Soak shiitake mushrooms in 1 cup hot water for 20 minutes or until soft. Drain and save soaking water. Discard stems and slice mushroom caps. Puree beans in a blender or food processor and set aside. Heat oil and sauté garlic and onions until onions are translucent. Add 3 cups water, shiitake mushrooms with soaking liquid, sauerkraut, and quinoa. Cook 30 minutes over low heat. Add paprika, shoyu, pureed beans, and black pepper. Simmer for 5 to 10 minutes.
Per serving - 140 calories, 3 g fat (19% calories from fat), 7 g protein, 21 g carbohydrate, 8 g fiber, 0 mg cholesterol, 509 mg sodium