01 -
In a 5-6 quart slow cooker, mix the cream of mushroom soup, beef broth, dry onion soup mix, and A1 steak sauce. Whisk together until well combined.
02 -
Add the frozen meatballs to the slow cooker and stir to coat them in the sauce mixture. Cover the slow cooker and cook on low for 6-8 hours or on high for 3-5 hours.
03 -
If serving with egg noodles, bring a pot of water to a boil and cook the noodles according to package instructions. Drain the noodles well after cooking.
04 -
Once the meatballs have finished cooking, stir the sour cream into the slow cooker until fully combined.
05 -
Mix the cooked noodles with the meatball mixture or serve the meatballs on top of the noodles. Serve immediately.