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Dinner · Part 2 of 3: Instructions

Slow Cooker Lamb and White Bean Stew for Easy Weeknight Dinners Step-by-step instructions

A top-down view of raw lamb cubes, white beans, and tomatoes in a slow cooker, ready to be cooked.
Prep
Cook
Total
Serves
4
Includes 5 min resting

Before you start

Before starting, ensure your slow cooker is clean and positioned on a level, heat-resistant surface. Gather all ingredients and measure the dried thyme accurately. Make sure the lamb is cut into uniform cubes, roughly one inch in size, to ensure they cook through evenly.

If the lamb was refrigerated, remove it from the fridge about 20 minutes before assembly to take the chill off, which helps the cooking process begin more efficiently as soon as the heat is applied.

Ingredients at a glance (4)
  • 1 lb lamb shoulder, cut into cubes
  • 2 cups canned white beans, drained
  • 1 tsp dried thyme
  • 28 oz crushed tomatoes

Instructions

Assembly Phase

  1. Assemble the stew ingredients
    Place the cubed lamb shoulder into the base of the slow cooker. Scatter the drained white beans over the meat, then sprinkle the dried thyme evenly across the top.
    Look for The bottom of the slow cooker should be evenly covered with the meat.
    Tip Ensure the lamb pieces are cut into uniform sizes for even cooking throughout the process.

At the end of this phase, the lamb should be distributed evenly across the bottom of the slow cooker, topped with a layer of white beans and a light, even dusting of dried thyme. The ingredients should look organized and ready to receive the tomato base. Check that the slow cooker is plugged in and set to the low heat setting before proceeding to ensure the cooking process begins immediately without any delays.

Simmering Phase

  1. Add tomatoes and simmer
    Pour the crushed tomatoes over the ingredients in the slow cooker. Cover and cook on the low setting for approximately 8 hours until the lamb reaches an internal temperature of 145°F (63°C). Let the meat rest at least 3 minutes before serving.
    Look for The sauce should be bubbling gently and the lamb should be soft enough to pull apart easily with a fork.
    Safe temperature 145°F (63°C) internal temperature (steaks, chops and roasts)
    Tip Avoid lifting the lid frequently during the cooking process to maintain a consistent internal temperature.

During this phase, the kitchen will fill with the savory aroma of slow-cooked lamb and herbs. The tomatoes will have broken down into a rich, thickened sauce that coats the meat and beans.

The stew should appear glossy and dark, with the lamb pieces visibly tender. Before concluding this phase, verify that the lamb has reached the necessary temperature and that the sauce has reached your desired level of thickness and flavor concentration.

Resting Phase

  1. Rest and serve
    Once the cooking time is complete, allow the stew to rest for 5 minutes before serving in warm bowls. This ensures the flavors meld together perfectly.
    Look for The stew will thicken slightly and become glossy as it rests.
    Tip If the stew appears too thick, add a small splash of water or broth to adjust the consistency to your preference.

In this final phase, the stew settles, allowing the intense flavors to balance and the sauce to thicken slightly further. The stew should appear cohesive, with the beans perfectly tender and the lamb integrated into the fragrant tomato sauce.

It should look steaming and inviting. Check that the stew is hot throughout and ready to be ladled into bowls. Ensure the resting time has passed to provide the best texture for serving.

Common mistakes

A common mistake is overcrowding the slow cooker, which can prevent even cooking. Ensure the lamb is spread in a single layer at the bottom for the best results.

Another error is checking the stew too often; every time the lid is lifted, heat escapes, adding significantly to the required cooking time. Finally, do not forget to drain the beans; adding the canning liquid can make the stew too starchy and alter the intended consistency of the tomato base.

How to tell it’s done

The lamb is fully cooked when it reaches an internal temperature of 145°F (63°C). At this stage, the meat should be exceptionally tender and easy to shred with a fork. The sauce will have a glossy, thickened consistency from the interaction of the tomato juices and the beans. Ensure the meat has been held at this safe temperature for at least 3 minutes to confirm proper doneness before serving the stew to your guests.

  • 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 stew be made with a different type of bean?
  • Is it necessary to sear the lamb before slow cooking?
  • How can the stew be thickened if it is too watery?

Also in Part 3: variations (Spicy Lamb Stew, Herbed Lamb Stew), 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)