Recent food availability and consumption data from the united states department of agriculture (usda) shows that americans consume most of their calories from grain products (especially bread, pizza crust, macaroni, and spaghetti) and fats and oils (especially soybean oil). the most commonly consumed fruits—oranges and apples—are consumed mostly in juice form. fluid milk and cheese, especially mozzarella cheese, make up most of dairy consumption, with fluid milk consumption showing a big decline, while cheese consumption has doubled. what are the most commonly consumed vegetables?