Before you do anything set the oven to 450 F.

Cover a baking pan with a large piece of foil.

Get a large mixing bowl: Add the potatoes, mushrooms, onion, red bell pepper, garlic, oliveoil, salt, and pepper then mix them well.

Lay the mix on the lined up baking pan.

Cook it in the oven for 16 min.

Stir them then cook them for 22 min.

Place a large skillet on medium heat.

Add the prosciutto and cook it for 5 min until it becomes crisp.

Transfer it to a working surface and cut it into small dices.

Serve the roasted potatoes with basil, parmesan, parsley and prosciutto.