In As You Were, Dawn gives Willow her drink saying, “Your Arnold Palmer, milady”. An Arnold Palmer is a mix of lemonade and iced tea.

In Lessons, Willow tells Giles, “But there’s this look that they get. Like I’m going to turn them all into bangers and mash or something. Which I’m not even really sure what that is.” In Checkpoint, Xander says of Giles, “Because if they deport him, they’re not just destroying his …

In Quickening, Cordelia says, “Nothing a couple of Band-Aids and a pint of Heath Bar Crunch can’t fix” referring to the popular brand of US bandages and one of the many flavours of Ben & Jerry’s ice cream.

In Welcome to the Hellmouth, Giles says, “I’d much prefer to be home with a cup of Bovril and a good book.” Bovril is the name of a thick yeast extract, which, when mixed with hot water, make a hot drink. It was formerly a beef extract and is …

Willow can be seen eating Breyers Ice Cream at the Bronze in When She Was Bad. She places some of the ice cream on her nose in an attempt to gain Xander’s attention and recreate their moment of almost-kissage at the beginning of the episode

Lorne says of Lilah in Calvary (about the episode Slouching Towards Bethlehem in which his reading of Cordelia was stolen by Wolfram & Hart), “I haven’t forgotten how she poked my head open like a Capri-Sun”. He’s referring to the drink which comes in a foil pouch, often used in …

In Villains, Clem says, “I was just about to make some Country Time”, referring to the American lemonade product.

Gatorade is an American sports drink, referenced on Buffy three times: In Angel, Xander says, “Duh! I mean, guys’ll do anything to impress a girl. I once drank an entire gallon of gatorade without taking a breath.” In The Zeppo, Buffy says, “‘Sisterhood of Jhe. Race of female demons, fierce …

In Listening to Fear, Dawn says “There’s a girl at school told me that gelatine is made from ground-up cow’s feet, and that if you eat Jell-O, there’s some cow out there limping with no feet.” She’s not far from the truth. Gelatine is obtained from collagen, which is usually …

We find out in End of Days that Giles has a thing for Jaffa Cakes. They’re made by Jacobs and consist a spongey base, covered in chocolate and filled with a kind of orange jelly.

The episode title Life Serial comes from the breakfast cereal Life Cereal.

In the second season episode Phases, Xander refers to Moon Pie, made in Chattanooga, Tennessee. From MoonPie.com:

“Early in the 1900s, while servicing his territory of Kentucky, Tennessee and West Virginia, Mr. Mitchell was visiting a company store that catered to the coal miners. He asked them what they might enjoy …

When Spike drinks from the Cup of Perperual Torment in Destiny, he realises the drink is actually Mountain Dew, a caffeinated, sweet citrus-flavored soft drink produced by PepsiCo, Inc.

In Go Fish, Willow says Oreo cookies have “chocolately-goodness”. This may be an in-joke as she once did a commercial for Oreo.

Andrew mentions Orville Redenbacher pop corn in Potential (”Are we going to replace the microwave? ‘Cause I was thinking some Orville Redenbacher with some fresh butter flavour.”)