How to Cook Costco Ribs

How to Cook Costco Ribs

Cooking Costco ribs can be intimidating, but with a few simple tricks and tips, anyone can know how to cook Costco ribs in their kitchen. Whether you’re looking for fall-off-the-bone tenderness or a zesty marinade to impress guests, Costco ribs are the perfect blank canvas for creativity.

You can transform ordinary ribs into an extraordinary meal with a few essential ingredients. So roll up your sleeves and get ready to make some mouth-watering Costco ribs. Here’s everything you need to know about how to cook them.

How to Cook Costco Ribs

Ingredients Needed to Cook Costco Ribs

The first step to making delicious Costco ribs is gathering the necessary ingredients. Depending on your tastes, these can vary but typically include pork ribs, cooking oil, and seasonings like salt and pepper. Other items sometimes used in marinades or glazes include garlic, onion powder, honey, and soy sauce.

Equipment (Kitchen Tools) Needed to Cook Costco Ribs

The second step to cooking Costco ribs is to prepare the necessary equipment. Common kitchen tools include a cutting board, sharp knife, large roasting pan or baking dish, and aluminum foil. You may also want to have a thermometer handy to ensure the internal temperature of your ribs reaches the correct temperature for safe consumption.

Preparation (Instructions) Needed to Cook Costco Ribs

Once you have all of your ingredients, it’s time to prepare the ribs. Start by removing excess fat from the meat and gently washing it under cold running water. Pat them dry with a paper towel and lightly season both sides of each rib with salt and pepper.

If you are using a marinade or glaze, now is the time to apply it. Place the ribs in a large dish and pour your desired marinade over them. Make sure all of the rib surfaces are coated with an even layer. Cover the dish with plastic wrap and refrigerate for at least 30 minutes overnight.

Cooking the Ribs

Once the ribs have been marinated and prepared, it’s time to cook them. Preheat your oven to 350F and place a rack inside a roasting pan or baking dish. Arrange the ribs on the rack, so they do not touch each other. Place any marinade that was left over in the baking dish and bake for 1.5 to 2 hours, or until the meat is tender and starting to pull away from the bone.

How to Cook Costco Ribs

If you want to add extra flavor, brush a glaze onto the ribs during the last 10 minutes of cooking time. Once they are done, remove them from the oven and let them rest for 10 minutes before serving.

Saucing or Glazing Instructions

If you would like to add a glaze or sauce to your ribs, it is best to do so at the end of cooking. Mix your desired ingredients in a small bowl until they are combined. Take the cooked ribs out of the oven and brush them with the glaze using a pastry brush. Place them back into the oven for an additional 10 minutes so the glaze can caramelize.

Total Time Required to Cook Costco Ribs 

Cooking Costco ribs takes approximately 2.5 to 3 hours, depending on how you prepare and glaze them. This includes the time they marinate, cook in the oven, and caramelize with a glaze. Once your Costco ribs are finished cooking, it’s time to dig in and enjoy. 

Serve them with your favorite side dishes or as part of a meal. With the right ingredients and cooking techniques, you can make delicious Costco ribs that will please even the pickiest of eaters.

Serving Suggestions

Once your ribs are cooked to perfection, it’s time to serve them. Delicious Costco ribs can be served as is or with side dishes like coleslaw, potato salad, or macaroni and cheese. 

They can also be served as part of a larger meal with roasted vegetables, grilled chicken, or pasta dishes. No matter how you decide to serve them, your guests will love the flavor and tenderness of Costco ribs.

Serving Size 

Costco ribs typically come as a 3-pound rack, enough to feed 4-6 people. If you are serving larger groups, it is recommended that you purchase two racks so everyone can enjoy the deliciousness of Costco ribs.

Methods For Resting And Cutting The Cooked Ribs For Serving

Once the ribs are cooked and glazed, let them rest for 10 minutes before cutting. This will allow the juices to settle and make them easier to cut. To cut your ribs for serving, place them on a cutting board with the bone side up. 

