See the Disclosure Policy linked in my footer. This Low Carb French Onion Soup is made with thinly sliced caramelized onions, a rich broth with wine and brandy and topped with a crispy low carb french baguette and a gooey gruyere cheese. This warm and cozy keto french onion soup recipe will feel like you are having a traditional french onion soup.
Place onions in boiling water, reduce heat and simmer 30 minutes. Stir in salt and pepper and simmer 30 minutes more. Stir the flour into 1/2 cup cold water to make a paste. Gently whisk this mixture into the simmering soup, being careful not to break the onions.
Keto onion soup (aka healthy French onion soup) is made with just 9 basic ingredients, with caramelized onions as the star, that come together in a luxurious way. It’s perfect for entertaining, as this low carb French onion soup can be made ahead and assembled and broiled right before serving. It’s sure to impress.
"This is a nice delightful soup that is easy to prepare. I personally like to use the 1015's sweet mild onions when they are in season." In 2 quart sauce pan place 3 tablespoons butter and sliced onions. Cook at low to medium heat stirring frequently until soft and clear but not brown.