Stir-Fried Rice Noodles with Beef and Spinach

• 6 ounces uncooked wide rice sticks (rice-flour noodles)
• 1 tablespoon canola oil
• 1 cup thinly sliced green onions
• 2/3 pound top sirloin steak, cut into thin strips
• 2 cups sliced shiitake mushroom caps
• 2 garlic cloves, finely minced
• 1 (6-ounce) bag washed baby spinach
• 2 tablespoons rice vinegar
• 1 tablespoon fresh lime juice
• 3 tablespoons lower-sodium soy sauce
• 2 teaspoons grated peeled fresh ginger
• 2 teaspoons Sriracha (hot chile sauce)
• 1 tablespoon dark sesame oil
• 1/4 teaspoon salt
• 2 teaspoons sesame seeds, toasted

Cook noodles according to package directions, omitting salt and fat. Drain and rinse under cold water; drain.

Heat a large skillet or wok over high heat. Add canola oil to pan; swirl to coat. Add onions and steak; stir-fry 1 minute. Add mushrooms and garlic; stir-fry 1 minute. Add spinach; stir-fry 1 minute or until greens wilt.

Combine rice vinegar and the next 4 ingredients (through Sriracha) in a small bowl, stirring with a whisk. Add vinegar mixture to steak mixture; cook 30 seconds, stirring constantly. Stir in noodles, sesame oil, and salt; cook for 1 minute or until noodles are thoroughly heated, tossing to combine. Sprinkle with sesame seeds.