One of the most common complaints about Costco's muffins, however, has to do with their size. A Kirkland Signature Blueberry Muffins clocks in at 590 calories and weighs 170 grams. For comparison ...

Impact Link I had never tried a Costco muffin ... when I cut the muffin open. The center rise seemed slightly liquidy, which was likely a batch-specific problem since the blueberry muffins also ...

"RIP: Giant Costco Muffin!" the Redditor wrote ... muffin flavors will soon come in the smaller size as well. Blueberry (590 ...