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close up of onion soup

Bistro French Onion Soup

Amanda
Bistro French onion soup with a Gruyère croûton. Simple, but authentic, this French classic is perfect for easy entertaining.
5 from 22 votes
Prep Time 10 minutes
Cook Time 1 hour 30 minutes
Total Time 1 hour 40 minutes
Course Appetizer, Snack, Soup
Cuisine French
Servings 4
Calories 350 kcal

Equipment

  • large saucepan with lid
  • bread knife
  • sharp knife
  • chopping board
  • wooden spoon
  • 4 heatproof soup bowls
  • Grater

Ingredients
 
 

  • 800 g onions 4 large sweet onions approximately
  • 2 tbsp vegetable oil
  • 1 tablespoon butter
  • 2 cloves garlic
  • 1 bay leaf
  • 1 teaspoon sugar
  • 1 teaspoon salt
  • 100 ml dry white wine
  • 1 litre vegetable stock
  • seasoning to taste
  • 80 g baguette 4 slices
  • 100 g Gruyere cheese grated

Instructions
 

  • Slice the  onions  thinly and finely chop the garlic.
  • Melt butter and oil in a large saucepan and add the onions and garlic.
  • Put a lid on the saucepan and cook on medium to low for 30 minutes, stirring occasionally.
  • Add sugar and salt and cook over a medium heat until they are thoroughly soft.
  • Add the stock, wine and bay leaf and simmer for 30 minutes. Season to taste.
  • Cut 4 slices of baguette about 2 cm thick and dry out in an oven for 5 minutes.
  • Divide the soup into 4 heatproof bowls and place on an oven tray.
  • Preheat the grill to medium and pile the cheese on the bread slices.
  • Top the soup with bread and place under the grill until bubbling.

Nutrition

Calories: 350kcalCarbohydrates: 31gProtein: 12gFat: 19gSaturated Fat: 12gCholesterol: 35mgSodium: 823mgPotassium: 352mgFiber: 4gSugar: 10gVitamin A: 324IUVitamin C: 15mgCalcium: 317mgIron: 1mg
Keyword bistrol French onion Soup, onion, soup
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