Disney says
Made with an Allergy-Friendly Batter served with choice of two (2) Selections and choice of Small Lowfat Milk or Small DASANI® Water.
Friendliest.app says
The Mickey-shaped Waffles are free of gluten/wheat, fish, shellfish, peanuts and eggs.

This meal contains tree nuts and soy. It also contains milk if ordered with the Small Lowfat Milk instead of the Small DASANI Water.