2 (7-ounce) refrigerated udon noodles, seasoning sauce packets discarded*
1 tablespoon olive oil
8 ounces beef top sirloin filet, thinly sliced across the grain
8 ounces cremini mushrooms, sliced
6 ounces broccoli florets
2 carrots, diced
1/3 cup reduced sodium soy sauce
3 tablespoons oyster sauce
1 tablespoon brown sugar, packed
1 tablespoon freshly grated ginger
2 cloves garlic, pressed
1 teaspoon sesame oil
1/4 teaspoon crushed red pepper flakes
1/4 teaspoon ground black pepper