Preheat oven to 400°F or 200°C.
Add pumpkin to a baking sheet, drizzle with olive or melted coconut oil and season with black pepper to taste. Roast for 30 minutes. Halfway through add chickpeas, toss to combine and roast for the remaining 15 minutes.
Meanwhile, cook quinoa according to the instructions on the package.
In a skillet, heat cooking oil over medium heat. Saute onion for 2-3 minutes, then stir in garlic and ginger and cook until onions are soft.
Add tomatoes and cook until they fall apart and form a sauce-like consistency. Season with salt and black pepper to taste.
Add chopped parsley to the cashew or sour cream. Mix well
When ready combine quinoa with the roasted veggies and tomato sauce. Mix well and top with cashew cream and extra roasted cashew nuts, if using.