1 onion, cut into thin wedges
1 Tbsp. oil
1 can (14.5 oz.) fat-free reduced-sodium beef broth
1 can (8 oz.) mushroom pieces and stems, undrained
4 cups egg noodles, uncooked
1 container (8 oz.) BREAKSTONE'S or KNUDSEN Sour Cream
COOK meat and onions in hot oil in large skillet on medium-high heat 10 min. or until meat is evenly browned, stirring frequently.
ADD broth, mushrooms and noodles; stir. Bring to boil; cover. Simmer on medium-low heat 10 to 12 min. or until noodles are tender.
STIR in sour cream; cook 2 min. or until heated through, stirring occasionally.