Cafe Si in the old city of Ulm, Germany, is an authentic bistro that you may miss if you just walk down the street. There are about 8 tables in the garden, and the same number inside. You feel at home right away when you walk in. The bar is good, and so is the wine list. The chef is excellent and whips up great food on a short time. I have been there repeatedly and I am looking forward to a visit there whenever I am in Ulm.