Heat a skillet, add oil, and sauté onion, garlic, and salt for 4-5 minutes.
Add mushrooms, soy sauce, balsamic vinegar, and Dijon mustard. Cook until mushrooms are tender.
Stir in thyme, pepper, sour cream, and parmesan.
Add broth and white beans, cover, and cook for 6-8 minutes.
Adjust seasoning, garnish with vegan parmesan, and serve over bread or pasta.
