I have a recipe calling for 12 large marshmallows, but I only have minis. How many should I use?

  • 3
    I don't know if "mini" and "large" are actually standard sizes/weights across all brands; isn't there a serving size printed on the package? – Aaronut Feb 26 '12 at 22:06

Kraft's Jet-Puffed brand claims the following conversion factor:

1 Regular Marshmallow = 13 Mini Marshmallows

That puts you at around 156 Mini Marshmallows for 12 Regulars.

  • 1
    @Vicki: Haha have fun counting them all... – Jay Feb 26 '12 at 23:43
  • Packing density being sensitive to shape, but not so much to size, 2 cups of big Marshmallows should contain about the same mass of marshmallow as 2 cups of small Marshmallows. – Wayfaring Stranger Jan 16 '16 at 0:28

This nutrition data says that:

  • 1 cup of miniature marshmallows weighs 50 grams,
  • 10 miniature marshmallows weigh 7 grams, and
  • 1 regular marshmallow weighs 7 grams

1:10 is a bit different from Sam Ley's answer; maybe Kraft is a little off average or this data is a little off. In any case, it's helpful in that it'd let you measure: 12 large ("regular") would be 84 grams, which is almost exactly 1 2/3 cups.

  • Good data - I'm sure that "mini" and "regular" aren't internationally recognized SI units. ;) Somewhere in the 1:10 range is probably good for most brands, though you'll invariably have to eyeball it a bit and judge whether your dish is sufficiently mallow-y. – Sam Ley Feb 26 '12 at 22:36
  • Thank You I found this site extremely helpful. I only had the mini marshmallows and was at loss since this was my first time having to substitute. I used the 1 2/3 cup and it worked perfectly give or take a few marsh mellows!. – user14365 Nov 19 '12 at 21:57

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