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my cake overflowed....
I made a cake today from scratch, same recipe I have been using for about 15 yrs now. This was the first time it actually over flowed in the oven..what a mess it made.(used same size pans)
I checked the recipe several times I did everything right. It was a choc cake recipe, called for 1 tsp baking powder, 2 tsp baking soda, and the usual 2 cups flour, 1 tsp salt,¾ cup cocoa, 2 cups sugar, 1 cup veg oil, 1 cup hot coffee, 1 cup milk, 2 eggs, 1 tsp vanilla..
that's the recipe, any thoughts on what could make this happen? To me the cake does have an odd taste to it. But...hubby says it's fine, he'd say that as he wants choc cake so bad tonight for dessert. So...can something I used be bad even though they are not old?
Thanks for any feedback on this..
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It may be the coffee.
Baking powder has two components, sodium bicarbonate (baking soda) and either tartaric acid (cream of tartar) in single-acting or sodium aluminum sulfate in double-acting baking powder. The sodium bicarbonate reacts with whatever acids are present in the liquid batter and starts producing carbon dioxide. When the batter heats up to 140 degrees F, the sodium aluminum sulfate starts reacting and produces more carbon dioxide. This results in a lighter cake, biscuit, cookie, whatever.
Coffee just out of the pot usually measures 205 degrees F. It's also pretty acidic. The combination of heat and acid from the coffee may have started the aluminum sulfate going earlier than usual and caused your cake batter to overflow. You might want to try cold coffee and see if that makes a difference.
Or not. I'm not a chemist; I don't even play one on TV. I just watch Alton Brown a lot. :-)
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Hmm, I find that very bizarre. Chances are that you accidentally messed up the measurement of an ingredient, although you did say that you checked several times. It could have something to do with the order in which you added the ingredients. Or perhaps weather/altitude - are you making it in the same place you usually make it?
PS: That sounds like a great recipe! (Aside from the fact that it overflowed.) Coffee in cake batter, very clever!
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