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Butternut Squash and Kale Strata


Butternut Squash and Kale Strata

Strata is traditionally served for breakfast or brunch, but it can make for a wonderful meal any time of day—just serve with a green salad for a hearty, filling feast.
Servings 8

Ingredients
  

  • 3 tablespoons olive oil divided
  • 2 yellow onions thinly sliced
  • Kosher salt to taste
  • Freshly ground black pepper to taste
  • 2 cloves garlic minced
  • 2 teaspoons chopped fresh thyme
  • Pinch red pepper flakes
  • 12 ounces kale ribs discarded and leaves chopped
  • 2 tablespoons unsalted butter
  • ¼ cup all-purpose flour
  • cups whole milk divided
  • 1 cup heavy cream
  • ½ cup sour cream
  • 8 large eggs
  • 1- pound loaf crusty multigrain bread cut into 1-inch pieces
  • 2 pounds butternut squash peeled and diced
  • 1 cup grated smoked cheddar cheese divided

Instructions
 

  • ►Warm 2 tablespoons olive oil in a large skillet over medium heat. Add onions, reduce heat to medium-low, and cook, stirring occasionally, until golden and caramelized, about 25 minutes. Season with salt and pepper. Stir in garlic, thyme, and red pepper flakes and cook for 1 minute.
  • ►Add remaining 1 tablespoon olive oil and kale. Increase heat to medium-high and cook, tossing, until kale is wilted and tender, about 5 minutes. Transfer mixture to a bowl to cool.
  • ►Melt butter in same skillet. Add flour, reduce heat to medium, and cook, whisking constantly, until a light golden paste forms. Whisk in 1 cup milk, season with salt and pepper, and cook, whisking, until mixture is very thick and no floury taste remains, 8 to 10 minutes. Remove from heat and whisk in heavy cream, sour cream, and remaining 1½ cups milk. Let cool for at least 10 minutes, then whisk eggs into mixture.
  • ►Heat oven to 325°F. Generously grease a 9-inch-by-13-inch baking pan.
  • ►Combine kale mixture, milk mixture, bread, butternut squash, and ½ cup smoked cheddar in a large bowl. Mix well and pour strata mixture into prepared baking dish. Let stand for 30 minutes, pressing down bread occasionally.
  • ►Bake strata for 55 minutes to 1 hour, until almost set. Increase oven temperature to 475°F. Sprinkle remaining ½ cup cheese on top and bake for about 10 minutes more, until top is lightly browned. Let strata stand for 15 minutes before serving.
Photographed by Jennifer Silverberg.

Cassy Vires

Cassy is an award-winning chef, culinary educator, and avid baker located in St. Louis, MO.

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