Step-by-Step Instructions:
Step 1: Make the Crespelle (Crepes)
Mix the batter: In a bowl, whisk together the flour, eggs, milk, melted butter, and a pinch of salt until smooth.
Cook the crepes: Heat a non-stick frying pan over medium heat and lightly grease with butter or oil. Pour a small amount of batter into the pan, swirling to coat the bottom evenly. Cook for 1-2 minutes on each side, until golden. Repeat with the rest of the batter, placing cooked crepes on a plate and setting aside.
Step 2: Prepare the Filling
Cook the spinach: If using fresh spinach, blanch it in boiling water for a few minutes, drain, and chop finely. If using frozen, thaw and squeeze out excess water.
Mix the filling: In a bowl, combine the ricotta, spinach, Parmesan, salt, pepper, and nutmeg. Stir until well blended.
Step 3: Make the Béchamel Sauce
Make the roux: In a saucepan, melt the butter over medium heat. Whisk in the flour and cook for 1-2 minutes until it turns golden.
Add the milk: Gradually add the milk, whisking continuously to avoid lumps. Bring to a gentle simmer and cook for 5-7 minutes until the sauce thickens. Season with salt and pepper.
Step 4: Assemble the Crespelle
Fill the crepes: Place a spoonful of the ricotta filling in the center of each crepe and roll it up.
Arrange in the baking dish: Lay the filled crepes side by side in a greased baking dish. Pour the béchamel sauce over the top, covering all the crepes.
Step 5: Bake and Serve
Bake: Preheat the oven to 375°F (190°C). Bake the assembled dish for 20-25 minutes, until the top is golden and bubbly.
Serve: Let the dish cool for a few minutes before serving.
Variations & Tips:
For a vegetarian twist: You can add sautéed mushrooms or other vegetables to the ricotta filling.
For a dairy-free version: Substitute the ricotta with a dairy-free cheese or tofu, and use a dairy-free milk for the béchamel sauce.
Make-ahead option: You can prepare the crepes, filling, and béchamel sauce a day ahead. Simply assemble the dish and bake when ready to serve.