Step 1

Turn the slow cooker on low and place the marrow bones in the center of the insert.

Step 2

Heat tallow or cooking fat in a large skillet over high heat while you cube the roast. Sear the meat on all sides. Cook in batches, if needed. Add cooked meat to the crockpot.

Step 3

Arrange the vegetables around and on top of the meat. Add the herbs and season with salt and pepper.

Step 4

Pour broth in the pot.

Step 5

Cover with the lid. Cook on LOW for 6-8 hours or HIGH for 3-4 hours.