Ingredients
8 ounces Soba Noodles
2 tablespoons Olive Oil
1/2 pound Green Beans [trimmed, cut into 1 inch pieces]
3 tablespoons Soy Sauce
2 tablespoons Brown Sugar
1 tablespoons Rice Vinegar
1 teaspoon Mustard [dry]
3 tablespoons Cornstarch [divided]
1 pound Flank Steak [sliced thin]
1/2 teaspoon Salt
1/4 teaspoon Pepper
2 teaspoons Garlic [minced]
1/2 cup Onion [diced]
1 teaspoon Ginger [fresh, grated]
1/2 cup Scallions [sliced]
Preparation
In a large pot filled with water, cook soba noodles according to package instructions. Drain noodles, reserving water, and transfer to a bowl. Drizzle with vegetable oil and toss together; set aside. Set up bowl of cold water with ice cubes. Cook green beans in soba noodle water for 2 minutes. Drain and rinse under cold water; transfer to ice bath
Meanwhile in a small bowl stir together soy sauce, brown sugar, rice vinegar and mustard powder. In a separate small bowl mix together 2 tablespoons cornstarch and 1/4 cup water. Set aside
Rinse and pat dry beef. In a mixing bowl, season with salt and pepper then toss together with remaining tablespoon cornstarch until well coated. In a large sauté pan over medium-high heat, add 2 tablespoons vegetable oil. When pan is hot but not smoking add beef and cook for 2 minutes on each side. Cook in two batches, then transfer to a plate.
Add 1 teaspoon vegetable oil to sauté pan over medium-low heat. Cook garlic, onions and ginger for 2 minutes. Pour in sauce and stir in drained green beans and beef; increase to medium-high heat. Stir cornstarch slurry and pour into pan. Mix until everything is well coated and toss together with soba noodles. Transfer to bowls and garnish with green onions