Knead all ingredients into a dough, depending on the type of sour cream, add a little more flour if necessary. Roll out the dough on a baking sheet with a baking frame. Spread the ham cubes on top. Mix the sour cream and eggs, season and pour over the ham cubes. Sprinkle fried onions and cheese on top.
Bake in a preheated oven at 200 ° C top / bottom heat for about 25 to 30 minutes.