Using a sharp knife, carefully slice between each rib so you can easily separate them into sections. Serve them as-is or with your favorite side dishes and condiments.

Storage & Handling

Any leftover cooked Costco ribs should be stored in an airtight container in the refrigerator and eaten within 3 days. If you want to freeze them, ensure they are wrapped securely so that no air can get in. Frozen cooked ribs will keep for up to 6 months when stored correctly.

When reheating your Costco ribs, it is best to do so in the oven or grill. This will ensure that they are heated evenly and retain their moisture. If necessary, you can also microwave them for a few seconds but be careful not to overcook them, as this can cause them to dry out.

Nutrition Facts

Costco ribs are a great source of protein and provide vitamins B-6, magnesium, iron, and phosphorus. One 3-pound rack contains approximately 1,400 calories and 126 grams of fat. Since the cooking process involves using marinades or glazes high in sugar and sodium, it is best to opt for healthier options like olive oil or fruit-based glazes.

How to Cook Costco Ribs

Costco ribs are an excellent choice for those looking to add more lean protein to their diet. They contain virtually no carbohydrates and are high in essential minerals like iron, magnesium, and phosphorus. When cooked correctly, they can provide an excellent source of lean protein that is both delicious and nutritious.


Costco ribs can be a delicious and healthy addition to any meal. With the right ingredients and cooking techniques, you can make a flavorful and tender dish that will please even the pickiest of eaters. Use the tips provided in this article to create the perfect Costco ribs for your next meal!

And remember to enjoy the leftovers! With some proper storage and handling techniques, you can enjoy your leftover Costco ribs later. Reheat them in the oven or on the grill and serve them with your favorite side dishes to make a meal that is sure to delight.


How long to cook Costco pre-cooked ribs?

It depends on the glaze or marinades you use. Generally, it takes about 2.5 to 3 hours for pre-cooked ribs to cook in the oven. If you’re cooking them on the stovetop, it can take closer to 4 hours.

How to cook Costco-seasoned ribs in the oven?

First, preheat your oven to 350°F. Place the ribs on a baking sheet lined with aluminum foil and brush them with your favorite glaze or marinade. Bake the ribs for 2.5-3 hours, brushing periodically with more glaze or marinade while they cook. Let them rest for 10 minutes before serving.

Can Costco ribs be frozen?

Yes, you can freeze cooked Costco ribs. Wrap them securely in plastic wrap or aluminum foil to ensure the ribs are airtight. Frozen cooked ribs will keep for up to 6 months when stored correctly.

How to BBQ Costco ribs?

Prepare your grill and preheat it to medium-high heat. Place the ribs on the grill, brush with glaze or marinade, and cook for approximately 30 minutes, flipping and brushing occasionally. When done cooking, let them rest for 10 minutes before serving.

5. Are Costco ribs fully cooked?

Yes, Costco ribs are pre-cooked, so you only need to heat them before serving. To heat them, cook them in the oven for 2.5-3 hours or on the grill for 30 minutes. Let the ribs rest for 10 minutes before cutting and serving. 

6. Can you cook Costco ribs in the microwave?

Yes, although it is not recommended, as this can cause them to dry out. If you choose to microwave them, ensure to only heat them for a few seconds at a time until they are hot enough.

7. Should you cook ribs covered or uncovered in the oven?

It is generally best to cook ribs uncovered in the oven. This allows the heat to circulate the ribs and helps them crisp up. If you use a glaze or marinade, brush it over the ribs periodically as they cook.

Denzil Otieno

Denzil is a freelance content marketer with an eye for detail and a knack for making even the driest of topics interesting. He's worked with some of the biggest brands in the world, but he's not one to rest on his laurels - he's always looking for new challenges and ways to improve his skills. In his spare time, Denzil enjoys reading (especially anything by Terry Pratchett), watching films (he has a soft spot for 80s action movies) and spending time with his wife and two cats.

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