Flank Steak with Caramelized Onions and Balsamic Glaze

Ingredients

• ¼ teaspoon dried thyme
• 6 cups vertically sliced onion (about 1 1/2 pounds)
• ½ teaspoon salt, divided
• 1 (1-pound) flank steak, trimmed
• ¼ teaspoon freshly ground black pepper
• ²/₃ cup balsamic vinegar
• 1 tablespoon olive oil
• + 1 more ingredients
• • Cooking spray

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; saut...

View full recipe at My Recipes