Melt 2 tablespoons butter in a saucepan over medium heat
Whisk in 2 tablespoons all-purpose flour
Cook for 1 to 2 minutes, stirring constantly
Slowly whisk in 1 cup chicken broth
Add salt and black pepper to taste
Simmer for 3 to 5 minutes, stirring until thickened
Adjust consistency with more broth if too thick
Serve warm over chicken, mashed potatoes, or biscuits