I love the biscuits vs cookies debate lol. When we went to the US, we saw on a menu something that was basically a casserole (stew) with biscuits?!?! I asked why anyone would have biscuits with casserole?! We found out that these biscuits were more like scones. Cookies are the sweet biscuits...how totally confusing lol!! We'd have "dumplings" with casserole...small scone-like things made out of a heavy, rich, suet pastry. I don't particularly like them but they are popular in the North of England. They also have "puddings" (meat and potato etc), which are made out of the same suet pastry. I dislike them intensely as they are too filling and stodgy for my poor, sensitive stomach, but my Dad adores them. When I hear "pudding", I think jam roly *******, apple pie and custard or Spotted wingadingdingy and custard...
Our biscuits are...well, US cookies...not always with choc chips, there are Custard Creams, Ginger Nuts, digestives, shortbread, fruit shorties, Party Rings etc. My favourite in America were the "Chips Ahoy!" cookies. I could devour a packet of them!!
Scones are sweet or savoury in the UK - you can have cheese scones, sultana scones, cherry scones or...my absolute favourite...plain scones with clotted cream and jam...still warm from the oven, served with a pot of tea. What the Cornish call a "Cream Tea". How many calories are in just one scone with jam and cream, I have no clue!!
Oh, that brings me to the jam vs jelly debate. Jam to a UK person is what you guys in the US call jelly. Our jelly is I think what you in the US call jello, and is usually served either in a trifle (mmmmmmmm) or with ice-cream at a children's party. When I first heard about peanut butter and jelly sandwiches, I thought it was a bit odd...!!!