First preheat oven on 200°. Then wash the sweet patotoes onset the water. Then just cut them to patoto chips. The garlic cloves chop to small pieces. Then take big bow and put there patotoes garlic, salt, black pepper, sweet pepper powder, fresh rosemary and olive oil. Now just mix everything with hands. And that's done. Now just put everything on baking tin. If you think that you wanna extra spice put more salt and sweet pepper. Bake in the over for 45min in 200°.