Foolproof White Sauce

Directions

1. 1
   Put the butter and flour in a pot and saute over low heat for 5 minutes.
2. 2
   Once viscous, add the cold milk all at once and heat over medium while mixing until it begins to boil.
3. 3
   Once it starts to boil, switch to a wooden spatula and quickly mix.
4. 4
   Continue cooking until reduced.
5. 5
   When making a gratin dish, add a bit of salt.
6. 6
   Add soup stock granules to taste.
7. 7
   Ketchup Rice Doria.
8. 8
   Salmon and Potato Gratin.
9. 9
   Macaroni Grain.
10. 10
    Lasagna.