Beef Sukiyaki with Noodles

• 1 cup soy sauce
• 1/2 cup white wine
• 1/2 cup seasoned rice vinegar
• 4 tablespoons sugar
• 2 pounds pepper steak strips
• 3 tablespoons olive oil, divided
• 2 medium onions, sliced
• 5 scallions, sliced
• 1 (6-ounce) package sliced portobello mushrooms
• 1 (7-ounce) package baby spinach leaves
• 1 (16-ounce) box fettuccine, cooked according to package directions

1. Mix soy sauce, wine, vinegar and sugar in a small bowl until sugar dissolves; set aside.
2. Rinse pepper steak and pat dry.
3. Heat 2 tablespoons of oil in a large, deep skillet over medium heat. Add pepper steak and sauté for 2 to 4 minutes, until almost cooked through. Remove from skillet and set aside.
4. Add remaining oil to skillet and sauté onions, scallions and mushrooms for 5 minutes.
5. Add spinach and cook for 1 minute, until wilted.
6. Return pepper steak to skillet with vegetables and add 3/4 of the soy sauce mixture. Bring to boil. Reduce heat and simmer, uncovered, for 1 minute.
7. Place meat and vegetable mixture in a large warm serving bowl. Add fettuccine and toss. Drizzle with remaining soy mixture before serving.

Tips: