• 1/3 cup olive oil
• 6 large Russet potatoes , peeled and cut into 1 1/2-inch pieces
• 24 cloves garlic (unpeeled)
• 12 shallots , roots trimmed (unpeeled)
• 1 teaspoon salt
• 1/2 teaspoon freshly ground pepper
• 1/2 cup fresh rosemary leaves

Preheat oven to 425°. Pour oil into a large roasting pan; transfer to oven and heat 10 minutes.

Meanwhile, combine potatoes, garlic, shallots, salt, and pepper in a large bowl.

Carefully transfer vegetables to hot roasting pan; roast 30 minutes. Stir in rosemary; roast until vegetables are tender, about 30 minutes.

Increase oven temperature to broil. Broil vegetables, 4 inches from heat, until crisp, 2 to 3 minutes.