Cheese Sandwiches

Ingredients

 * 200 g Cheese.
 * 2 ea yolks hard boiled.
 * 1 tb mustard.
 * 50 g butter.

Directions

 * Grind Cheese finely and mix in yolks.
 * Spread the mass on a bread slice 1/5 inch thick.
 * Put sandwiches in a well heated oven for 5–10 minutes.