Exactly, the food our grandparents made was religious or ritual in nature, think about it... Christmas, Easter, Thanksgiving, etc, etc. Even the 4th of July is

Exactly, the food our grandparents made was religious or ritual in nature, think about it... Christmas, Easter, Thanksgiving, etc, etc. Even the 4th of July is marked by BBQ. As you said, last supper, last meal, sacrement. Culture is food.