Step 1
In a small saucepan over medium heat, melt butter. Whisk in flour and cook, whisking constantly, until golden, about 1 minute. Whisk in pan drippings. (If you have more than 1 cup drippings, use it up and reduce the amount of broth.)
Step 2
Bring mixture to a boil, then reduce heat to medium-low. Bring to a simmer and cook, stirring occasionally, until slightly thickened, about 5 minutes.
Step 3
Whisk in broth, sage, and thyme and return to a simmer; season with salt and pepper. Cook, stirring occasionally and gradually adding more broth if needed, until flavors have melded and desired consistency is reached, about 10 minutes.