Add potatoes to baking sheet. Toss with olive oil, garlic, and rosemary and season generously with salt and pepper. Best Way To Keep Banana Bread Fresh. Roast until crispy, stirring occasionally, 1 hour to 1 hour 15 minutes. Add more rosemary.
Preheat oven to 400 degrees. Place the potatoes and rosemary on a straight-sided baking sheet. Drizzle with olive oil and season with salt and pepper. Shake pan to coat potatoes. Roast for 30 to 40.