This spinach gratin recipe will be at home on any dinner menu, be it for a relaxed family supper or a special holiday meal. A touch of thyme and a dusting of cheese sparks up the flavor of this beloved classic dish.
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Prep Time: 10 minutes
Cook Time: 30 minutes
Total Time: 40 minutes
Yield: 4 servings
- 1 small onion, finely chopped
- 1 tablespoon olive oil
- 2 tablespoons all-purpose flour
- 3/4 teaspoon salt
- 1/4 teaspoon ground black pepper
- 1/4 teaspoon dried thyme, crushed
- 2 pounds spinach, rinsed, drained, and chopped
- 1 cup whole milk
- 1/2 cup heavy cream
- 3 tablespoons butter, melted
- 1 cup bread crumbs
- 1/4 cup Parmesan cheese
How to make spinach au gratin:
Preheat the oven to 375F and butter a gratin dish.
Sauté the onion in the olive oil for five minutes in a medium saucepan set over medium heat. Sprinkle the flour over the onions and continue sautéing the mixture for 30 seconds. Add the salt, pepper, dried thyme, and spinach to the pan and stir until the ingredients are combined. Cover the pan with a lid and turn the heat to low. Allow the spinach to wilt for 3 minutes.
Stir the milk and heavy cream into the spinach mixture and turn it out into the buttered gratin dish. Stir together the melted butter, bread crumbs, and 1/4 cup Parmesan cheese, and sprinkle the bread crumbs over the gratin. Bake the spinach gratin in the preheated oven for 15 to 20 minutes, until it is hot and bubbly, and the bread crumbs have turned golden brown.
This spinach gratin recipe makes 4 side dish servings.
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