Most French onion soup recipes call for beef stock, but substituting mushroom broth instead creates a surprisingly rich soup, full on flavor - without the meat. Could become a staple recipe in vegetarian or meat-loving households! A long cooking time and savory ingredients mean this soup is pretty darn rich. Add in the toasted baguette slices and all that gooey Gruyere... this soup is definitely the main course. Serve alongside a crisp, green salad.
Provided by Erin Marie
Categories Soups, Stews and Chili Recipes Soup Recipes Vegetable Soup Recipes Onion Soup Recipes French Onion Soup Recipes
Time 2h30m
Yield 4
Number Of Ingredients 18
Steps:
- Melt butter and olive oil in a pot over medium heat. Add red onions and sweet onions; sprinkle with kosher salt and sugar. Cook, stirring frequently, until onions are very tender and caramelized, about 45 minutes.
- Pour mushroom broth, sherry, Worcestershire sauce, parsley, herbes de Provence, and bay leaves into onion mixture. Bring to a simmer and cook over medium-low heat for 45 to 60 minutes.
- Reduce heat to low and remove bay leaves. Pour balsamic vinegar into soup and adjust seasoning. Mix well.
- Place Parmesan cheese rind in the center of the pot and submerge, but do not stir. Cook soup for an additional 20 minutes.
- Set an oven rack about 6 inches from the heat source and preheat the oven's broiler.
- Arrange bread slices on a baking sheet.
- Broil bread slices in the preheated oven for 2 to 3 minutes per side. Remove from the oven and set aside.
- Carefully remove cheese rind from the pot and discard.
- Fill 4 oven-safe bowls evenly with soup and sprinkle each with a light layer of grated Gruyere cheese and Parmesan cheese. Top each with 2 bread slices and sprinkle each with remaining Gruyere cheese and Parmesan cheese. Place bowls on a baking sheet.
- Broil soup in the preheated oven until cheese is browned and bubbling, 3 to 5 minutes.
Nutrition Facts : Calories 477.6 calories, Carbohydrate 36.5 g, Cholesterol 56.1 mg, Fat 25.9 g, Fiber 3.4 g, Protein 21.1 g, SaturatedFat 12.4 g, Sodium 1908.2 mg, Sugar 10.5 g
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Jyoti Pradhan
[email protected]This soup is a great way to warm up on a cold day. It's also a great way to get your kids to eat their vegetables.
Abubakar Shafiq
[email protected]I'm not a big fan of onions, but I really enjoyed this soup. The caramelized onions are so sweet and flavorful.
COLE MCCLINTOCK
[email protected]I love that this soup is made with simple, everyday ingredients. It's a great way to use up leftover veggies.
Firaol Law
[email protected]This soup is the perfect comfort food. It's warm, hearty, and delicious.
Rohit Rosani
[email protected]I made this soup for a party and it was a huge hit. Everyone loved it!
Conor Gately
[email protected]I followed the recipe exactly and my soup turned out perfectly. I highly recommend this recipe!
Ann Vastine
[email protected]This soup is so easy to make and it's so delicious. I love that I can make it ahead of time and just reheat it when I'm ready to eat.
Ali Bai
[email protected]I'm not a vegetarian, but I really enjoyed this soup. It's a great way to get your veggies in.
Azmal Pavel
[email protected]I made this soup in my slow cooker and it turned out great! It's the perfect way to come home to a warm and delicious meal.
James Baxkey
[email protected]This soup is a bit too heavy for my taste. I would have liked it more if it were made with a lighter broth.
Yahuza Mubarak
[email protected]I thought the broth was a little bland. I added some extra herbs and spices to give it more flavor.
Id in pro Hehh
[email protected]I love the caramelized onions in this soup. They're so rich and flavorful.
Rs Robin
[email protected]I've made this soup several times now and it's always a crowd-pleaser. It's the perfect comfort food for a cold winter day.
Anthony Rojas
[email protected]This soup is so easy to make and it tastes amazing! I love that it's vegetarian so I can enjoy it any day of the week.
Haley Dyce
[email protected]I made this soup for my family last night and it was a hit! Everyone loved the sweet and savory flavors of the onions and the broth. I will definitely be making this soup again.
Angel Reyes
[email protected]This vegetarian French onion soup is a delicious and comforting dish. The caramelized onions are rich and flavorful, and the broth is savory and satisfying. I especially love the addition of the sherry, which gives the soup a nice depth of flavor.