This French onion soup is just 216 calories and comes with everything you want in a French onion soup recipe.You get a BIG serving, a big crouton on top, and two types of cheese melted over the tops... and this French onion recipe is low enough in calories it won't hurt your diet.Learn how to make French onion soup healthy and delicious with this easy to follow recipe.
Slice onions in half then cut the halves vertically into thin slices.
Spray saute pan with olive oil and heat over medium heat.
Add onions, salt, pepper and thyme, and cook, stirring gently until the onions start to soften.
Reduce heat to medium-low and continue to cook onions, stirring every few minutes.
Once the onions are a light golden brown (about 25 minutes), add in the Worcestershire sauce.
Add beef broth, sherry and thyme, and simmer for 30 minutes.
Preheat the oven broiler.
Ladle soup into oven safe serving bowls and place one slice of bread on top of each.
Divide the gruyere and Parmesan cheese over the tops of all 4 bowls. Place bowls a rimmed baking sheet and broil until cheese bubbles and browns, about 2-3 minutes.
If you don't have oven safe bowls:
Add the slices of bread to a baking sheet. Top with cheese and broil until the cheese bubbles and browns.
Ladle soup into 4 bowls and top each with a cheese topped slice of bread.