Parmesan Roasted Potatoes

Bahan-bahan (4 porsi)

• 3/4 pound mini gold potatoes (scrubbed and halved)
• 1 1/2 tablespoons extra-virgin olive oil
• 1/4 teaspoon garlic powder
• 1/4 teaspoon kosher salt
• 1/8 teaspoon ground black pepper
• 2 1/2 ounces Parmesan cheese (freshly grated, a heaping 3/4 cup)
• 2 teaspoons truffle oil (optional)