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Dinner · Part 2 of 3: Instructions

Slow Cooker Smothered Beef Short Ribs and Potatoes Step-by-step instructions

A plate featuring tender bone-in beef short ribs with halved red potatoes and onion gravy.
Prep
Cook
Total
Serves
6
Includes 10 min resting

Before you start

Before starting, ensure the slow cooker insert is clean and dry. Remove the beef short ribs from the refrigerator about 20 minutes before beginning to take the chill off, which helps the meat cook more evenly.

Wash the potatoes thoroughly and slice them, ensuring all pieces are roughly the same size to ensure even cooking. Peel and slice the onions into uniform half-moons, and ensure all ingredients are measured and ready to be placed into the cooker to streamline the assembly process.

Ingredients at a glance (5)
  • 4 lbs bone-in beef short ribs
  • 2 lbs red potatoes, halved
  • 2 large onions, sliced into half-moons
  • 1 packet onion soup mix
  • 2 cups beef broth

Instructions

Preparation and assembly

  1. Assemble the ingredients
    Place the raw bone-in beef short ribs into the bottom of the slow cooker insert. Add the halved red potatoes and the sliced onions on top of the meat, ensuring they are distributed evenly for consistent cooking throughout the pot.
    Look for The ribs should be arranged in a single layer if possible, or tightly packed.
    Tip If the slow cooker is narrow, ensure the potatoes do not prevent the lid from closing tightly.

At the end of this phase, the slow cooker should be neatly arranged with the beef ribs, halved potatoes, and sliced onions. The ingredients should be layered to ensure the meat is in direct contact with the bottom of the vessel, where the heat is most concentrated. Ensure the lid fits snugly and the slow cooker is plugged in and ready to begin the long, slow braising process.

Seasoning and braising

  1. Season and add liquid
    Sprinkle the onion soup mix evenly over the ribs, potatoes, and onions. Pour the beef broth over the contents of the slow cooker. Cover the slow cooker with its lid to trap the moisture and heat inside during the cooking process.
    Look for Ensure the soup mix is distributed across the top so it dissolves into the broth.
    Tip Pouring the broth slowly helps prevent splashing the sides of the slow cooker.

The ingredients are now seasoned and submerged in the broth. The slow cooker should be set to the low setting. Check that the liquid level is sufficient to cover about two-thirds of the contents. The mixture will begin to release aromatics as it heats up, creating a pleasant savory scent in the kitchen. Ensure the unit is placed on a heat-resistant surface away from any overhanging cabinets.

Final cooking and resting

  1. Slow cook and serve
    Cook on low heat for 8 hours until the beef is fork-tender and reaches an internal temperature of at least 145°F (63°C). Once finished, turn off the slow cooker and allow the meat to rest for 10 minutes before serving with the thickened gravy.
    Look for The meat should be pulling away from the bone and the potatoes should be soft when pierced with a fork.
    Safe temperature 145°F (63°C) internal temperature (steaks, chops and roasts)
    Tip If a thicker gravy is desired, remove the meat and potatoes and whisk in a cornstarch slurry before serving.

After the full cooking time, the kitchen will smell deeply savory. The ribs should be visibly tender and the liquid should be reduced into a rich, flavorful gravy. Verify the internal temperature of the ribs with a thermometer.

Once done, turn off the heat and let the dish sit undisturbed for 10 minutes. This resting phase allows the meat fibers to relax, ensuring the final result is as succulent as possible.

Common mistakes

A common mistake is overcrowding the slow cooker, which can prevent heat from circulating properly and lead to unevenly cooked meat. Another error is removing the lid too frequently; every time the lid is lifted, heat escapes and the cooking time is extended by 15 to 20 minutes.

Additionally, ensure the onion soup mix is not clumped together when added, as this can result in uneven seasoning. Finally, failing to allow the meat to rest for at least 10 minutes before serving can cause the juices to redistribute poorly, leading to drier meat.

How to tell it’s done

The short ribs are done when they are fork-tender and the meat pulls away from the bone with minimal resistance. Use a meat thermometer to ensure the internal temperature has reached at least 145°F (63°C).

The potatoes should be soft when pierced with a fork but not falling apart. If the meat still feels tough or resistant to the fork, continue cooking for another 30 to 60 minutes, as slow cooker temperatures can vary between different models.

  • Steaks, chops and roasts: 145°F (63°C) in the thickest part, then a 3-minute rest

Coming up in Part 3: common questions

  • Can this recipe be made with boneless beef short ribs?
  • Why is it important to let the meat rest after cooking?
  • Can this be frozen for later use?

Also in Part 3: variations (Herb-Infused Ribs, Vegetable Medley), storage and make-ahead, and the printable recipe card.

Up next · Part 3 of 3

2 variations · storage & make-ahead · 3 answers · printable card

Tips, FAQ & printable recipe (Part 3)← Back to the ingredients (Part 1)