Onion soup has been part of the popular cuisine since Roman times. It is often considered a dish of the working classes because of how easy it is to grow onions, its main ingredient.
Ingredients
- 4 large onions
- 3 potatoes
- 130g of butter
- 1.5L of broth
- Country bread
- 150g of grated Gruyere
Preparation
- Peel the onions and potatoes, cut the onions into thin strips and the potatoes into pieces.
- Melt 80g of butter in a pan and fry the onions and potatoes until the onions soften. Add the stock. Cook for 30 minutes on medium heat.
- Blend the soup in a blender and serve it in bowls.
- Cut out small bread croutons and fry them in the remaining butter. Sprinkle the soup with grated Gruyère and croutons and serve.