Parmesan Roasted Sweet Potatoes

Bahan-bahan (4 porsi)

• 1 ½ pounds sweet potatoes (about 2 medium)
• 2 cloves garlic (minced)
• 2 tablespoons olive oil
• ¼ cup shredded Parmesan cheese
• 2 sprigs fresh thyme (or ¼ teaspoon dried thyme leaves)
• salt and pepper to taste