Learn food vocabulary:
http://www.helpforenglish.cz/article/2006072352-food
http://www.helpforenglish.cz/article/2006072350-food-fruits
http://www.helpforenglish.cz/article/2006072351-food-vegetables
Learn phrases:
http://www.bridge-online.cz/aitom/upload/maturita/karty/05_food.pdf