Ingredients

  • 4 tablespoons unsalted butter, plus more for pan
  • 1/2 red onion, chopped
  • Kosher salt and freshly ground black pepper
  • 2 cloves garlic, minced
  • 2 teaspoons red chili flakes
  • 1 3/4 cups heavy cream
  • 1 cup shredded Parmesan
  • 1 teaspoon ground nutmeg
  • 1/2 cup sour cream
  • 2 (10-ounce) packages frozen chopped spinach, thawed and squeezed dry
  • 1/2 cup packaged fried onions (recommended: French's)

Method

  • Preheat the oven to 375 degrees F. Butter an 8 by 8-inch baking dish.
  • Melt the butter in a large skillet over medium-high heat.
  • Add the onion and a pinch of salt.
  • Saute for 3 minutes, then add the garlic and red chili flakes and saute for 2 more minutes.
  • Add the heavy cream, Parmesan, and nutmeg.
  • Heat until the cream is just beginning to bubble, stirring often.
  • Turn the burner off and stir in sour cream and spinach.
  • Adjust the seasoning with salt and pepper, to taste.
  • Pour into the prepared baking dish and sprinkle the top evenly with fried onions.
  • Bake until golden and bubbly, 15 to 20 minutes.