Brown hamburger and onion. Drain grease. Add tomato paste and 1 1/2 cans water. Season with garlic and Italian seasoning to taste. Arrange in the bottom of 2-quart casserole dish. Make macaroni and cheese according to box instructions. Spread over top of hamburger mixture. Beat 4 eggs with a little milk and a dash of salt and pepper. Pour over top of casserole. Bake in 350° oven for 40 to 50 minutes. Casserole can be served in casserole dish or inverted and served on a platter.