Creamy Baked Spinach Casserole (Spinach Gratin)

A rich, creamy, cheesy spinach bake — perfect as a side dish or light vegetarian main.

🥬 Ingredients

  • 500 g fresh spinach (or 400 g frozen, thawed & drained)
  • 2 tbsp butter
  • 2 cloves garlic (minced)
  • 2 tbsp flour
  • 1½ cups milk
  • ½ cup heavy cream (optional but recommended)
  • Salt & black pepper to taste
  • Pinch of nutmeg (optional)
  • 1 cup shredded mozzarella or cheddar cheese
  • ½ cup grated Parmesan cheese
  • 1 small onion (finely chopped)

👩‍🍳 Instructions

  1. Prepare spinach
    • If using fresh spinach, sauté briefly until wilted.
    • Drain well and squeeze out excess water.
    • Chop roughly.
  2. Make creamy sauce
    • Melt butter in a pan.
    • Add onion and cook until soft.
    • Add garlic and cook 30 seconds.
    • Stir in flour and cook 1 minute.
    • Slowly whisk in milk and cream.
    • Cook until thick and smooth.
  3. Season
    • Add salt, pepper, and nutmeg.
    • Mix in half of the cheese.
  4. Combine
    • Fold spinach into the sauce.
    • Transfer mixture to a buttered baking dish.
  5. Bake
    • Sprinkle remaining mozzarella and Parmesan on top.
    • Bake at 180°C (350°F) for 20–25 minutes until golden and bubbly.

✅ Serving ideas

  • With grilled chicken or steak
  • As a pasta or lasagna side
  • With toasted bread for a vegetarian meal

If you want, I can also give you:

  • ⭐ Low-carb version
  • 🥓 Spinach & bacon casserole
  • 🍗 Chicken spinach bake
  • 🧄 Extra creamy restaurant-style version

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