This restaurant is located at Steinfeld, a monastery which also includes a well known boarding school. We stopped by while on project in the area last November - they don't have a menu, but a huge buffet with a great variety of dishes, for a sensational price. Believe it or not, at that time it was 6.66 Euros. We had lunch there on a weekday, and were advised to book in advance in case we wanted to visit that place on a weekend or holiday.
Favorite Dish: Everything they had seemed to be very yummy. I tried a number of cold and warm meals as well as one of the deserts - I would have loved to try more but there was no space left in my stomach. I will certainly take my wife there for lunch sometimes this spring. Definitely worth a visit, and the town and the whole area is worth visiting as well.