Created by Galley_Wench on January 22, 2012
Step 1: Melt butter in a saucepan over medium-low heat. Stir in flour a little at a time; stirring until combined and smooth.
Step 2: Remove from heat and add the broth and milk, a little at a time, stirring to keep lump-free. Return to heat.
Step 3: Bring sauce to a gentle boil and cook, stirring constantly, until it thickens.
Step 4: Taste and adjust seasonings. Stir in optional ingredients if desired.