Costco dropped some serious new finds this March—and not all are worth the cart space.
From premium pantry upgrades to viral kitchen gadgets and better-for-you swaps, this guide breaks down what shoppers love, what to skip, and what actually delivers real value.
Kirkland Signature Spanish Extra Virgin Olive Oil — $28.49
This single-origin oil is a new premium staple, carrying a P.D.O. (Protected Designation of Origin) stamp from Baena, Spain, which guarantees its authenticity.
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User Feedback: Real users describe it as having a robust, peppery finish and a deep golden color, noting it tastes significantly fresher than standard bulk blends.
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Recommendation: Buy this for finishing dishes or salads. While slightly more expensive than the 3L Kirkland plastic jugs, the quality and antioxidant profile are vastly superior. Kirkland Signature Spanish EVOO
Antico Casa Margherita Pizza — $18.99 (2-Pack)
A highly anticipated launch from the Michelin-approved Atlanta restaurant. It features a 36-hour fermentation process and uses imported Italian flour and buffalo mozzarella.
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User Feedback: Reviewers are calling this the best frozen pizza ever sold at Costco, specifically praising the “puffy, charred crust” that mimics a real wood-fired oven.
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Recommendation: Buy this over the usual Kirkland frozen pizzas. It is a true “clean label” meal with no added sugars or seed oils.
Blueland Dishwashing Detergent Tablets — $49.99 ($10 OFF)
Introduced in the March coupon book, these tablets are 100% microplastic-free and EWG Verified, meaning they contain no harsh chemical dyes or fragrances.
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User Feedback: Users love the zero-waste packaging and the fact that it leaves no chemical residue on baby bottles or silicone mats.
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Recommendation: Highly recommended to replace standard pods. At the current $5 off sale price, it is a steal for a non-toxic home upgrade.
Truly Grass-Fed Irish Butter — $16.33
A new March arrival that provides a direct, high-quality alternative to Kerrygold. It is 95% grass-fed and non-GMO project verified.
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User Feedback: Early buyers report it has a richer, more golden hue and a creamier spreadability than standard organic butters.
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Recommendation: Buy this as your new primary cooking and baking butter. It offers elite nutritional value for a warehouse price.
Ninja Crispi Portable Glass Air Frying System — $137.99 ($35 OFF)
A unique March addition that uses a “PowerPod” on top of glass storage containers, allowing you to air fry, serve, and store in the same dish.
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User Feedback: Fans of the brand highlight the quiet operation and the benefit of cooking in glass rather than teflon-lined baskets.
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Recommendation: Recommended for those looking for a non-toxic, space-saving air fryer. It’s perfect for meal prepping and high-heat searing without chemicals.
Chosen Foods Avocado Oil Mayo — $7.37 ($3 OFF)
This March special replaces traditional seed-oil-heavy mayonnaise with a version made from 100% pure avocado oil.
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User Feedback: Users on r/Costco recommend it for its smooth, neutral taste, noting it is the best-tasting healthy mayo on the market.
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Recommendation: Buy this if you are avoiding inflammatory seed oils (soybean/canola). At $6.39 for a 32oz jar, it’s half the price of other retailers.
Lodge USA Cast Iron Griddle Pan — $34.04
A seasonal kitchenware item introduced for March, this heavy-duty, dual-sided griddle (flat and ridged) is made in the USA and entirely non-toxic.
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User Feedback: Owners love its heat retention for smash burgers and pancakes, though they caution that it is heavy and requires traditional seasoning.
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Recommendation: Buy this as a “Buy It For Life” item. It is a safer, more durable alternative to any non-stick griddle pan.
Banza Chickpea Pasta — $11.34
Featured this month with updated certified glyphosate-free labeling, this pasta offers 20g of protein and 13g of fiber per serving.
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User Feedback: Real users value it for being highly satiating, making it a favorite for weight loss and high-protein meal prep.
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Recommendation: Highly recommended as a healthy pantry swap. It holds its texture better than most other gluten-free pastas when cooked al-dente.
Chomps Jalapeño Grass-Fed Beef Sticks — $21.99 (12-Count)
A new bulk snack arrival for March that is 100% grass-fed and finished with no added sugar or nitrates.
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User Feedback: TikTok reviewers love the snappy texture and the fact that they provide 10g of protein for only 100 calories.
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Recommendation: Buy these for a cleaner on-the-go snack. They are significantly better quality than standard jerky sticks that use MSG and corn syrup.
Barbecue Daddy Grill Cleaning Set — $30.63
A new seasonal item from the makers of Scrub Daddy, this tool uses steam to lift grill residue without using dangerous wire bristles.
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User Feedback: Grillers love the safety factor and the fact that the head is dishwasher-safe for easy cleaning.
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Recommendation: Buy this for the upcoming BBQ season. It’s a much safer alternative to traditional metal grill brushes.
Organic House Sweet Potato Fries — $9.39
A “Bobby Approved” frozen find that is seed-oil-free, using a blend of olive and avocado oil instead of canola or sunflower oil.
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User Feedback: Users are impressed by the crispiness achieved without a deep fryer, noting the ingredients are cleaner than almost any other brand.
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Recommendation: Buy this as a healthier side dish. It is a rare find in the frozen aisle that doesn’t compromise on oil quality.
Avocado Oil Veggie Straws — $4.39
A massive bag of snacks made with nutrient-dense vegetables (peas, brown rice, cassava) and avocado oil.
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User Feedback: Parents recommend these as a cleaner lunchbox snack that kids actually enjoy, noting they aren’t as “salty” as the original starch-based straws.
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Recommendation: Buy these over the “OG” veggie straws, which are mostly potato starch and canola oil.
Kirkland Signature Tonkotsu Ramen Broth — $17.92 (4 Quarts)
A rich, ginger-forward broth introduced this month as a premium seasonal staple for easy home cooking.
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User Feedback: Home cooks suggest this as a high-quality base, noting it has the savory depth of a broth that usually takes hours to simmer.
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Recommendation: Buy this to elevate your home-cooked ramen. It is far superior to using bouillon or standard boxed stocks.
Shark PowerDetect Robot Vacuum & Mop — $472.00 ($120 OFF)
This high-tech arrival for March features a self-empty base and “NeverStuck” technology that lifts the mop over rugs automatically.
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User Feedback: Users report it is quieter than older models and handles pet hair exceptionally well without tangling.
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Recommendation: Recommended if you want to automate your home cleaning with a single, highly discounted machine this month.
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