Context: my coworker brings her monthly universal yums box to our office to share the treats. This month was Japan treats, and I snagged this little chocolate cookie bar. It is AMAZING and I’m wondering if anyone knows where I could get some more? Has anyone tried this and thought it was delicious too? Let me know!!

by sweetiebelles

16 Comments

  1. curmudgeon_andy

    I love that! I used to get it all the time at the combini. I can’t resist anything with cookie and chocolate!

  2. senex_puerilis

    Black Thunder! So much better than the more common Big Thunder.

  3. It’s Black Thunder! It’s one of my favorite chocolates here in Japan! The convenience stores typically do collabs. They had one recently with Black Thunder bread, cookies, ice cream, and shakes. They have many different flavors as well.

  4. TangoEchoChuck

    Wait til you try the ice cream bar version. It’s worth needing stretchy pants 🥹

  5. They sometimes sell Black Thunder at Costco, which is where I first had this. It’s like a better kitkat.

  6. Remarkable-Ad5748

    Black Thunder, my favorite!
    Tastes like a twix without the caramel to me.

  7. Espresso_Bunny

    You hit the jackpot!! Black Thunder is amazing! There’s a Hokkaido white chocolate one that’s pretty good too, can’t remember the name.

    They have them at Costco occasionally (CONUS) so if you aren’t in Japan you can get your fix.

  8. SmilingJaguar

    Black Thunder! I treat them like Pokémon. Gotta catch all the flavors when I’m in Japan. If I see one I haven’t had recently I buy it!

    The one I’ve enjoyed the most on recent trips is butter flavored. Yum!

    EDIT: note, your picture is upside down!

  9. SlowStop1220

    ブラックサンダーがきらいな人なんていません。

  10. Inner-Draw-5703

    In the snack section of Japanese convenience stores, they are sold individually. In the snack aisles of supermarkets and drugstores, they are sold in large bags. Since they melt in the summer, there might be fewer of them on the shelves.

  11. juxtapods

    I used to love Universal Yums. Until they did my birth country, and nothing in the set was close to traditional or even popular in said country. That made me doubt the authenticity or the thoroughness of the  cultural research they do. That was when we unsubbed, in 2021 or so.

    Wondering how the JP box was in comparison. 

  12. rinsakurada

    black thunder ! my favorite bar from them is their almond version!

  13. Loose_Weekend5295

    Ahh yes the glorious Black Thunder. A nice cheap treat for the regular size bar, think I paid ¥39 give or take tax. I brought a couple of bags of minis home too. They also come in variants like strawberry for spring.

    Someone else mentioned the ice cream. I bought one from a konbini to eat while gazing at sakura. I honestly didn’t think I was gonna finish it, it’s enormous! But I trucked on like a brave soldier 😁