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Chipotle Sweet Potato Gratin

10/15/2014, 8:25 p.m.
SERVINGS: 12

SERVINGS: 12

Ingredients

  • 3 ½ lb sweet potatoes
  • ¼ cup butter
  • ¾ cup chopped onion
  • 2 cloves garlic, finely chopped
  • ¼ cup all-purpose flour
  • 2 ½ cups half-and-half
  • 1 ½ teaspoons salt
  • ½ teaspoon ground cumin
  • ¼ teaspoon pepper
  • 3 cups shredded Monterey Jack cheese (12 oz)
  • 1 to 2 tablespoons finely chopped chipotle chiles in adobo sauce (from 7-oz can)

DIRECTIONS:

  1. In 4-quart Dutch oven, place sweet potatoes and just enough water to cover potatoes. Heat to boiling; reduce heat to medium-low. Cover; cook 20 minutes or until almost tender. Drain; cool slightly. Peel potatoes; cut crosswise into 1/2-inch slices.
  2. 
Heat oven to 350°F. Spray 2-quart oval gratin dish or 3-quart casserole with cooking spray. Arrange potato slices overlapping in gratin dish.
  3. 
In 3-quart saucepan, melt butter over medium heat. Cook onion and garlic in butter, stirring frequently, until tender. Sprinkle flour over onion mixture; cook 1 minute, stirring constantly. Gradually add half-and-half, stirring constantly until thickened and bubbly. Stir in salt, cumin and pepper. Add cheese and chipotle chiles; stir until cheese is melted. Pour cheese sauce over potatoes.
  4. 
Bake uncovered 45 minutes or until lightly browned and bubbly. Let stand 15 minutes before serving.