I tried every flavor of muffin I could find at Costco and ranked them from worst to best
Briefly

The almond-poppy option had an unexpected, yet welcome combination, combining poppy seeds with a lusciously aromatic almond flavor, which made for a refreshing taste.
The double-chocolate muffin was a disappointment, tasting like a dry Dutch-cocoa cupcake with a hint of chocolate but lacking in richness and moisture.
Costco muffins are surprisingly dense and heavy, offering significant toppings and varying freshness, but some flavors are better executed than others.
Half the muffins tasted fresh that day, while others were from the day prior, influencing the overall enjoyment and flavor perceptions of each muffin.
Read at Business Insider
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