First of all, don`t panic: even if it says dumpling, you won`t have a dumpling taste.
Mix the dumpling dough, tuna, cheese, corn and the spices into a mixture. If the mass seems too tough, you can add a small shot of water. But not too much otherwise it will be too mushy.
You put the whole thing on a baking sheet lined with baking paper and spread the mixture out so that it is not too thin but also not too thick. It should have the strength of a real pizza crust. Now you slide the tray on the middle rail into the preheated oven and let it bake at 200 degrees for 20 minutes.
You can also cover your floor like a pizza, e.g., with tomato sauce, ham, etc I think it tastes extremely delicious.
The mass is sufficient for 2 people and has a total calorie content of 570 Kcal. (285 Kcal per serving)