Spinach and mushroom dumplings are a flavorful and nutritious option for veggie dumpling lovers. The filling is made from sautéed spinach, mushrooms, garlic, and onions, which are then seasoned with soy sauce and sesame oil. The combination of earthy mushrooms and vibrant spinach creates a delicious filling that pairs well with the dumpling wrappers. These dumplings can be steamed or pan-fried, depending on your preference. Serve them with a simple dipping sauce made from soy sauce, rice vinegar, and a sprinkle of sesame seeds.