Ingredients

12 ounces pork tenderloin, cut in 1 inch rounds

flour for dredging

4 tablespoons unsalted butter

1 onion, thinly sliced

3 garlic cloves, minced

1/2 cup dry riesling wine

1/2 cup raisins

3 tablespoons balsamic vinegar

1 tablespoon green peppercorns, drained

1/2 teaspoon dried thyme, crumbled

1/2 teaspoon dried oregano, crumbled

1/4 cup unsalted butter, chilled, cut in pieces

1/4 cup pine nuts, toasted

Preparation

Melt 2 tablespoons of the butter in heavy skillet over medium high heat. Add onion and garlic and sauté until golden brown, about 5 minutes. Transfer mixture to bowl.

Season pork with salt and pepper. Dredge in flour, shaking off excess.

Melt remaining 2 tablespoons of butter in same skillet over medium-high heat. Add pork and sauté about 4 minutes per side. Transfer pork to plate and cover with foil to keep warm.

Add onion mixture, wine, peppercorns and herbs to same skillet and boil until sauce thickens, about 4 minutes. Add pork to skillet and heat through. Divide pork among plates.

Add 1/4 cup chilled butter to sauce in skillet and whisk just until melted. Mix in pine nuts. Spoon sauce over pork and serve.