2021 XO Marshmallow Advent Calendar: 25 XO Marshmallow Flavors!

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The 2021 XO Marshmallow Advent Calendar is available to preorder now! This calendar is $52.95 + shipping, and will ship mid-November!

The 2021 Marshmallow Advent Calendar has some of our most cherished and most exclusive marshmallows to date. From December 1st – 25th, open the door to a new and exciting XO Marshmallow flavor every day!

No Peeking! This year, we’ve added little hints inside the doors to help you guess the flavor, the answer is printed on the back of each compartment. Designed with you in mind, these Advent Calendars make great gifts for family and friends — just don’t forget to get one for you too!

We have VERY limited quantities. We will not be doing a reorder. Once they are gone, they’re gone for the year and we will sell out fast. 

Advent Calendar Marshmallow Flavors:

  • Blueberry*
  • Butterbeer
  • Chai*
  • Coffee*
  • Coke Float*
  • Cookies and Cream
  • Cotton Candy
  • Cranberry*
  • Eggnog*
  • Funfetti
  • Lavender Honey
  • Mango*
  • Maple Pancake*
  • Matcha*
  • Oatmeal Cookie*
  • Orange Chocolate*
  • Peppermint
  • Pickle*
  • Pink Lemonade*
  • Raspberry & Cream*
  • Sriracha Honey*
  • Sugar Plum*
  • Toffee*
  • Ube*
  • Vanilla

*** Anything with a * is an advent exclusive flavor

Looking for even more advent calendars? Check out all our posts on Advent Calendarsfind more on Amazon, or see our entire list of Advent Calendars!

XO Marshmallow Advent Calendar

Say hello to our festive marshmallow advent calendar! What could be sweeter than marshmallows all December long? It is a marshmallow world in the winter, after all. Count down the 25 days of Christmas with a different delicious gourmet marshmallow each day. The marshmallows are individually wrapped and is good for 8 weeks. Some marshmallow flavors are exclusive to the advent calendar (like matcha & gingerbread). Worried about allergies? The back of each individual box tells you the flavor inside (but it's not the same order as the list!) These make for the perfect gift for the holiday season, but don't forget to treat yourself too!

Ships From US to US.
Shipping Varies to the US
Payment Methods
95 per box


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  • Lauren

    The price is nearly $53 on their website! I get Edible-Opus Marshmallow of the Month Club and really like it, but they don’t have an advent calendar. I wonder how XO marshmallows compare? Might be ordering this calendar to sample all the flavors!

    • Ake

      The price seems crazy to me for 25 marshmallows. Especially since that’s about 2.5 times their usual cost.

      • Snow

        Right? That’s like $2 a marshmallow. I have to admit though, it would be a fun indulgence every day ☺️

        • Lauren

          I guess I expect advent calendars (or at least the kinds I like) to never be a “good value”. They are more frivolous than regular subscription boxes, with a bunch of ridiculous (and beautiful and fun but not at all eco-friendly) packaging, marketed as “limited edition” and sold at peak holiday prep shopping times. I don’t think I’ve ever seen one (that I actually wanted) that was an actual deal, so I’m not sure how high I find this price in advent calendar world.

          That said, I’ve never heard of XO marshmallow and I’m not sure how I feel about their company after perusing their sure. The website doesn’t tell you anything of substance about their subscription box. How many marshmallows do you get in a regular monthly box? 12? 24? I was trying to compare the cost of the advent marshmallows to the price of the sub box marshmallows but I couldn’t find and info. So I don’t know if the $2 per marshmallow is standard pricing or double or even just a small mark up. For some reason, the lack of transparency irritates me more than the price!