Prep Time 10 minutes mins
Cook Time 1 hour hr 40 minutes mins
Total Time 1 hour hr 50 minutes mins
Keyword Baguette, Best French Onion Soup Recipe, Best Soup Recipes, Caramelized onions, comfort food, French Onion, French onion soup recipe, Gruyere, How to make french onion soup, How to use up onions, Sweet Onions, Under 500 Calories