Make Ahead Butternut Squash Gratin

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14 users rated this recipe an average rating of 4.0
  • Makes: 8 servings
  • Prep: 40 mins
  • Chill: Up to 8 hrs
  • Bake: 15 mins 425/475 degree F
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Make Ahead Butternut Squash Gratin
Ingredients
1 3/4
1
tablespoon olive oil
 
Salt and ground black pepper
16
cups fresh spinach*
1
cup half-and-half or light cream
1
tablespoon cornstarch
1/2
cup creme fraiche
Directions
  1. Preheat oven to 425 degree F. Lightly grease a 2-quart baking dish; set aside. Peel the squash. Slice 1/4-inch thick. Remove seeds from slices and halve large slices. Arrange slices in a 15x10x1-inch baking pan. Brush both sides lightly with olive oil. Season with salt and pepper. Bake, uncovered, for 20 minutes. Remove.
  2. Meanwhile in a 4- to 6-quart Dutch oven cook the spinach in lightly salted boiling water, half at a time, for 1 minute or until wilted. Drain and cool slightly; squeeze out excess liquid. Coarsely chop the spinach; set aside. In a medium saucepan combine half-and-half and cornstarch; cook and stir until thickened and bubbly. Stir in spinach; spread mixture in bottom of prepared dish. Arrange squash over spinach mixture. Cover and chill the gratin up to 8 hours.
  3. Preheat oven to 475 degree F. In a small bowl stir together the Parmesan and creme fraiche. Spread mixture over squash in dish. Bake, uncovered, for 15 minutes or until squash is tender and heated through and Parmesan mixture is lightly browned. Season to taste with salt and pepper, if desired. Makes 8 servings.
From the Test Kitchen
Homemade Creme Fraiche:

If purchased creme fraiche is unavailable you can make your own. In a small mixing bowl stir together 1/4 cup whipping cream (not ultrapasteurized) and 1/4 cup dairy sour cream. Cover with plastic wrap. Let stand at room temperature for 2 to 5 hours or until mixture thickens. When thickened, cover and chill in the refrigerator until serving time or up to 48 hours. Stir before serving.

*Frozen Spinach Option:

If desired, substitute two 10-ounce packages frozen chopped spinach, thawed and well drained. Sprinkle with salt. Omit cooking of spinach.

To serve right away:

Chilling step may be omitted. Bake 10 to 15 minutes for final timing.

Nutrition Facts (Make Ahead Butternut Squash Gratin )
    Per serving:
  • 212 kcal cal.,
  • 11 g fat
  • (3 g sat. fat,
  • 36 mg chol.,
  • 255 mg sodium,
  • 9 g carb.,
  • 1 g fiber,
  • 11 g pro.
  • Percent Daily Values are based on a 2,000 calorie diet
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