Buy: Kerrygold butter
There are several brands of butter sold at Costco, and the organic Kirkland brand is one of them. If you want high-quality butter, foodies have said to prefer Kerrygold. It’s made with milk from grass-fed cows.
Buy Kerrygold Butter
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Buy: Kirkland vodka
While buying any kind of alcohol at Costco is good, you get the best deal for vodka. Costco’s house-brand vodka is good enough that some people think it might be Grey Goose undercover. There are even sites that did a taste test of Costco vodkas against some name brands, and Kirkland’s French vodka came out on top.
Buy Kirkland Vodka
