purchased by Costcuisine for the purpose of producing this review. The opinions in this review are strictly those of Costcuisine. Costcuisine is not affiliated with Costco or any of its suppliers. In the event that Costcuisine receives compensation for a post from the manufacturer of a product or some other third party, the arrangement will be clearly disclosed (including where the manufacturer of a product provides Costcuisine with a free sample of the product).

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24 thoughts on “Costco Kirkland Signature Lean Sirloin Beef Patties Review”

      • No, it does convert to glucose if there is no other direct carbohydrates to convert first but it’s a slower process and causes less of a blood sugar spike than pure and especially refined carbs. Everything we eat basically gets converted to energy in the form of glucose, even fat, but the rates are different. Excess glucose, however, gets stored as fat in the body.

  1. I also love these frozen patties. I think I got hooked on them during Covid. I was working nights (isolated in the office) and my Son hadn’t left for college yet, and the only place open after 9PM was Whataburger, which is good, but pricey, and the line was dozens of cars long, all the time, because they were the only place open.

    I made a trip to Costco early on, picked up a pack of these, and found I could have burgers cooked faster than it took just to drive to/from the restaurant, never mind the waiting time. And the burgers are better. Thicker, better patties.

    After thawing in the microwave, I like to lightly coat them with veg. oil, sprinkle on a little Lawrys Seasoned Salt and more McCormick Montreal Steak Seasoning. Cook on high in a lightly oiled frying pan, two minutes to each side twice. On the fourth side, lower heat, top with cheese and cover the pan to melt cheese.

    Regarding carbohydrates — all meat is going to contain carbohydrates. Carbs are simply sugars, cells live by processing sugars. Meat is a bunch of animal cells. Stands to reason there’s going to be some sugars in there. Carbohydrates are also a component of the cells’ membranes.

    If my patties are stuck together, I find a good wack of the side of the stack on the kitchen counter does a good job of separating them.

    I’ve eaten six or eight bags of these and never seen a quality problem. Perhaps different stores handle them differently?

  2. Well we use a butter knife some times to help separate them. If they won’t come apart like that then they may have thawed out and re-frozen somewhere along the line? I would return them and try again with a fresh package that looks better. We thaw ours out usually before barbequing and season with Montreal steak spice, They taste like meat without all the fillers in most other premade burgers.
    Never had a bad experience, however if we did they would go right back to Costco, who are always happy to take returns, if there is an issue.
    They are the only frozen burgers we buy, otherwise we also make some of our own.

  3. I have tried these, but find they fall apart on the grill to easy. They do taste a bit better than the lean burgers, but when they go through the grate, they’re gone.

    • Oh no! That hasn’t happened to use but we have clumsily dropped a few on the deck either before or after cooking!

  4. It is odd that a product made supposedly one ingredient (beef) could have 3 grams of carbohydrate. There are zero carbohydrates in beef. None.

    ThisThis is really worth checking into, and I’m going to do just that.

  5. We have purchased these burgers many times and still do. Taste is great, no problem in separation and grills up great. They go camping with us all the time.

  6. I saw these in the store and passed on them when I saw the ingredients. If they are 100% beef, I don’t understand how they can have 3 grams of carbohydrates.

    • It’s probably on over estimate? Some websites do show 2 carbs for 6 oz of sirloin beef. I am more skeptical about the websites that say there are no carbs in beef no mater how large a portion you enter in the calculator? Meat has very little carbs but it does hove some. We eat these during keto with no problems.

  7. Didn’t even get to cook them. They were completely frozen together, tried everything to separate them,
    they should have double parchment between each one. Am going to return them Ridiculous.

    • So we’ve had this before, usually it’s a sign they’ve thawed and been refrozen. The bags we bring home quick or in cooler weather or not as bad. I’d return and try another bag.

      • Yes that’s what I told Costco Costco told me that they have not heard any bad things on this meat I find that hard to believe So we’re getting meat that was old because this is November and you eat them in August

      • I can’t believe the negative comments on the sirloin burgers. I have purchased dozens of bags of them and have NEVER had a bad one. They are so convenient if you don’t have dinner plans. Just take out of the freezer and throw them on the grill. A little montreal season and you are good to go.

  8. It was soooooo bad , the meat taste like old bad meat .. i tried to cook it in so many ways , on grill , oven , iron cast , even as meat ball … nothing changed , meat taste like old fatty smelly met , I put almost half of it in garbage

    • OMG we just made some and my cat and dog won’t even eat it I couldnt i I threw up I hate to say that something is definitely wrong with that meat I never do reviews like this and I just called the store to tell them to take them off the shelf there’s something wrong with that meat

      • TROLL #2! Perhaps you’d like to make some burgers out of your cat and your dog, I’m sure those would taste better, and much much more enjoyable to you!! You sound like the type! I heard you were friends with Jeffrey Dahmer! Probably ate burgers over at his place regularly! LOL! Obviously, you need to get together with Jason above and have burgers with him, K Smith, you sound like you’re both of the same mindset! MISERABLE AND WHINEY!!


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