Saute onion and carrots in 1 T. oil. Add thyme and marjoram. Saute 3-5 min. Add tomatoes, salt, parseley, water and lentils. Simmer 45 minutes. Make cream sauce with 1 T. oil, flour and milk. Add sherry. Add bread crumbs to lentil mixture. Pour sauce into lentil mixture and stir. Pour into 2 qt. Casserole. Bake at 350 F for 40 minutes.