In a large skillet, heat oil over medium heat; saute onions with paprika, 1 tablespoon garam masala, 1/2 teaspoon salt and cayenne until tender, 4-5 minutes. Stir in tomato paste; cook and stir 1 minute. Stir in chickpeas and broth; transfer to a 5- or 6-qt. slow cooker., Mix pepper and the remaining 1/2 teaspoon garam masala and 3/4 teaspoon salt; rub over roast. Place in slow cooker. Add carrots and eggplant. Cook, covered, until meat and vegetables are tender, 7-9 hours., Remove roast from slow cooker; break into pieces. Remove vegetables with a slotted spoon; skim fat from cooking juices. Stir in honey. Return beef and vegetables to slow cooker and heat through. Sprinkle with mint. If desired, serve with couscous. Freeze option: Freeze cooled beef and vegetable mixture in freezer containers. To use, partially thaw in refrigerator overnight. Microwave, covered, on high in a microwave-safe dish until heated through, stirring gently.