Potato and chicken casserole: the creamy and delicious meal

Directions:
1. Boil and cut the potatoes.
2. Cut the chicken breast, onion and garlic.
3. Mix all in a bowl and add rosemary too.
4. In a pan meat the butter and mix with flour, milk, salt, pepper and nutmeg.
5. Pour on the potatoes and bake at 356°F (180°) for 1 hour.