Preheat oven to 350 °F (180 °C).
Mix the flours together.
Add the water and salt and blend with an immersion blender.
Blend in the lemon zest, eggs, and milk.
Finally, mix in the melted butter.
Fry thin palatschinken in an unbuttered nonstick pan.
For the filling, stir all the ingredients together and spread on the palatschinken.
Roll them up and cut into pieces.
Place in a greased casserole dish and bake for 15 minutes.
For the royale, beat the eggs, milk, and cornstarch together well.
Pour over the palatschinken and bake for another 15 minutes.