Step 1

In a medium saucepan on low heat, melt butter

Step 2

Sprinkle in flour and whisk until smooth

Step 3

Remove pan from heat and add milk; continue to whisk off heat (see recipe notes)

Step 4

Place saucepan back onto stove burner and continue to whisk until sauce is smooth

Step 5

Taste for salt and pepper; adjust according to your palate; serve