Potato-and-Celeriac Gratin |
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Prep Time: 0 Minutes Cook Time: 0 Minutes |
Ready In: 0 Minutes Servings: 7 |
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Ingredients:
cooking spray |
2 garlic cloves, halved |
1 small celeriac (celery root), peeled (about 1 1/2 pounds) |
2 pounds yukon gold or red potatoes, peeled and cut into 1/4-inch-thick slices |
4 thyme sprigs, divided |
3 tablespoons all-purpose flour |
1/2 teaspoon salt |
1/4 teaspoon black pepper |
2 cups 1% low-fat milk |
1 cup (4 ounces) grated gruyère cheese, divided |
Directions:
1. Preheat oven to 350°.
2. Rub the sides and the bottom of an 11 x 7-inch baking dish coated with cooking spray with garlic halves. Crush garlic halves; set aside.
3. Cut celeriac into 1/4-inch-thick slices; cut slices into quarters to measure 2 cups, reserving remaining celeriac for another use. Place 2 cups celeriac, potatoes, and 3 thyme sprigs in a large saucepan, and cover with water; bring to a boil. Reduce heat, and simmer 10 minutes or until potatoes are tender; drain and discard thyme.
4. While the potatoes are cooking, combine flour, salt, and pepper in a small saucepan; gradually add milk, stirring with a whisk. Stir in crushed garlic and 1 thyme sprig. Place the pan over medium heat, and cook until thick (about 10 minutes), stirring constantly with a whisk. Remove from heat; stir in 3/4 cup cheese.
5. Arrange potatoes and celeriac in baking dish; pour sauce over vegetables. Sprinkle with 1/4 cup cheese. Bake at 350° for 30 minutes or until lightly browned. Discard thyme.
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