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Professional cooks say understanding basic kitchen science can actually make cooking less stressful and more enjoyable. Once people realize certain strange-looking reactions are normal, they become much more confident preparing meals at home.
So the next time white goo appears on your baked chicken, there is usually no reason to panic.
It is not plastic.
It is not mysterious fat.
And it does not automatically mean something is wrong with your food.
Most of the time, it is simply protein and water reacting to heat — even if it looks a little strange coming out of the oven.