Possible Clues:

• Feta, gouda, brie, etc
• American and Swiss
• Things wheeled in supermarkets?
• Brie, Camembert, etc.
• American and Swiss, e.g.
• Gruyere, Brie etc.
• Foods prepared from the pressed curd of milk
• Cocktail hour array
• Sandwich toppings
• Big ones are usually important dairy products