1 pound pork tenderloin (3/4 to 1 pound)
2 tablespoons butter, divided
2 medium onions, sliced
½ teaspoon salt
1/4 teaspoon ground black pepper
2 tablespoons sugar
1/4 cup port wine OR 1/4 cup sweet sherry
2 tablespoons balsamic vinegar
1 cup fresh or frozen blueberries
1 cup chopped cherry tomatoes
Preheat broiler. Broil pork, turning occasionally, until cooked through, about 20 minutes. Remove to a platter; cover to keep warm. Meanwhile, in a large skillet over medium-high heat, melt 2 tablespoons of the butter. Add onions, salt and pepper; cook until onions are golden, about 10 minutes. Add sugar; cook until onions are caramelized, 3 minutes longer Add port, balsamic, blueberries and tomatoes; bring to a boil. Remove from heat.
Thinly slice pork and serve with sauce.
Per Serving: 329 Calories; 11g Fat (5g sat); 20g Protein; 37g Carbohydrate; 6g Dietary Fiber; 51mg Cholesterol; 365mg Sodium.