If there's too much, the egg in the mixture won't cook, meaning wet, soggy, bread. ... If it's too thick, it will never cook to the center. The ideal thickness for a slice of French toast is 3/4" to 1" thick. And make sure to pick a kind of bread that's both spongy and sturdy enough not to fall apart during cooking.

Is French toast supposed to be soggy inside?

The ideal French toast is browned and crispy on the outside and creamy on the inside. It is not dry and it is not soggy. It has a rich, custard flavor (without being too eggy), and is usually sweetened with sugar and garnished with maple or fruit syrup, fresh fruit, and butter — but it can be served savory as well.

How do you keep French toast from getting soggy?

How to keep French Toast from getting soggy? To keep French Toast from getting soggy lightly toast the bread before soaking and don't soak the bread too long in the custard.