Beef Teriyaki

This is just plain good.
14 oz package rice noodles (Asian isle, I used about 2/3 the package)
2 T oil
2 lbs boneless beef sirloin, cut in thin strips
Salt
1 onion, sliced or chopped
1 -2 red bell pepper, seeded and sliced
8 oz mushrooms, sliced
2 cloves garlic, pressed or sliced
1T cornstarch
1 can beef broth
1/4 cup teriyaki sauce( Soy Vay brand is good)
2 T rice vinegar ( I didn't use)
Boil 8 cups of water. Remove from heat and add noodles. Stir to separate and let stand 10 mins. in large skillet add oil and meat, season with salt and  cook stirring over med-high heat till done. Set meat aside on plate. To hot skillet add onion, bell pepper, mushroom and garlic. Cook 5-8 mins. Combine broth and starch add to veggies, simmer 1 minute till thickened. Stir in beef, drained noodles, teriyaki and vinegar. Simmer a few mins more, stirring till hot. Serves 4-6. Optional: sprinkle servings with sesame seeds.