Directions:
Preheat the oven to 400°F.
Line a large baking tray with sides with foil and spray with cooking spray.
Put the sausage slices, onions, and potatoes into a large bowl. Drizzle with olive oil and season with salt, pepper, paprika, and dried thyme. Toss together and pour on to the baking tray.
Place into the preheated oven and roast for 45 minutes to an hour, stirring half way through, until the potatoes are golden brown and tender.
Scatter the cheese over top and put back into the oven a few minutes to melt the cheese.
Enjoy!