Pretzel Dumplings with Mushroom-Sauerkraut Gravy

On a flight aboard a German airline, my husband and I were accidentally served non-vegan pretzel dumplings in a creamy mushroom gravy. We were tantalized by the dish until a stewardess took it away. For months and months, I dreamed of re-creating that dish we were teased with. This vegan version is even more appetizing than the original, made with two of everyone’s favorite German vegan foods: sauerkraut and soft pretzels. Soft pretzels are almost always vegan (though some may use bu