1
Adjust rack to middle and top positions and preheat oven to 425 degrees. Wash and dry produce.
Cut potatoes into 1⁄2-inch-thick wedges. Halve lemon.
Toss potatoes on a baking sheet with a drizzle of oil, half the garlic powder, salt, and pepper. Roast on top rack until browned and tender, 20-25 minutes.