Why Costco’s Butter is So Popular
You might have noticed in your refrigerator, in a fellow neighbour’s cart, or making a cameo in your favourite recipe—Costco’s butter, a product that has developed a massive following, is now not just limited to hardcore and passionate bakers.
So whether you’re spreading it on toast or using it in a flaky pie crust, Costco butter has transcended into a powerful kitchen staple for those in the know.
But the question still remains: What exactly makes this butter so beloved? Is it the flavour? The price? Or something else we’ve been overlooking?
Well, let’s dig into the scrumptious truth behind Costco’s most buttery best-seller.
It Starts with the Price (Of Course)
It’s no secret that Costco is known for offering bulk products at unbeatable prices—and butter is no exception. When you compare Costco’s butter price with that of any regular grocery store, the savings are quite noticeable.

Buying it in bulk at Costco can help you save several dollars per pound. That savings adds up quickly if you bake often, cook for a family, or even freeze extra for later use.
Because groceries have become so expensive, getting high-quality butter at a great value is a serious win.
For savvy homemakers and bakers, Costco butter is a smart financial move. And let’s be honest—it feels great to see your fridge all stocked up with essentials.
Quality That Holds Its Own
Now let’s talk about the part that matters most: quality. Because the price alone doesn’t fully explain the growing popularity of Costco’s butter.
The Kirkland Signature Unsalted Sweet Cream Butter has built a reputation for being just as good as premium brands on the market.
Made from fresh cream and free of unnecessary additives, this butter has a fine, rich, and clean taste that works beautifully for both baking and everyday use.
It delivers the perfect balance of thick, smooth texture, which is ideal for:
● Making cookies
● Cooking sauces
● Spreading on warm toast or muffins
The Unsalted Advantage
Another reason Costco’s butter stands out? It comes in an unsalted variety.

Unsalted butter gives you full control over the salt content in your recipes. That’s especially important when baking, where precision is everything.
Salted butter can vary in saltiness from brand to brand, which can throw off delicate recipes like cakes or pastries.
By stocking unsalted versions, Costco shows it takes home bakers seriously—those who know that consistency makes all the difference.
Large Quantity, Long Shelf Life
Yes, it’s true that Costco’s butter comes in bulk—but don’t let that scare you.


This butter freezes extremely well. You can easily stock up and store extra bars in your fridge or freezer for months without losing flavour or quality.
That makes Costco butter a convenient pantry staple for anyone who preps ahead, bakes frequently, or cooks for a big family.
No more last-minute store runs when a cookie craving hits—or when you suddenly decide to bake biscuits from scratch.
A Home Baker’s Best Friend
If you’re someone who loves baking from scratch, you already know butter is one of the most important ingredients in the kitchen.
It affects everything from texture to flavour, especially in recipes like croissants, shortbread, and pie crusts.
Many baking blogs and forums rave about Costco’s butter for a reason. Users say it rivals major premium brands like Plugra and Kerry Gold—but at a much more affordable price point.
Costco’s butter isn’t flashy—and it doesn’t need to be. It’s affordable, reliable, and downright delicious.
It’s earned a well-deserved spot in fridges and freezers across the country.
Whether you’re a casual toast lover or a full-on baking enthusiast, having a stash of high-quality butter at your fingertips just makes life a little tastier.