Vegan Mushroom Stroganoff

Name: Vegan Mushroom Stroganoff
Prep time: 10 min
Cook time: 22 min
Total time: 32 min
Cuisine: European, Eastern European
Ingredients: 16 oz cremini mushrooms, sliced; 1 medium onion, finely diced; 2-4 cloves garlic (minced); 2 tablespoons vegan butter or olive oil; 1 tablespoon flour; 1 cup beef-style vegetable broth; 1 teaspoon Dijon mustard; 1 cup vegan sour cream (recipe follows, or use store-bought); 3/4 cup raw cashews (soaked 4+ hours); 1/2 cup unsweetened plain plant milk (or water); 1 tablespoon lemon juice; 2 teaspoons apple cider vinegar