Bechamel Sauce : Spinach Gratin Recipe

Snacks recipe from Turkey cuisine .
Any iron-rich spinach lovers out there? For those who like to use spinach in their meals, salads, and with plenty of yogurt, this time we have a recipe for using spinach in a different way.
Spinach mixed with béchamel sauce and Hollandaise cheese is baked in the oven and served with melted and grilled Hollandaise cheese! You will love this recipe, which you can use as a main dish or as a side dish next to grilled meat and chicken.

Wash the spinach well and put it in a strainer to drain.
Chop the onions and pour them into the pan and add 1 tablespoon of olive oil and start frying them. Then add the finely chopped spinach and fry it a little, but the spinach should not die too much.
Then remove from heat and set aside to cool.
In a separate sauce pan, fry the flour. When it smells, add a little milk. Then add salt and pepper and pour it over the spinach. Mix the two and put it in a baking dish, add grated Dutch cheese and put it in the oven. Bake in a preheated oven at 180 degrees for 15 minutes. cook and remove from oven when cheese melts.
After coming to room temperature, slice and serve.