Lasagna with vegetables

Ingredient

3 Tablespoons olive oil
1/2 Large onion,chopped 
2 Cloves of garlic

3 Red pepper
4 tomatoes
Salt and pepper

For The Béchamel
6 Tablespoons butter
6 Tablespoons flour
5 Cups milk
1 teaspoon salt
1/2 teaspoon white pepper,ground
1/4 teaspoon nutmeg,ground
3 Eggs

The Filling
1 kg spinach
1/4 cup olive oil
1 Onion, chopped
3 Large carrots
2 large zucchini
3 Tablespoon Parmesan cheese,grated
2 cups ricotta cheese
1 cup mozzarella cheese
3 Tablespoon parsley,chopped
3 Eggs
Salt & pepper
16 Dry lasagna sheets

Method

For the Pepper Sauce
-Heat oil in a pan, add the chopped onion and garlic and fry for 10 minutes.
-Grill the pepper on a direct fire till the skin is roasted put in a plastic bag so it will be easier to remove skin. Tie tightly, peel the skin, cut in halves and remove the seeds.
-Cut tomato into small pieces then add to the onion and garlic and simmer for 20 minutes.
-Puree the tomato in a food mill then add it to the red pepper and beat in a blender and add the salt and pepper.

The Béchamel
-Heat the milk up but do not leave until boiling, set aside.
-Melt butter in a pan over a low heat, add the flour and keep on mixing it till it will be completely mixed.
-Add milk and mix well on a medium heat.
-Simmer for 20 minutes; add salt, pepper, and nutmeg.
-When the béchamel is warm add the egg after beating and mix together well.

The Filling
-Wash spinach leaves and cut in small pieces.
-Heat a spoon of oil in a pan over a medium heat, fry the chopped onion for 15 minutes, and add spinach and mix.
-Grate a cup of carrot, add to the spinach, and slice the rest of the carrot to long slices, brush with a little oil and roast on a grill.
-Cut the zucchini in long slices same size as carrot brush with oil, roast on a grill.
-Mix the three kinds of cheese with chopped parsley in a separate bowl, beat the eggs, and add to the cheese mixture.
-Add 1/3 of the cheese mixture to spinach, mix well.

Directions for Lasagna
-Cook the Lasagna sheets in boiling water, cool it under cold water, remove and brush with oil from both sides and set aside.
-Put little sauce in a rectangular tray with high edges until all the base is covered then put a layer of lasagna slices.
-Cover the lasagna slices with spinach mixture, cover with another layer of the lasagna.
-Put a layer of the cheese mixture till completely cover the lasagna.
-Repeat the same steps put another layer of lasagna, a layer of zucchini, and a layer of lasagna slices, and little of cheese and a layer of carrot, finally a layer of lasagna slices.
-Cover the last layer of lasagna completely with the béchamel sauce, place in a preheated oven of 350 F for 45 minutes till it becomes golden brown.
-Set aside to cool slightly, cut into squares .When served put little of the sauce on the plate and lasagna piece on the top.