Gluten-Free is on the menu, but the same kitchen also prepares what you avoid, so cross-contamination is possible. Tell staff what you react to, and ask how your dish is prepared before you order.
A small organic vegan café by the Konstanz border with soups, salads, weekly bowls and cakes, most of it also gluten-free and free of refined sugar. Ask which, the site says options, not a gluten-free kitchen.