Preheat oven to 220°C. Throw potatoes in an oven dish, halving any larger ones. Drizzle in oil from the sundried tomatoes and stir. Bake for 20 minutes.
Meanwhile, chop the onion and dice the peppers. Half the cherry tomatoes. Tear the sausages into bite-sized pieces and set aside.
Blitz the sundried tomatoes, garlic, olives, paprika and herbs in a blender. Loosen up with a splash of water.
Remove dish from oven and partially crush the potatoes with a masher. Layer over the veg and sausages then top with the tomato sauce.
Stir briefly without over mixing and bake for 30 minutes. Season your portion.