Serves: 4 people Difficulty ': Easy Preparation time: 55 minutes Ingredients 40g. 60g plain flour. butter 1 large onion 1 teaspoon sugar 1 tablespoon vinegar salt croutons PROCEEDINGS -------------------------- Peel the onion and cut it very thin slices. Heat about 1 liter of water and, if desired, the broth.
Melt the butter in a saucepan and when it starts to take an amber color, add the flour. Leave toast the flour for about a low heat, stirring constantly with a whisk. Pour half 'of the hot liquid and stir once, then diluted with the remaining liquid and salt. Let simmer for 30 minutes. When cooked, seasoned with sugar and vinegar.
Melt the butter in a saucepan and when it starts to take an amber color, add the flour. Leave toast the flour for about a low heat, stirring constantly with a whisk. Pour half 'of the hot liquid and stir once, then diluted with the remaining liquid and salt. Let simmer for 30 minutes. When cooked, seasoned with sugar and vinegar.