For the filling:
450 g of fresh sea beet
450 g of ricotta cheese, thoroughly drained
1 egg
115 g of parmesan cheese, freshly grated
sea salt and pepper
pinch of nutmeg
For the béchamel (white sauce):
4 tablespoons butter
60 g of plain flour
500 ml of milk
Sea salt
30 g parmesan, freshly grated
pinch of nutmeg
For the lasagne:
Precooked dried sheets of lasagne
180 gr parmesan, freshly grated
Start by boiling the sea beet in lightly salted water. Place the boiled leaves in a cheese cloth and form a small sack. Squeeze to expel as much water as possible. Chop the sea beet finely.
Now place the sea beet in a bowl. Combine the drained ricotta, egg, parmesan cheese, salt, pepper, and a generous pinch of nutmeg. Taste and adjust the salt, pepper, and nutmeg if necessary.
Make the béchamel:
Place the butter in a heavy bottom pan and turn the heat on low. When the butter is completely melted, remove the saucepan from the heat.
Slowly sift the flour into the butter a little at a time while stirring continuously to combine all the flour into the butter.
Add the milk a little at a time. keep on stirring to guarantee that no lumps are left behind.
Put the saucepan back on the heat and slowly stir with a wooden spoon, until the sauce starts bubbling and becomes thicker.
Turn the heat off. Add salt, and stir in the grated parmesan cheese and pinch of nutmeg.
Make the Lasagne:
Pre heat your oven to 180 degrees.
Place a small amount of your béchamel on a bottom of a square oven tray and spread until you have covered the tray. This will stop your pasta sheets from burning on the bottom.
Place one layer of pasta sheets. Then cover with one third of your ricotta and sea beet mixture. Spoon one third of your béchamel sauce on top of the ricotta and sea beet and spread with the back of a spoon.
Repeat the previous step until you have used all your ingredients.
Spread the parmesan on top of the last layer of béchamel sauce. Place in the oven for 30 until nice and golden. Remove from the oven and allow it to rest for 5 minutes before cutting and serving.