This Creamy French Onion and Mushroom Soup is a rich, indulgent combination of two classic flavors. The caramelized onions, tender mushrooms, and creamy broth create a savory and satisfying dish perfect for cooler days or when you're in the mood for something heartwarming. Combining the sweetness of French onion soup with the earthiness of mushrooms, this recipe will surely become a go-to comfort food in your household.