- 1/2 cup butter
- 1/2 cup flour
- 1/2 cup milk
- Salt to taste
Procedure:
- Make a mixture of butter and flour.
- Cook a few minutes (take care not to brown the flour) and moisten with milk.
- Stir with a whisk until boiling.
- Season with salt.
- Cook gently for 30 minutes, taking care that it does not brown.
- Strain