INGREDIENTS
1 1/4 lb
boneless beef sirloin steak, cut into thin strips
1 tbsp
Montreal steak seasoning
4 tbsp
butter
1
package (8 oz) white mushrooms, thinly sliced
1/2 cup
finely chopped onion
1
carton (32 oz) Progresso™ beef-flavored broth
1/2 cup
sour cream (from 8-oz container)
4 cups
uncooked medium egg noodles (about 8 oz)
Finely chopped fresh Italian (flat-leaf) parsley, if desired