Fry the chicken. Heat the frying pan. Finely chop the chicken fillet, add salt and pepper. Fry the chicken for about 7 minutes.
Prepare the filling. Grate the cheese. Put half aside and add the other half to the cooled chicken fillet. Mix. Add dill and mayonnaise. Mix. Fill the tartlets evenly with the filling. Sprinkle each tartlet with the remaining cheese on top.
Bake the tartlets. Preheat the oven to 180 degrees and bake the tartlets for 15 minutes.