Add olive oil and 1 tablespoon salt to rapidly boiling water.
Gradually add lasagne noodles so that water continues to boil.
Cook uncovered, stirring occasionally, until tender.
Drain Mix ricotta, eggs, salt, pepper, parsley and Parmesan together.
Cover bottom of 13x9x2 inch baking dish with 1/3 meat sauce Place 1/3 Mozzarella cheese over sauce and top with Ricotta cheese mixture.
Add a layer of 1/2 the lasagne.
Repeat layers Cover with remaining meat sauce and cheese Bake in 375 degree oven for 30 minutes MEAT SAUCE: Heat olive oil and butter together.
Add onion and ground beef and saute until brown, stirring occasionally.
Add garlic and parsley Cook over low heat for 10 minutes Stir in wine Cover and steam for 2 minutes Add tomatoes, tomato puree and tomato paste Bring to boiling point and add celery, carrots, and seasonings Cover and cook over low heat, stirring occasionally, until vegetables are tender and flavors have penetrated.