Serve this spice-laced North African stew over bulgur, couscous, or rice.
1. To make Spice Blend: Combine all ingredients in small bowl.
2. To make Tagine: Heat oil in pot over medium-high heat. Add leek and bell pepper; sauté 3 minutes. Add potatoes, chickpeas, garlic, and Spice Blend; cook 30 seconds. Stir in apricots, olives (if using), and 2 cups water; season with salt and pepper, if desired. Cover, and bring to a boil. Reduce heat to medium-low, and cook 20 minutes, or until potatoes are tender. Serve sprinkled with cilantro.