Loved the article. My biggest mystery goof was with a cake recipe I had been making for 30 some years. It was my father's favorite cake - Buttermilk Chocolate sheet cake. I made it just like I always did, baked it and then iced it with chocolate icing to take to a friend's house. She cut the cake and served it and all I could say was "What in the world?" (only not those words) The cake had separated into a white layer and a chocolate layer while baking, white being on the bottom. The top looked just like normal. It tasted okay, but different. I still don't know what made that cake separate!

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