Reduce oven temperature to 175 ℃ / 350 ℉, and roast until internal temperature is 65 ℃ / 150 ℉, (approximately 1 hour).
Remove Pork from oven, let sit covered for 20 min.
Gravy:
- Remove Pork from roasting pan, set aside. To the Drippings add Chicken Stock, bring to a simmer for 5 minutes. Add Salt, and Pepper, mix well.
Roux:
- In a skillet on medium heat add Butter, allow to melt. Simmer Butter for 3 minutes, (until frothing slows). Add in Flour, saute for 3 minutes, stirring constantly.
Add Roux to Gravy, mix thourouly.
Serve