Tumpukan Ubi Jalar Thyme Parmesan Renyah

Bahan-bahan (6 porsi)

• 1 stick (1/2 cup) salted butter
• 1 -2 cloves garlic, grated
• 6 medium sweet potatoes, cut into 1/8 inch thick slices
• 2 tablespoons chopped fresh thyme
• 2 teaspoons chopped fresh oregano
• 1/2 cup grated parmesan cheese
• 1/4 cup grated manchego cheese
• kosher salt and black pepper