Step 1

In a sauce pan, add onion and butter and sauté until onion starts to soften.

Step 2

Sprinkle flour, salt, pepper and sage over the butter mixture and stir.

Step 3

Whisk in the milk. cream and Worcestershire sauce bring mixture to a boil.

Step 4

Boil mixture until it thickens.

Step 5

Taste and add more salt if desired.