Combine all of the ingredients for the dip and keep in the fridge till ready to serve
Heat the oven to 190. C
Place the potatoes in a large bowl.
Toss the potatoes with olive oil, butter, salt, rosemary, paprika, black pepper, garlic, lemon juice, zest, parmesan and parsley.
Place the potatoes on a baking sheet.
Bake for 30 minutes and then give the potatoes a quick toss.
Return them to the oven and bake for another 10-15 minutes, or until the potatoes are fork-tender and golden brown.
Toss with the extra parsley leaves before serving.