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With dozens of 5-star reviews, this healthy key lime pie smoothie is one of the most popular recipes on Live Eat Learn, and for a good reason. It’s tangy, delicious, and so simple to make with pantry staple ingredients. Whip it up in just five minutes for a tropical breakfast or healthier dessert.

key lime pie smoothie in a glass with graham cracker on the rim and a straw
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Key lime pie is a quintessential summer dessert. But when you want the pie without the work, reach for a key lime pie smoothie.

It’s so much simpler to make but packs all the classic flavors of the best key lime pie. It’s tangy, sweet, and creamy—absolute perfection. So get ready to step foot on a tropical island with this reader-favorite recipe.

Reader rating

★★★★★

“This smoothie is one of my new favorites – so tart and refreshing for these hot summer days!! It looked as yummy as it tasted! Thanks for this amazing recipe!” —Shaylee

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key lime pie smoothie in a glass with graham cracker on the rim and a straw.

h=Here’s what you’ll need

Just a few ingredients combine to create a creamy smoothie that tastes like pie! This is just an overview; jump to the recipe card for full measurements!

  • Banana: Freeze your banana slices ahead of time to make this lime smoothie cold and frosty.
  • Yogurt: Plain Greek yogurt makes this smoothie rich and creamy. You could also add a dollop of cream cheese or cottage cheese for a more decadent cheesecake smoothie.
  • Lime: You can use key or regular lime juice, but aim for fresh juice where possible. (Be sure to save a slice of lime for the garnish!)
  • Sweetener: I love honey in this smoothie, but you could also use liquid sugar, agave, or maple syrup.
  • Vanilla: Finish it with a dash of vanilla extract to bring that pie feeling!

key limes versus regular limes

Key limes are usually only available in the summer. They are smaller and sweeter than regular limes. You can also buy key lime juice in-store, which is perfect for this smoothie. Otherwise, regular limes work just fine; just add a little more honey.

Ingredients needed for a key lime pie smoothie.

the lime and the coconut

To make that festive rim from the photos, dip a cup in white chocolate and roll it in toasted coconut mixed with crushed graham crackers. You can also use coconut yogurt in place of Greek yogurt for more coconut flavor.

Ingredients for a key lime pie smoothie.
This green color is made even more vibrant with a few spinach leaves! The flavor is undetectable.

smoothie Variations

  • A Lemonade Smoothie: This recipe also works great with fresh lemon juice and zest!
  • Make Popsicles: In the mood for popsicles? Add a touch more honey, then freeze the mixture into homemade popsicles!
  • Add Protein: You can boost the protein content by adding cottage cheese or one of your favorite vanilla protein powders.
  • Nutritious Boosters: To add fiber and protein to this shake, you can add flax seeds,chia seeds, or hemp seeds.
Key lime pie smoothie in a glass with a straw.
We love smoothies around here, so be sure to check out our ultimate guide to fruit smoothies here.

more Healthy smoothies

Healthy Key Lime Pie Smoothie (Top-Rated)

4.78 from 40 ratings
Prep: 5 minutes
Total: 5 minutes
Servings: 1 smoothie
With over thirty-five 5-star reviews, this healthy key lime pie smoothie is one of the most popular recipes on the blog, and for a good reason. It's tangy, delicious, and so simple to make with pantry staple ingredients. Whip it up in just five minutes for a tropical breakfast or healthier dessert.

Ingredients 

  • 1 banana, sliced and frozen
  • ½ cup plain Greek yogurt, 130 g, or dairy-free alternative
  • ¼ cup key or regular lime juice, 60 mL
  • 1 Tbsp honey, 15 mL, or sweetener of choice
  • ½ tsp finely grated lime zest
  • ¼ tsp vanilla extract, 1.2 mL
  • Optional for texture: ice
  • Optional for color: spinach
  • Optional garnish: graham cracker crumbs, lime wedge
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Instructions 

  • Blend: Blend all ingredients until smooth, adding ice as needed to reach a consistency to your liking. If you want a slightly green smoothie, add a few leaves of fresh spinach.
  • Serve: To garnish (optional), rub lime juice around the rim of the glass, then roll it in crushed graham cracker crumbs. Pour in the smoothie and serve immediately.

