Well before microwave appliances became commonplace, TV dinners were heated in conventional ovens. The frozen blocks of food were packaged in heavy aluminum foil. It was awful, but the novelty of the concept held tremendous appeal. We’ve come a long way. As further proof that the quality of life here in the U.S.A. just keeps getting better, products like this delicious "heat and eat" Indian dish are available on Wal*Mart store shelves.