Heat oil in a large skillet over medium-high heat. Add vegan sausage slices and cook until brown on both sides, about 5 minutes. Remove from skillet and set aside on a plate.
Add onion, and cook until soft, about 2 minutes.
Stir in garlic, bell pepper, and broccoli, and cook while stirring regularly for about 5 minutes.
Add paprika, Italian seasoning, and garlic powder.
Add the cooked quinoa and stir to coat.
Season with salt and cayenne pepper to taste, add green onions and sausage and do a quick stir.
Remove from the heat and serve.