Phoenix, Arizona is in the southwestern United States.
A chip butty is a sandwich made with chips -LRB- i.e. French fried potatoes -RRB- on buttered white bread or a bread roll , often with an added condiment such as ketchup , brown sauce , mayonnaise , or malt vinegar .. bread roll. bread roll. chips. French fries. ketchup. ketchup. brown sauce. brown sauce. malt vinegar. malt vinegar. mayonnaise. mayonnaise. sandwich. sandwich. white bread. white bread. The chip butty can be found in fish and chip shops and other casual dining establishments in the United Kingdom .. casual dining. casual dining. United Kingdom. United Kingdom. It is also known as a chip sandwich , chip batch , chip roll , chip muffin , piece and chips , chip piece , or chip sarnie .. chips. French fries. sandwich. sandwich. One variation is the chip bap or chip barm , which uses a floury bap or barm cake instead of sliced white bread .. white bread. white bread. barm cake. barm cake. In the East Midlands a chip butty made with a bread roll is referred to as a chip cob .. bread roll. bread roll. East Midlands. East Midlands. A chip butty can be vegetarian if the chips are not fried in lard or dripping .. chips. French fries. vegetarian. vegetarian cuisine. lard. lard. dripping. dripping