Ingredient:

• 3 tablespoons butter
• 1 tablespoon olive oil
• 2 shallots, thinly sliced
• 4 garlic cloves, minced
• 1 teaspoon salt
• 1 teaspoon pepper
• 4 medium Yukon Gold potatoes, sliced 1/8-in. thick
• 1-1/2 cups shredded Parmesan cheese
• 2 teaspoons minced fresh thyme