The state of the economy has a significant impact on food consumption, especially expenditures for food consumed at home versus away from home (restaurants). Expenditures on food away from home grow with improved consumer real income and outlook. Restaurant sales, in turn, have a significant impact on certain commodities including vegetable oil (deep frying), dairy (cheese consumption) and meat. For example, restaurant demand helps support the value of prime grade beef as well as lower-valued cuts such as hamburger and chicken wings, which add value to the carcass and can be a key contributing component to the commodity price.As the chart above shows, restaurant sales have expanded dramatically since last year. The National Restaurant Ass...