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Creamy Spinach Gratin

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Creamy Spinach Gratin is a rich and comforting baked side dish made with tender spinach, creamy béchamel, and melty cheese. It’s the perfect way to serve leafy greens in a decadent, crowd-pleasing way.

Ingredients

  • 1 lb fresh spinach (or 10 oz frozen spinach), chopped and drained
  • 2 tbsp butter
  • 1 small onion or shallot, finely diced
  • 2 cloves garlic, minced
  • 2 tbsp all-purpose flour
  • 1 1/2 cups whole milk or heavy cream
  • 1/4 tsp ground nutmeg (optional)
  • Salt and pepper, to taste
  • 1/2 cup grated Parmesan cheese
  • 1/2 cup shredded Gruyère, mozzarella, or cheddar
  • 1/4 cup breadcrumbs (optional, for topping)

Instructions

  1. Preheat oven to 375°F (190°C). Lightly grease a small baking or gratin dish.
  2. If using fresh spinach, sauté until wilted, then drain and chop. If using frozen, thaw and squeeze out excess moisture.
  3. In a saucepan over medium heat, melt butter and cook onion until soft, about 5 minutes. Add garlic and cook 1 minute more.
  4. Stir in flour and cook for 1–2 minutes to form a roux. Gradually whisk in milk or cream.
  5. Simmer until thickened. Stir in salt, pepper, and nutmeg if using.
  6. Add half the cheese to the sauce and stir until melted.
  7. Fold in the spinach and mix to combine. Transfer to prepared baking dish.
  8. Top with remaining cheese and breadcrumbs, if desired.
  9. Bake for 20–25 minutes, until bubbly and golden brown on top. Let cool slightly before serving.

Notes

  • Drain spinach thoroughly to prevent watery texture.
  • Use cream instead of milk for a richer gratin.
  • Add cooked bacon or mushrooms for more flavor.

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