Root Beer Float Fudge

Root Beer Float Fudge: soft, sweet fudge with a root beer and vanilla swirl

When I was pregnant with my first child I had an addiction to root beer floats. I was also addicted to gyros and fat french fries, but those I couldn’t make at home every night! It’s hard to believe that was over 14 years ago. Man, I’m old. Just the reality of that makes me want to grab another bite of these fudge pieces.

I can’t even begin to describe how delicious these taste. One, because I’m a horrible writer…two, because you just have to try them to understand how unique they are! If you eat them cold you may even convince yourself, just a little bit, that you are eating the crunchy part of a root beer float (you know the ice cream with the frozen root beer crystals, yum)!

Root Beer Float Fudge: soft, sweet fudge with a root beer and vanilla swirl

These were a huge hit in my family. So much so that I’m not sure I should ever make them again. I ate way more than my share, more than several people’s share. Ahhh, but it was so good. And it brought me back to being pregnant with my oldest child. And for just a moment I felt young again. Until I opened my eyes and realized I had 8 loads of laundry to do,  dog puke on the carpet to clean up, and 18 extra pounds on my hips.


Root Beer Float Fudge


  • 3 cup granulated sugar
  • ¾ cup unsalted butter
  • 1 cup heavy cream
  • pinch of salt
  • 3 cup white chocolate morsels
  • 1½ cup marshmallow cream
  • 3 tsp root beer concentrate (I use McCormicks)


  1. In large saucepan, heat sugar, butter, salt and cream until combined. Bring to a boil and stir continuously for 4 minutes.
  2. Remove from heat. Quickly stir in white chocolate and marshmallow. Whisk in vigorously until smooth, be patient this will take a couple minutes. Using an electric mixer yields best results.
  3. Pour half of mixture into a parchment paper lined 13x9 baking dish. To remaining fudge, whisk in root beer concentrate. Stir until combined. Pour over white fudge. Using a knife, swirl the two together. Refrigerate 4 hours or overnight. Cut into bite size pieces and enjoy. Tastes great cold!

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79 comments on “Root Beer Float Fudge”

  1. Teresa

    Thank you for another great recipe! I made 2 batches of this, 1 for a bake sale and the other for family and gifts. I can’t believe how much this taste just like a root beer float. I can’t wait to try more of your recipes!!

  2. angela

    Where can I find McCormicks Root Beer Concentrate? I looked at my local grocery store, and couldn’t find it. Maybe I was looking in the wrong aisle? Can’t wait to try it! Thank you!

  3. I can’t wait to try these! Oddly enough I too craved root beer and root beer floats when I was pregnant with my oldest! Thanks for sharing!

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  7. bobbie

    The picture and recipe looks delectable! However, there’s a fail in mentioning how the milk chocolate is flavored with the root beer consentrate. The rootbeer consentrate isn’t what contributes to the rootbeer color as the fudge’s top layer. When I made this recipe, I made the white chocolate fudge as instructed. Then I made chocolate fudge and mixed the rootbeer consentrate into the chocolate fudge.

  8. bobbie

    I used watkins brand of rootbeer consentrate. This consentrate is also dark brown but didn’t turn the fudge color brown.

  9. Karen Wood

    How would I stop myself from eating the whole cup?

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