Hustle through a Barrie Costco on any given Saturday and you’ll catch a symphony of carts, chatter, and the undeniable aroma of garlic butter wafting from the bakery. Costco’s 2025 bestsellers aren’t just products—they’re cultural touchstones, sparking debate, delight, and more than a few cravings among Canadian shoppers.
Costco has long defied the store-brand stereotype, breeding loyalists for its Kirkland Signature line. In 2025, the warehouse giant doubled down on innovation, rolling out buzzworthy items from the bakery, freezer, and food court. What’s driving the hype? Shoppers are looking for quality, value, and a little bit of fun in their carts—and Costco delivers.
Consider the brown butter sugar cookies: these aren’t your childhood bake sale fare. By swapping plain butter for the nutty richness of brown butter, Costco’s bakery team has upped the ante. The result is a soft, chewy cookie with a crisp sugar shell that customers describe as a must-buy. Still, some can’t help but notice the box holds fewer cookies than expected—a subtle nod to the ongoing saga of shrinkflation, where quantity quietly slips while prices hold steady. Yet most agree the flavour justifies the indulgence.
Frozen aisle loyalists are raving about Kirkland Signature’s crispy french fries. Unlike mass-market fry bags, these are praised for their just-right thickness and adaptability—delicious air-fried or dunked in oil for a restaurant-style crunch. Fans suggest tossing them with a hint of oil before cooking to maximize their potential, proving that a little experimentation goes a long way.
In the bakery’s metal tins, garlic parmesan butter dinner rolls are fooling shoppers at first glance—some mistake them for iced cinnamon rolls, only to be hit with an intoxicating wave of garlic. Once reheated, the rolls marry a crispy crust with a pillowy centre, demonstrating that Costco isn’t afraid of bold flavours or big portions.
The food court’s strawberry banana smoothie offers a sweet reprieve for weary shoppers. By increasing fruit servings and amping up the sugar, Costco’s latest blend has sparked debate: Is it a health hero or a sugar bomb disguised as fruit? Either way, its popularity is clear, echoing a growing appetite for indulgent refreshment on the go.
Rounding out the list, Kirkland Signature’s vodka soda delivers a High Noon-style seltzer experience at a price point that undercuts the competition—a relief in regions where alcohol sales are allowed. Real fruit juice, zero added sugar, and a crisp finish have cemented its place in many carts, proving that Costco’s value promise still holds weight even in the beverage aisle.
From bakery innovations to freezer standouts and food court hits, Costco’s 2025 bestsellers reveal more than fleeting trends—they illustrate the evolving tastes and expectations of Canadian shoppers. If you haven’t tasted these customer favourites yet, it might just be time to join the frenzy at your local warehouse. There’s no telling what you’ll discover next.
References:
5 Best Costco Items So Far In 2025
