- Mix salt, five-spice and 8 ml (1 1/2 tsp.) of the pepper.
- Rub over pork loin, cover and refrigerate 8 hours.
- Heat oven to 230°C (450°F).
- Place pork in shallow roasting pan.
- Roast for 10 minutes; reduce oven heat to 180°C (350°F).
- Roast pork until internal temperature, measured with a meat thermometer, is 70°C (150°F)., about 40 to 45 minutes.
- Remove pork to a carving board; tent with foil to keep warm.
- Meanwhile, add stock to roasting pan and stir over high heat to reduce to 250 ml (1 cup); add any juices from pork roast to pan.
- Stir in zest, wine, cumin and remaining pepper.
- Remove from heat; whisk in butter a bit at a time.
- Stir cilantro into sauce; slice pork and pass sauce.
Nutrient analysis per serving: 235 calories, 27.9 g protein, 1.6 g carbohydrates, 12.2 g total fat, 5.2 g saturated fat, 87 mg cholesterol, 1198 mg sodium, 48% calories from fat, 3% calories from carbohydrates