A cooking video by a very musical AI Marge Simpson has become one of the most unexpected TikTok memes of 2026.

The video and song come from user @MargeCooks, and now people are going viral with bizarre brainrot memes and wholesome videos performing the song for themselves.

But what exactly is the "expensive matcha cake" meme and why is it blowing up? Here's what we know.

@fatguynamedbigcheezy #whybuyanexpensivematchacake #margesimpson #fyppppppppppppppppppppppp #letterpfp #fyp ♬ original sound – fatguynamedbigcheezy

What Is The 'Why Buy An Expensive Matcha Cake' Meme?

Marge Cooks, aka @yourbluehairchef, is a TikTok page with over 95,000 followers. The page pairs an AI Marge Simpson voice with a Marge PNG to sing step-by-step instructions to a variety of recipes.

In the second week of February 2026, the page posted a video where Marge sings a simple, four-step recipe for a matcha cake.

The jazzy song, which begins, "Why buy an expensive matcha cake, when you only need four ingredients and a few minutes to make it yourself," got caught in viewers' heads, gaining it over 2.5 million views in a week and inspiring memes.

@yourbluehairchef Easy Matcha cake recipe for my American folks 😋 #matchacake #chef #cooking #Recipe #delicious #USA ♬ original sound – MargeCooks

How Is 'Why Buy An Expensive Matcha Cake' Used In Memes?

Some of the most popular videos inspired by the "matcha cake" song feature amateur singers covering the song. One popular example by @imfaithelizabeth sees the TikToker sing the song in her best Marge Simpson impression to the tune of over 1.2 million views in a day.

Others memes including brainrot edits that remix the song with other popular memes to make as absurd of a final product as possible. Another series of memes feature Roblox characters running around in different Roblox games and typing out the lyrics to the song as a way of spamming other players.

@imfaithelizabeth MARGE SIMPSON MATCHA CAKE ⁉️😍 #margesimpson #whybuyanexpensivematchacake #voiceimpressions #foryoupage ♬ original sound – imfaithelizabeth

What Are Some More 'Why Buy An Expensive Matcha Cake' Memes?

@k607448 Easy Matcha cake recipe for my Asia folks ❤️‍🩹🌹 #matchacake #meme #minecraft #minecraftvillager #sound ♬ original sound – MargeCooks

@paula_plays_games Why buy a expensive matcha cake? When you only need 4 ingredients! lol I wanted to try this! #asmr #matcha #slime #rant #viral ♬ original sound – ☀️🌻❀𝙿𝚊𝚞𝚕𝚊❀🌻☀️

@killianlikesfrenchfries why buy an expensive matcha cake? #fyp ♬ original sound – MargeCooks

@ihatebitterness Whyyyy buy an expensive matcha cakeee #fyp #zyxbca #humor #real #cringe ♬ original sound – MargeCooks

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For the full history of the 'Why Buy An Expensive Matcha Cake' meme, be sure to check out Know Your Meme's encyclopedia entry for more information.