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Randy Mayor Photo by: Randy Mayor

Flank Steak with Caramelized Onions and Balsamic Glaze

The reduced balsamic vinegar sauce gives the flank steak a unique flavor that pairs perfectly with the caramelized onions.  Both the steak and onions contribute a hefty dose of potassium to this entrée--766 milligrams in each serving. Serve with steamed broccoli or asparagus, and drizzle some of the glaze over the vegetable.

Cooking Light APRIL 2005

  • Yield: 4 servings (serving size: about 3 ounces steak, about 1/4 cup onions, and about 1 tablespoon balsamic glaze)

Ingredients

  • 2/3 cup balsamic vinegar
  • 1 tablespoon olive oil
  • 6 cups vertically sliced onion (about 1 1/2 pounds)
  • 1/2 teaspoon salt, divided
  • 1 (1-pound) flank steak, trimmed
  • 1/4 teaspoon freshly ground black pepper
  • 1/4 teaspoon dried thyme
  • Cooking spray

Preparation

Bring balsamic vinegar to a boil in a small, heavy saucepan. Reduce heat to medium; cook until reduced to 1/4 cup (about 5 minutes). Remove from heat.

Heat oil in a large nonstick skillet over medium-high heat. Add onion, and sauté 10 minutes or until tender. Sprinkle with 1/4 teaspoon salt; sauté 18 minutes or until onions are golden brown. Remove from heat.

Preheat broiler.

Sprinkle steak with remaining 1/4 teaspoon salt, pepper, and thyme. Place steak on a broiler pan coated with cooking spray; broil 6 minutes on each side or until desired degree of doneness. Cutsteak diagonally across grain into thin slices. Serve steak over onions; drizzle with balsamic glaze.

Wine note: Steak and caramelized onions are fabulous partners for numerous red wines. But the balsamic vinegar glaze presents a bit of a challenge since vinegar can make wine taste sharp. One variety stands up especially well to vinegar: syrah (also known as shiraz). There are many great syrah/shirazes available. Try Geyser Peak Winery's shiraz from California, which is dense and lipsmacking--a steal at $18. -Karen MacNeil

Nutritional Information

Amount per serving
  • Calories: 317
  • Calories from fat: 28%
  • Fat: 9.9g
  • Saturated fat: 2.8g
  • Monounsaturated fat: 4.8g
  • Polyunsaturated fat: 0.7g
  • Protein: 26.9g
  • Carbohydrate: 30.6g
  • Fiber: 3.4g
  • Cholesterol: 37mg
  • Iron: 2.7mg
  • Sodium: 375mg
  • Calcium: 95mg
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Flank Steak with Caramelized Onions and Balsamic Glaze recipe

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