Easy Oven Roasted Potatoes 2 large potatoes, scrubbed 3 Tbsp olive oil 1 Tbsp Italian Seasoning 1 tsp salt 4 Tbsp Parmesan cheese Slice potatoes into very thin slices (1/4 inch). big ziploc bag to coat the potatoes. Toss potatoes with olive oil, Italian seasoning and salt in a ziplock bag to coat. Place in a single layer on a baking sheet lined with foil. Bake at 450 for 15 -20 minutes, until lightly brown. Top with Parmesan cheese and bake an additional 5 minutes.