Preheat oven to 400 degrees F. Coat an unheated large nonstick skillet with cooking spray. In skillet cook ground beef, pumpkin, sweet pepper, onion, and garlic over medium heat until meat is brown and onion is tender, using a wooden spoon to break up meat as it cooks. Drain off fat. Stir corn, couscous, and spice blend into meat mixture in skillet. Heat through. Add broth and cream cheese, stirring until well mixed. Spoon mixture into a 2-quart baking dish.
In a medium bowl combine cornmeal, flour, sugar, baking powder, and salt. In a small bowl whisk together milk, egg, and oil; add to cornmeal mixture all at once. Stir just until moistened. Pour batter over beef mixture in dish.
Bake about 20 minutes or until a wooden toothpick inserted into topper comes out clean. If desired, garnish with mint and pumpkin seeds.
Moroccan Spice Blend
In a small bowl stir together cumin, coriander, ginger, salt, and cinnamon.