Preheat oven to 350. Cook jumbo shells "al dente". Brown lean ground beef with onion salt, garlic salt, pepper and sweet basil. Add minced onion and cook until just tender. Remove from heat, add bread crumbs and mix thoroughly. Mix in one cup spaghetti sauce; allow mixture to cool slightly. Add Romano, mozzarella, half the Parmesan cheese and the eggs; mix thoroughly. Stuff pasta Shells with beef and cheese mixture. Spread thin layer of spaghetti sauce on the bottom of a lasagna pan. Layer pasta shells in pan, using sauce between layers, ending with sauce. Sprinkle with remaining Parmesan cheese. Bake at 350 about 20-30 minutes or until bubbly.