If you prefer a hands-off approach to cooking, this slow cooker Rogan Josh recipe is perfect for you. With just a few minutes of prep time, you can let your slow cooker do all the work while you go about your day. This recipe calls for boneless lamb or beef, onions, tomatoes, yogurt, and a blend of aromatic spices like cardamom, cinnamon, cloves, and bay leaves. Simply combine all the ingredients in the slow cooker and cook on low for 6-8 hours or on high for 3-4 hours. The result is a tender and flavorful Rogan Josh that pairs perfectly with steamed rice or naan bread.