Place the cubed lamb, diced onion, and minced garlic into the slow cooker.
Add the drained chickpeas, diced tomatoes, and beef broth.
Stir in the cumin, cinnamon, ginger, turmeric, salt, and black pepper until the spices are evenly distributed.
Scatter the chopped dried apricots over the top.
Cover and cook on low for 8 hours until the lamb is tender.
Serve the tagine over cooked couscous and sprinkle with fresh cilantro.