Step 1

MELT butter in a saucepan on low. Add flour. Mix with a wooden spoon until combined into a crumbly mixture. Cook for 2 minutes until mixture begins to turn brown.

Step 2

GRADUALLY stir in pan drippings; simmer, stirring constantly, until mixture starts to thicken.

Step 3

GRADUALLY stir in broth; simmer, stirring constantly, until mixture thickens.

Step 4

STIR in mustard and remove from heat. Serve alongside turkey.