Stuffed buns/rolls - Chifle umplute

How to make : 10 buns,10 slices  ham,10 slices Emmental cheese,10 slices mushroom,1chopped
yellow pepper,10 slices tomato,1/2 chopped small onion,salt,pepper,10 eggs,50 gr butter,50 gr grated Mozzarella.
Cut the lid of buns and core them,then put 5 gr of butter in each of them.
Chop the ham and the Emmental cheese and dived it in all buns .Fill each bun with mushroom,yellow pepper, onion,grated Mozzarella.Top each of buns with an egg,add a slice of tomato,salt and pepper. Rolls/buns are placed on a try with baking paper and bake in the oven for 10-15 mins at 180 C.