Lasagna sauce is the most easy to cook sauces that can be simply made at home with easily available ingredients. The main ingredients needed to make lasagne sauce at home are olive oil, Italian tomatoes in juice, tomato paste, onion, celery, garlic, bay leaf, Italian herb seasoning, fresh basil leaves, salt and pepper. Moreover, some hot milk is also used to mix the butter flour properly. Out of all these, the most important ingredients is this lasagna sauce recipe are celery, garlic and onions.