Break noodles in half; cook according to package directions. Drain (do not rinse).
Meanwhile, season beef with salt and pepper. Toss with flour. Heat oil in a 12-inch skillet over medium-high heat. Add meat, any remaining flour, and the tomatoes to skillet. Cook 3 to 4 minutes or until beef is well browned, stirring often. Add mushrooms and garlic. Cook 5 minutes more. Add broth; cook 3 to 4 minutes more or until beef is done and liquid is slightly thickened.
Add cooked noodles to skillet; stir gently to coat. Heat through. Spoon into pasta bowls to serve.