Key Lime Pie Recipe

Key lime pie recipe - Dr. Axe

Prep Time

20 minutes

Total Time

1 hour 20 minutes

Serves

8–10

Meal Type

,

Ingredients:

  • 1 Gluten-Free Pie Crust
  • 2 cups evaporated or condensed coconut milk
  • ½ cup lime juice
  • 1 teaspoon lime zest
  • 1 teaspoon vanilla extract
  • ½ cup maple syrup
  • 1 tablespoon coconut oil
  • 2 tablespoons arrowroot starch
  • ½ teaspoon sea salt
  • 2–3 limes, sliced for garnishing

Directions:

  1. In a saucepan over medium heat, combine starch and coconut oil. Whisk to create roux.
  2. After about one minute, add coconut milk. Whisk continuously until mixture thickens into a custard-like consistency, about 10 minutes.
  3. Add lime juice, lime zest, vanilla, maple syrup and salt. Whisk until mixture thickens even more, about five minutes.
  4. Pour mixture into pie crust and allow to cool, then chill the rest of the way in the freezer, about one hour.
  5. Top with sliced lime for garnish and serve.

Key lime pie makes me think of spending warm, sunny days with my family in Floria. This creamy, sweet and acidic pie provides bold flavors and health benefits, too. In fact, limes are thought to boost your immune system and even help improve the health of your heart. (1, 2, 3) And when mixed with condensed coconut milk, gluten-free arrowroot flour and maple syrup, the lime juice used in this key lime pie recipe creates a thick and creamy texture that makes this pie so popular.

If you’ve tried my gluten-free lemon meringue pie or my vegan banana cream pie, this one has to be next on your list. Not only is it decadent looking, because of the vibrant sliced limes on top, but it’s also absolutely delicious.


What is the Key in Key Lime Pie?

Traditionally, key lime pie is made with juice from the small key limes that grow throughout Florida. Compared to the Persian limes that we see year-round in our grocery stores, key limes are smaller, lighter and more acidic. Key limes also have a stronger aroma than Persian limes and are known for their unique flavor. Although the scientific name for key limes is Citrus aurantiifolia, they’ve become known as key limes because of their popularity in the Florida Keys.

Key lime pie recipe ingredients - Dr. Axe

Key lime pie is traditionally made with a combination of key lime juice, egg yolks, sweetened condensed milk, sugar and pie crust that’s made with all-purpose, white flour. In an effort to make my key lime pie recipe as healthy as possible, I use maple syrup as a natural sweetener, condensed coconut milk that provides healthy fats and arrowroot flour that makes my pie gluten-free. I also typically use lime juice and zest from the Persian limes that you find in your local grocery store in an effort to make this recipe accessible. Plus, the maple syrup, vanilla extract and salt in this recipe contributes greatly to the robust flavor.

Instead of relying on store-bought pie crusts made with refined sugar and flour, I make my gluten-free pie crust that’s made with gluten-free flours, grass-fed butter, date sugar and eggs.

Did you know that when the acidic lime juice is mixed with the coconut milk and arrowroot flour, it causes a reaction that makes the filling of the pie thicken? This is why key lime pie doesn’t need to be baked. So, give my recipe a try … Eating this key lime pie will make you feel like you’re sitting on a sunny patio in Florida.


Key Lime Pie Recipe Nutrition Facts

One serving of my key lime pie made using this recipe contains roughly the following: (4, 5, 6, 7, 8)

  • 258 calories
  • 2 grams protein
  • 17 grams fat
  • 25 grams carbohydrates
  • 0.4 grams fiber
  • 10 grams sugar
  • 0.9 milligrams manganese (53 percent DV)
  • 0.25 milligrams vitamin B2 (23 percent DV)
  • 268 milligrams sodium (18 percent DV)
  • 0.13 milligrams copper (15 percent DV)
  • 2 milligrams iron (12 percent DV)
  • 31 milligrams magnesium (10 percent DV)
  • 66 milligrams phosphorus (9 percent DV)
  • 0.6 milligrams zinc (8 percent DV)
  • 4 micrograms selenium (7 percent DV)
  • 28 micrograms folate (7 percent DV)
  • 0.08 milligrams vitamin B1 (7 percent DV)
  • 0.7 milligrams vitamin B3 (6 percent DV)
  • 4.7 milligrams vitamin C (6 percent DV)
  • 40 milligrams calcium (4 percent DV)
  • 176 milligrams potassium (4 percent DV)
  • 0.13 milligrams vitamin B5 (3 percent DV)

How to Make This Key Lime Pie Recipe

Key lime pie recipe step 1 - Dr. Axe

Your first step in preparing this key lime pie is to combine 2 tablespoons of arrowroot flour and 1 tablespoon of coconut oil in a saucepan over medium heat. Simply whisk the starch and oil for about a minute until it creates a roux.

