Onion Soup Slow Cooker Pot (Print Version)

Savory beef and vegetables cooked slowly with onion mix for a comforting main dish.

# Ingredient List:

→ Beef

01 - 3 lbs chuck roast, trimmed

→ Seasoning & Soup Mix

02 - 1 packet onion soup mix, approximately 1 oz
03 - 1 teaspoon black pepper
04 - 1 teaspoon dried thyme, optional

→ Vegetables

05 - 1 lb carrots, peeled and cut into 2-inch pieces
06 - 1 lb baby potatoes, halved
07 - 3 celery stalks, cut into 2-inch pieces
08 - 1 large onion, cut into wedges

→ Liquids

09 - 2 cups beef broth
10 - 2 tablespoons tomato paste
11 - 2 tablespoons Worcestershire sauce

→ Gravy Thickener

12 - 2 tablespoons cornstarch
13 - 2 tablespoons cold water

# Recipe Steps:

01 - Pat the beef chuck roast dry with paper towels. Season with black pepper and dried thyme if using.
02 - Place carrots, potatoes, celery, and onion in the bottom of the slow cooker.
03 - Lay the seasoned roast on top of the vegetables.
04 - In a bowl, whisk together beef broth, onion soup mix, tomato paste, and Worcestershire sauce. Pour over the roast and vegetables.
05 - Cover and cook on LOW for 8 hours, or alternatively on HIGH for 5 to 6 hours, until the roast is fork-tender and vegetables are cooked through.
06 - Transfer the roast and vegetables to a serving platter.
07 - Optional step: Mix cornstarch with cold water to create a slurry. Stir into the slow cooker, cover, and cook on HIGH for 5 to 10 minutes until the gravy reaches desired thickness.
08 - Slice or shred the roast. Arrange on a platter with vegetables and spoon gravy over the top.

# Expert Suggestions:

01 -
  • The onion soup mix does all the heavy lifting for seasoning, so you get restaurant-quality flavor without fussing with a dozen spices.
  • Eight hours of hands-off cooking means you can actually enjoy your day instead of babysitting a pot on the stove.
  • Those vegetables become fall-apart tender and soak up every bit of that rich, savory gravy.
02 -
  • Don't skip the step of drying the roast; any surface moisture keeps it from developing those subtle browned edges that add invisible depth to the whole dish.
  • If your slow cooker runs hot, check at hour six instead of hour eight—every appliance is different, and overdone roast becomes grainy and loses its tender charm.
03 -
  • Always use at least a 6-quart slow cooker so the meat has space and cooks evenly without crowding.
  • Cut your vegetables to roughly the same size so they finish cooking at the same moment as the roast—uniform pieces are your secret to a dish where everything is perfectly done together.
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