Sweet-Potato Gratin

sweet-potato-gratin
Photo by David Prince
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  • Serves 4
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  • Nutritional Information
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    Nutritional Information

    Per Serving

    • Calories 638 calories
    • Calories 53 calories from fat
    • Fat 38 g
    • Sat Fat 23 g
    • Cholesterol 109 mg
    • Sodium 1064 mg
    • Protein 24 mg
    • Carbohydrate 53 g
    • Fiber 6 g
    • Iron 2 mg
    • Calcium 619 mg

Heat oven to 400º F.Lightly coat a 9-inch square baking dish with vegetable cooking spray.In a medium saucepan, over medium heat, melt the butter and add the onion; cook until softened, about 10 minutes. Remove from heat, stir in the flour, then whisk in the milk, rosemary, salt, and a few grinds of pepper. Heat to boiling, whisking constantly. Stir in the sweet potatoes.Transfer to the baking dish and sprinkle with the Cheddar and bread crumbs. Bake for 30 minutes or until golden.  

Ingredients

  1. Check 5 tablespoons unsalted butter
  2. Check 1 large onion, chopped (about 2 cups)
  3. Check 1/2 cup all-purpose flour
  4. Check 2 cups whole milk
  5. Check 1 tablespoon fresh rosemary leaves, chopped
  6. Check 1 teaspoon kosher salt
  7. Check freshly ground black pepper
  8. Check 3 large sweet potatoes, peeled and shredded (about 4 1/2 cups)
  9. Check 2 cups Cheddar, shredded (8 ounces)
  10. Check 1 slice whole-wheat bread, ground in a food processor (1/2 cup)

Directions

  1. Heat oven to 400º F.
  2. Lightly coat a 9-inch square baking dish with vegetable cooking spray.
  3. In a medium saucepan, over medium heat, melt the butter and add the onion; cook until softened, about 10 minutes. Remove from heat, stir in the flour, then whisk in the milk, rosemary, salt, and a few grinds of pepper. Heat to boiling, whisking constantly. Stir in the sweet potatoes.
  4. Transfer to the baking dish and sprinkle with the Cheddar and bread crumbs. Bake for 30 minutes or until golden.