There has been talk about warming a canister a bit by inverting it, pouring a little warm water into the concavity, and then placing a tight fitting cap on the bottom to keep the water from seeping out when it is placed back upright. I couldn't locate the thread where it was posted, so I decided to start a new one. A major issue has been just where to find a cap that would snugly seal the canister bottom. I found one:
I bought the cookies on an $ 0.89 lark, thinking the cups would be great to mix up a powdered breakfast smoothie or something. But they only hold 1.5 cups, and the lid doesn't really seal very well on the stock cup. But it is a perfect secure fit for one of these:
