GROUND BEEF NOODLE STIR FRY

GROUND BEEF NOODLE STIR FRY 2 (7-ounce) refrigerated udon noodles, seasoning sauce packets discarded 1 tablespoon olive oil 1 pound ground beef 1 onion, diced 1 red bell pepper, thinly sliced 1 green bell pepper, thinly sliced 12 ounces broccoli florets 1 green onion, thinly sliced FOR THE SAUCE 1/4 cup reduced sodium soy sauce 2 tablespoons rice wine vinegar 2 tablespoons brown sugar, packed 3 cloves garlic, minced 1 tablespoon freshly grated ginger 1 teaspoon sesame oil teaspoon Sriracha, optional In a small bowl, whisk together soy sauce, rice wine vinegar, brown sugar, garlic, ginger, sesame oil and Sriracha, if using; set aside. In a large pot of boiling water, cook udon noodles according to package instructions; drain well. Heat olive oil in a large skillet over medium high heat. Add ground beef and onion and cook until beef has browned, about 3-5 minutes, making sure to crumble the beef as it cooks; drain excess fat. Stir in bell peppers and broccoli. Cook, stirring frequently, until tender, about 3-4 minutes. Stir in udon noodles and soy sauce mixture until well combined, about 2-3 minutes. Serve immediately, garnished with green onion, if desired.