01 -
In a large skillet over medium-high heat, sear beef stew meat for approximately 5 minutes until browned on all sides.
02 -
Transfer browned beef to a slow cooker. Add chopped onion, minced garlic, cream of mushroom soup, onion soup mix, beef broth, Worcestershire sauce, salt, and pepper. Stir to fully combine.
03 -
Cover and cook on low for 6 to 7 hours or on high for 3 to 4 hours until the beef is exceptionally tender.
04 -
Thirty minutes before serving, whisk flour with 2 tablespoons cold water to make a slurry. Stir into the slow cooker and allow sauce to thicken.
05 -
Meanwhile, cook egg noodles according to package directions. Drain well.
06 -
Spoon the beef and sauce over prepared egg noodles and serve immediately.