Double Potato Gratin

Total Time: 1 hr 15 mins Preparation Time: 15 mins Cook Time: 1 hr

Ingredients

• Servings: 8
• 1 tablespoon butter, divided in two
• 3 lbs yukon gold potatoes, about 6 large
• 1 lb sweet potato, about 2 large
• 1/4 cup extra virgin olive oil
• 2 teaspoons salt
• 1 teaspoon pepper
• 1 tablespoon chopped fresh rosemary or 1 tablespoon thyme (or 1/2 tsp dried)

Recipe

• 1 preheat oven to 425f.
• 2 line bottom of an 8- 10 cup baking dish with parchment paper& coat with half the butter.
• 3 peel both types of potatoes, cut into 1/4 inch thick slices& arrange the half of the regular potatoes in layers in the prepared dish; sprinkle each layer with some of the olive oil& some of the seasonings.
• 4 arrange all of the sweet potatoes on top; sprinkle with some of the olive oil& seasonings.
• 5 continue layering the remaining regular potatoes, sprinkling each layer as before.
• 6 coat another piece of parchment paper with the remaining butter& place, butter side down, on top of the potatoes.
• 7 weigh this down with a heavy, oven-proof dish (or foil covered bricks) and bake for an hour or until potatoes are tender.
• 8 remove weights& paper; let potatoes rest for 5 minutes before inverting onto a serving dish& removing other piece of parchment.