Whey powder products are used in quite various areas in food industry; the most widely in order to aromatize foods. This property of whey powder is utilized in primarily nuts coatings (for example; popcorn, nacho, tortilla); pressed nuts, cheese based sauces, potato chips, salty flavours and salty biscuits. Use of whey powder provides production convenience in special bakery products such as pizza, biscuit and macaroni and in souffle and cake making. Foods produced within addition of whey powder can have same structure, taste-flavour and appearance as foods containing cheese. Whey powder is preferred to get used more rather than milk powder in biscuit sector because of economical reasons and preservation convenience.