2 1/2 tablespoons of butter
3 tablespoons of all-purpose flour
2 tablespoons of white wine vinegar
600g of sweet potatoes, peeled and cut into sticks
1/2 teaspoon of dried thyme
1/2 teaspoon of dried savory
8 slices of French bread
200g of melted cheese, cut into pieces
Salt to taste
2 1/2 tablespoons of butter
3 tablespoons of all-purpose flour
2 tablespoons of white wine vinegar
600g of sweet potatoes, peeled and cut into sticks
1/2 teaspoon of dried thyme
1/2 teaspoon of dried savory
8 slices of French bread
200g of melted cheese, cut into pieces
Salt to taste
In a saucepan, melt 2 1/2 tablespoons of butter, then add the flour and stir with a wooden spoon for a few minutes
Add the vinegar while stirring with a hand mixer
Season to taste
Add 1 1/2 liters of water, the sweet potatoes, thyme, and savory
Cook for 1 hour
When serving, butter the slices of bread, place them in shallow dishes, distribute the cheese on top, and serve the soup hot
Serve 4 portions
454 calories per portion.