One was just being in an unfamiliar kitchen. I was visiting my friends in Budapest for Thanksgiving about fifteen years ago and was in charge of making the pumpkin pie. (When I lived there, we'd have a dinner with expats and locals for the holiday.) I had my pumpkin gutted, roasted, squeezed through a cheesecloth to get rid of all the additional moisture, and ready to go. I'm basically getting my custard ingredients together, whisking the pumpkin puree, the eggs, cream/milk, etc. together. I look for the sugar and I see a big bin of flour in the cabinet, and then a bin of sugar beside it. I measure out the 2/3 or 3/4 cup of sugar (no brown sugar in the house) and add it to my pie. As the sugar pours from my cup, something feels "off." The grain size and pour didn't quite feel right. Uh oh. It isn't, is it? Yep. Salt. Who the hell keeps that much salt around next to the flour!? Luckily, the open-air market wasn't closed yet for the day, so I was able to get some more pumpkins and start over.
The second was during my first forays into smoking meats. I bought a cheap old Brinkman that simply was not ventilated properly. It was of the upright style of smokers like the WSM. My memory is either that the top cover did not have a vent or I kept the vent closed thinking "more smoke = better." I made a rack or two of baby backs for me and my brother. Everything smells great, we bring our racks of lovely looking ribs inside and bite into them. And we begin to cough. "Man, these are pretty smokey!" "Yeah, let's put some sauce on this." A few more bites. A few more coughs. We're both doing our best to convince ourselves that these are some damned good ribs but, holy crap, it felt like we just smoked two packs of unfiltered Lucky Strikes. A few more bites and we had to admit the truth. There is such a thing as "oversmoked."