Um, What’s That Burning Smell?

starbucks burned cup

We’ve talked about Starbucks many times on the little dish, sometimes in their favor (celebrating the great caramel chai discovery, or the time I made a badass cake) and sometimes against (hooray for the underdog!) This time it’s different. This time, it’s in the interest of public safety. Yeah, you heard me.

Here’s the deal: I’m a slow sipper. Usually halfway through my cup of coffee, I have to warm it quickly in the microwave. Thirty to thirty-five seconds in any standard microwave and it’s practically like the first sip all over again. I’ve done it a hundred times. Earlier this week, I noticed a strange burning smell as I warmed my latte at work. I thought it was only a little weird, mostly because people cook ungodly things, singe popcorn, and so on in that machine,

Then, two days later, it happened again. I inspected my cup and THERE! ON THE BOTTOM OF MY CUP! A SINGE MARK. Today, it happened again. There was a burn mark in the exact same spot. Thirty seconds and no more, in a standard microwave and we’ve got a (likely carcinogenic) fire hazard! It could be some new cheap plastic or glue they’re using on the rim; it could be some metallic manufacturing residue. I just know that it’s potentially dangerous…and weird. I’ll have to run some more tests to be a good scientist, keeping track of what stores the cups came from, what microwave was used, etc. to be really sure of what’s going on, but I can tell you right now, it’s pretty suspicious.

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3 Comments

    Suspicious? That something burns in a microwave?

    Aside from being a jerk to you, I just wanted to point out that I’ve had this happen with many cups, not just Starbucks, and not just recently.

  • Yes my Starbucks cup burns. It is only the Starbucks cup – no other paper cup has this problem. It does not appear at the seam so I am guessing that there is a microchip in there. Possibly inventory control? I wil dissect my cup and see.

  • I have noticed the same with Starbucks paper cups on numerous occations but sometimes it doesn’t happen. Always at the same place you showed. At first I thought it might be because they were using recycled paper/cardboard and that there might be small amounts of tinfoil or some metal residue that gets mixed in with recycled paper.

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