1. Melt 1 tablespoon butter in a small saucepan over medium heat. Add flour to pan, and cook for 3 minutes, stirring frequently with a whisk. Gradually add chicken stock, stirring with a whisk until smooth, and bring to a simmer. Simmer for 10 minutes, stirring occasionally until slightly thick, and stir in 1/4 teaspoon salt and 1/8 teaspoon black pepper.