Using a sharp knife, trim fat from sirloin and slice on a diagonal across the grain. Approx. ¼ inch strips.
Heat non-stick skillet on medium-high heat. When heated, cook steak for 3 minutes. Drain grease.
Place skillet back on heat. When hot, add steak, garlic, onion, and mushrooms. Saute for 2 minutes.
Add beef broth and next 5 ingredients; bring to boil. Cover, reduce heat, and simmer 50 minutes or until meat is tender.
Cover skillet, reduce heat, simmer for approx 50 minutes or until steak is tender.
Remove from heat; add sour cream and stir to mix in.
Notes
12 Points®MyWW Points: 9 Blue Plan and 9 Green PlanWe are not associated with Weight Watchers/WW in any way. Double check points on their official calculator.