Gravy

3 tablespoons unsalted butter or drippings
3 tablespoons flour
2 cups chicken broth or stock
1 tablespoon half and half
salt and pepper

Heat butter or drippings over medium heat. Whisk in flour until it smells slightly nutty. Slowly whisk in stock while continuously whisking until thickened. Season with salt and pepper as needed. Heat over very low until ready to serve.