Why does leche flan do not solidify?

Leche flan may not solidify properly if the egg-to-milk ratio is off, if it’s not cooked at the right temperature, or if it’s overcooked, which can lead to a rubbery texture instead of a smooth custard. Additionally, insufficient cooling time after baking can prevent it from setting correctly. Lastly, using a different type of milk or not incorporating the ingredients thoroughly can also affect its consistency.