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Vegetarian French onion soup

A bowl of French onion soup with cheese on top

Vegetarian French onion soup

Name: Vegetarian French onion soup
Total time: 1 h 30 min
Yield: Serves 4
Cuisine: French
Ingredients: 2 tbsp vegetable oil; 4 large onions thinly sliced; 4 cloves garlic crushed; 1 tbsp Marmite; a few sprigs thyme; 2 litres vegetable stock; 1 tbsp soft light brown sugar; 1 tbsp balsamic vinegar; 4 slices sourdough; 2 tsp Marmite; 75g gruyère (or veggie alternative) finely grated; a few sprigs thyme leaves picked

Adam Bush

Published: April 8, 2021 at 2:42 PM

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Serves 4

Easy

Total time: 1 hr and 30 mins

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Sweet and sticky caramelised onions are a perfect match for Marmite in this veggie version of a classic French onion soup, finished with cheesy Marmite toppers

Vegetarian

Skip to ingredients

Alternatives

Complete the dish

The secret to any good French onion soup is to cook the onions really slowly, letting their sugars caramelise for a depth that contrasts beautifully with the Marmite.

Serve alongside a homemade French baguette, or check out more warming soup recipes such as our classic French onion soup, leek and potato soup, celery soup and butternut squash soup.

Ingredients

Nutrition

2 tbsp vegetable oil
4 large onions

thinly sliced
4 cloves garlic

crushed
1 tbsp Marmite
a few sprigs thyme
2 litres vegetable stock
1 tbsp soft light brown sugar
1 tbsp balsamic vinegar

CHEESE TOPPERS

4 slices sourdough
2 tsp Marmite
75g gruyère (or veggie alternative)

finely grated
a few sprigs thyme

leaves picked

Nutrition: per serving

kcal495

low
fat14.3g
saturates4.6g
carbs64.6g
sugars25.8g
fibre10g
protein21.9g
salt3.9g

Method

step 1

Heat the oil in a large pan and cook the onions with a large pinch of salt over a low-medium heat for 20 minutes, stirring occasionally. Turn down the heat to low and cook for 40 minutes until the onions are really caramelised and jammy. Stir in the garlic and cook for 5 minutes to soften, then add the Marmite, thyme and stock and bring to a simmer. Cook gently for 15 minutes, then season with the sugar, vinegar and some salt and pepper.
step 2

Heat the grill to high. Toast the bread on both sides, then spread over the Marmite, sprinkle over the cheese and thyme, and grill until the cheese is bubbling.
step 3

Ladle the soup into bowls, top with the Marmite toppers and scatter with a few more thyme leaves.

Discover more of our Marmite recipes

Marmite Pie

Authors

Adam Bush Chef Portrait

Adam BushDeputy food editor

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