I've just tossed the pint plastic package in the freezer and they freeze just fine. I do empty them into a bag after they've frozen. I throw them in muesli or breakfast cereal in the morning. Rumor has it that they're better than rosemary for remembrance.
In the long ago, there ustta be a store in Phoenix that made lemon ice cream with frozen blueberries.
Re: I frequently buy them at Costco,
In the long ago, there ustta be a store in Phoenix that made lemon ice cream with frozen blueberries.