Prepare the dough as for plain muffins. Beat eggs with sugar, add milk, flour, cheese and melted margarine, soda (slaked vinegar). A good knead. Molds for baking grease with oil and put a little dough in the middle put a piece of chocolate or a ball of chocolate paste (as in my case).

On top again put a little dough. Thus to fill all the tins and bake in the oven at t=180C. As a filling-"surprise" you can use pieces of candy or marzipan.