Key lime pie recipe step 2 - Dr. Axe

Next, add 2 cups of evaporated or condensed coconut milk. You want to whisk this mixture continuously until it thickens and forms a custard-like consistency. This should take about 10 minutes of whisking.

Key lime pie recipe step 3 - Dr. Axe

Now add in ½ cup of lime juice, 1 teaspoon of lime zest, 1 teaspoon of vanilla extract and ½ teaspoon of sea salt.

Key lime pie recipe step 4 - Dr. Axe

Keep whisking the mixture for about five minutes until it becomes even thicker.

Key lime pie recipe step 5 - Dr. Axe

Well, that was easy, wasn’t it? Your pie filling is done. Now, just pour it into your gluten-free pie crust and allow it to cool.

Key lime pie recipe - Dr. Axe

Once it’s cool, chill your pie in the freezer for about an hour.

Key lime pie recipe - Dr. Axe

I like to top my key lime pie with two to three sliced limes for garnish. This is a really colorful finishing touch.

Key lime pie recipe - Dr. Axe

And just like that, your key lime pie is ready to enjoy!

Key lime pie recipe - Dr. Axe
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16 Comments

  1. Cindy Hammett on

    This recipe sounds wonderful. I have read through the recipe, Ingredient List and How To Make The Key Lime Pie Recipe. I do not see in which of the specific steps you are adding the 1/2 Cup of Maple Syrup. I would like to try this recipe, but don’t know where to add in the Maple Syrup. It seems you are very specific on when the ingredients are to be added and then whisked. Could you specify in what step you would add the Maple Syrup. Thank you.

    Reply
    • Pamela Shorland on

      Hi Cindy,
      The recipe states maple syrup is added at step 3,
      along with the lime juice & zest, vanilla & salt.
      Good luck.

      Reply
      • LaNell on

        In the description of “how to make”, the maple syrup is left out of the step 3. Just thought you may want to edit. I did notice this also and wouldn’t have caught it unless I went back to the beginning of he recipe. Looks like a wonderful pie. I must try this!

  2. Pamela Shorland on

    I love to enjoy Key Lime Pie whenever I see it at a cafe.
    Wow!…I thought, now I finally have a paleo recipe for it….but no 🙁
    Here in Australia we do not have condensed or evaporated coconut milk.
    Are you able to share how to make the condensed/evaporated coconut milk, or could I just use normal coconut milk?
    Perhaps I just need to add more sweetener to the coconut milk?

    Reply
  3. Gerise on

    I’ve never seen condensed coconut milk. Is it generally in health food stores or something you make yourself? Also, I’d love to do a crustless version and just pour in ramekins. Do you see any problem with that?

    Reply
  4. Amy on

    This is a comment regarding krill oil you did a piece on. I was excited to hear about this type of fish oil and shared it with my DO. She was upset that Dr. Axe was promoting krill oil as krill is the primary food of whales and imagine how much they need to eat, not to mention they are obviously a dwindling mammal. Apparently harvesting krill is also hugely disruptive and damaging to the eco system. Would you please consider this and/or do further research. If need be put out a piece that explains whether this is still a smart recommendation?

    Reply
  5. Maggie on

    It’s soup :( not setting up in freezer over an hour after letting it cool too!
    I followed the recipe to a T. Used evaporated cm. So disappointed. An expensive fail😥

    Reply
    • LeeAnn on

      Same for me. The condensed milk was $7 for 2 cups. I followed it to a T as well. I was the only one to even try it at Easter dinner. 😥

      Reply
  6. Lori on

    I’ve made a very similar recipe using lite coconut milk in can; (less fat) but add a mashed avocado after cooking before pouring into crust.

    Reply
  7. LeeAnn on

    I used condensed coconut milk, and I never got a custard consistency. It tasted delicious, but it was more of a caramel consistency. It was a flop because it wouldn’t cut into slices.

    Reply
  8. Temple Run 2 on

    Thanks for your sharing! The information your share is very useful to me and many people are looking for them just like me!
    Run 3

    Reply

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