Preheat oven to 425 degrees F and line a sheet pan with parchment paper.
In a bowl, add pumpkin, coriander, cumin, onion powder, garlic powder, ½ teaspoon salt, ¼ teaspoon pepper, and 2 tablespoons oil. Mix together then arrange pumpkin on sheet pan in a single layer. Roast for 30 minutes, turning halfway.
In a large bowl, add remaining ½ teaspoon salt, ¼ teaspoon pepper, 4 tablespoons oil, lemon zest and juice, and honey and whisk together well. Add cous cous and mix well.
Add cooked pumpkin and mix together.
Add feta, mint, and pecans and combine gently. Garnish with pomegranate.