Cakes (since moving to the UK, I have adapted to this covering muffins, cakes, slices and other such things that involve anything that might be vaguely cake-ish)
Muffin
English Muffin (often referred to as simply a muffin when in the UK, the difference is still acknowledged with this title)
Scone
Crumpet
Biscuit
Cookie
Cracker
Sandwich
Roll
Morning Roll
Burger
Patty
Crisps
Chips
Fries Rarely used, but generally expected to be thin chips