I finally remembered 2 disasters and both were cakes. I made a pineapple angel food cake that overflowed the tube pan, BIG TIME. It looked like a volcano had erupted and my oven was a huge mess and the burnt batter in the oven didn't smell so wonderful either.
The other was a yellow cake with chocolate fudge icing. I had been craving homemade chocolate fudge icing and a friend gave me her recipe. She neglected to tell me that it was for a 13x9 sheet cake because the frosting sets up so fast, you dont have time to spread it on layers. I made a 3 layer yellow cake and by the time I got to the top to frost it, the icing could not be spread anymore. I ended up with a partially frosted cake top and gouges in the rest of it as I tried to spread the icing and it wouldn't spread. It was for my own birthday and I have pictures of me blowing out the candles on this disaster. It tasted great and the friend that gave me the recipe came over for cake and laughed her butt off when she saw what happened. I didnt' mind she had neglected to tell me that it firmed up fast. It tasted pretty darn good even if it didn't look real attractive.