Notes

Make it More Creamy: For an even creamier smoothie, replace 2 tablespoons of the yogurt with cream cheese.
Add Color: To give this key lime pie inspired smoothie more green color, add a few leaves of fresh spinach. The spinach flavor is undetectable and it makes this smoothie even more fun!
Swap with Lemon: This recipe also works great with fresh lemon juice and zest!
Make Popsicles: In the mood for popsicles? Add a touch more honey, then freeze the mixture into homemade popsicles!
Storage: Smoothies are best enjoyed the day of, but you can freeze leftovers in ice cube trays and then reblend with some milk the next day. Pop them out of the ice cube tray once frozen and transfer them to an airtight container. They will keep for 3 months in the freezer.

Nutrition

Serving: 1smoothie | Calories: 254kcal | Carbohydrates: 56.3g | Protein: 12.7g | Fat: 0.5g | Saturated Fat: 0.1g | Cholesterol: 8mg | Sodium: 44mg | Potassium: 657mg | Fiber: 3.5g | Sugar: 37.8g | Calcium: 144mg | Iron: 0mg

Nutrition information calculated by Sarah Bond, degreed nutritionist.

did you make this?Leave a comment below and tag @liveeatlearn on social media! I love seeing what you’ve made!
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4.78 from 40 votes (24 ratings without comment)

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43 Comments

  1. Mimi Rose says:

    This looks amazing!! Key Lime Pie is pretty much my ultimate dessert, and I would love to try it in a smoothie. Thanks for sharing, can’t wait to try it out!

  2. Cassandra says:

    That smoothie looks divine! So perfect for summer. Yum!

  3. Matt Lusk says:

    5 stars
    I just made this and it is really good. Usually a banana in a smoothy overpowers everything else but the lime juice was perfect and lime is definitely the aftertaste. Even though it has yogurt in it, it feels very light. It’s a winner.

    1. Sarah says:

      So happy you liked it, Matt! The lime adds so much more flavor than you would expect, doesn’t it? 😀

  4. Dindrane says:

    Truly, thank you so much. I have ulcerative colitis AND a gastric sleeve AND I’m vegetarian, so finding healthy, but low fiber, high protein, but a complete protein AND low fiber (I miss quinoa so much)… well, it’s a pain. But smoothies make it easy and affordable! I can always add unflavored or whatever flavor protein powder, and it’s supposed to be thick!

    You are so creative; I’ll never be bored or feel sorry for myself. :p

    1. Sarah says:

      Aw I’m happy you found this smoothie then!! Enjoy! 😀

  5. Toni-Ann Fletcher says:

    Just love this lime pie smoothie

    1. Sarah says:

      Happy to hear, Toni-Ann! 😀

  6. Shaylee says:

    5 stars
    This smoothie is one of my new favorites – so tart and refreshing for these hot summer days!! I didn’t use vanilla extract, but I added a lot of spinach and ice to make it thick and the color was so vibrant! It looked as yummy as it tasted! Thanks for this amazing recipe 😍

    1. Sarah says:

      YAY! So happy to hear it, Shaylee! Enjoy! 😀

  7. Patricia S says:

    5 stars
    That was yummy! And so refreshing! I didn’t have any lime zest on hand, but it was delicious anyway. Thanks for sharing!

    1. Sarah says:

      So happy to hear it, Patricia! Enjoy! 😀

  8. Judy says:

    1 star
    The Vegan version of this smoothie tastes absolutely dreadful. After a few bites I threw it away. Such a waste of money.

    1. Sarah says:

      Sorry to hear it, Judy! Dairy-free yogurts can be hit or miss, so be sure to find a brand you like for next time you try this.

    2. Beth says:

      5 stars
      Judy, I just made this, so delicious! I am wondering if the vegan yogurt you used was already sweetened or had a flavour? If so the addition of banana and another sweetener would make it sickly sweet! Also if agave was used to replace honey, would need less of it, but I’m sure you already know that.

  9. Candice says:

    5 stars
    Very good smoothie! Just the right amount of sweet and tangy..good substitute when you don’t have any key lime pie in the house 🙂 Thanks.

  10. Cloey says:

    5 stars
    SO creamy!!