For 5 people
Preheat the oven to 180°C.
Peel the potatoes, then wash them. Then cut them out.
Put the potato pieces to cook in a saucepan filled with salted water.
Cut the brains into thin singel and cut each washer in 4.
Cut the cheese into slices over its length.
In a buttered mold, put the potatoes and the brains and mix everything carefully. Then add the cheese slices above.
Bake for 20 minutes. Serve.