Eli5: Why does pancake batter solidify when you heat it?

Question

When you heat a liquid, you generally expect it to boil but rather than solidify. What is the science behind this process? Examples are cakes pancakes and eggs

In: Other

Answer 1

Partially that is egg whites solidifying because their chemical structure changes (when you cry eggs they solidify rather than evaporate). Same with pancake batter, it’s chemical structure changes. And, additionally, the water inside boils out, but the effect of that is negligible