Kale and Caramelized Onion Gratin – Anolon

Kale and Caramelized Onion Gratin – Anolon

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Discover the flavor magic of Kale and Caramelized Onion Gratin. Perfect for any occasion, this dish showcases deliciously sweet onions and nutritious kale in a irresistible gratin.

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Ingredients

  • 3 tablespoons unsalted butter
  • 4 cups red onion
  • 2 tablespoons sugar
  • 1 teaspoon fresh thyme leaves
  • 3/4 teaspoon salt
  • 1/2 teaspoon ground black pepper
  • 2 bunches kale, ribs removed, torn into 1 1/2-inch piece s
  • 8 ounces Gruyere cheese, shredded
  • 1/2 cup Parmesan cheese, grated
  • 2 1/2 cups heavy cream

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