Mustard Gravy

Directions

1. 1
   In a heavy saucepan over medium heat, melt butter.
2. 2
   Blend in flour, salt and pepper.
3. 3
   Cook, stirring constantly, until mixture is smooth and bubbly.
4. 4
   Stir in milk and bring to a boil.
5. 5
   Boil and stir 1 minute.
6. 6
   Stir in mustard and horseradish, stirring until heated through.
7. 7
   Serve warm.