Preheat the oven to 400 degrees.
1. Combine all ingredients in a large bowl and toss to coat evenly.
2. Transfer ingredients to a baking sheet and roast in the oven for 15 minutes. Toss with a spatula, then roast for an additional 15 minutes or until the potatoes are golden brown and tender. Remove from heat and transfer to a serving bowl. Add the rosemary sprigs for garnish and serve!