Melt butter in a 1-quart saucepan over low heat. Whisk in flour, stirring to combine. Cook 2 to 3 minutes. Gradually add vegetable broth, whisking constantly until thickened. Season with salt, pepper, and nutmeg. Cook over low heat for 5 minutes.

for up to 3 days. Yield: 2 cups (serving size: 1 tablespoon).