Preheat the oven to 350 degrees F (180 degrees C). Heat oil in a large pan over medium heat. Add onion, garlic and dried herbs; cook for 5 minutes.Crumble in beef and pork and brown all over, about 10- 15 minutes. Stir in tomato puree,crushed tomato, chili sauce,tomato paste and Worcestershire Sauce, bring to a boil. Reduce heat to medium-low and simmer for 1-2 hours.Stir occasionally.
Spread 1/4 of the sauce in to a 13- x 9-in casserole dish. Top with 3 lasagna sheet. Layer with 1/4 more sauce and 1/3 of the cheese. Repeat layers twice, ending with cheese.
Cover with foil and bake for 15 minutes. Remove foil and bake for 15 minutes or until golden. Let stand for 10 minutes before serving.
You can replace beef and pork with ground chicken.