Mini Key Lime Tarts - Tarts on a wooden platter on a Pioneer Woman placemat

Mini Key Lime Tarts

Are you looking for an easy and tasty mini dessert recipe? Mini Key Lime Tarts are perfect! Cute and bite sized, these little tarts are like an individual mini pie. I find the tart lime flavor to be refreshing and perfectly paired with the crunch of the phyllo pastry cup and creamy Cool Whip. 

Maybe the best part of this recipe is its simplicity. Just four ingredients and less than 30 minutes in the kitchen and you’ll have a platter of Mini Key Lime Tarts to serve. Win!

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Easy Peasy, Lime Squeezy 

The filling of the Mini Key Lime Tarts is so incredibly simple: sweetened condensed milk and thawed limeade concentrate. Just the right amount of sweet and sour.

Mini Key Lime Tarts - Sweetened condensed milk and limeade in a bowl Mini Key Lime Tarts - Sweetened condensed milk and limeade in a bowl

As you stir the limeade and sweetened condensed milk together, it transforms into a creamy custard-like consistency.

Another key to this super easy recipe is the ready-to-bake phyllo dough shells. The type I find easily at my grocery store is Athens Mini Fillo Shells. I always locate them in the freezer section with the traditional phyllo dough and puffed pastry, usually near the frozen cakes and pies.

Simply bake the phyllo shells until they’re golden brown, then cool to room temperature. All ready to fill!

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Mini Key Lime Tarts - Athens mini fillo shells Mini Key Lime Tarts - Filling mini phyllo cups with key lime filling

Mini Key Lime Tarts

Mini Key Lime Tarts - Filling mini phyllo cups with key lime filling and Cool Whip Mini Key Lime Tarts

Cool Whip

You are absolutely welcome to make your own homemade whipped cream to top the sweet little tarts. However, I find the extra creamy variety of Cool Whip to be just perfect. It holds it shape so well when piped onto the tarts and its creaminess is a wonderful companion to the tart filling.

Mini Key Lime Tarts

You could just spoon the Cool Whip onto the tarts, but I recommend piping to create a pretty swirl. If you do not have a piping bag handy, never fear! Just fill a Ziploc bag with Cool Whip, snip a little bit of the corner off the bag with scissors, then pipe away!

Mini Key Lime Tarts - Piping Cool Whip onto tarts with a Ziploc bag Mini Key Lime Tarts

Aren’t they adorable?!

Mini Key Lime Tarts - Tarts on a wooden platter

Confession time: I ate almost all of these tarts. Yep, I did that. Sorry… not sorry.

Mini Key Lime Tarts - Tarts on a blue glass platter Mini Key Lime Tarts - Tarts on a blue glass platter Mini Key Lime Tarts - Tarts on a blue glass platter Mini Key Lime Tarts - Woman holding a mini tart Mini Key Lime Tarts Mini Key Lime Tarts


Mini Key Lime Tarts

  • Prep Time: 15
  • Cook Time: 10
  • Total Time: 25


  • 3 packages mini phyllo shells (45 total shells)
  • 14 ounce can sweetened condensed milk
  • ½ cup limeade concentrate, thawed
  • 1 tub Cool Whip


1. Preheat oven to 350 degrees.

2. Place the mini phyllo shells on a cookie sheet and bake at 350 for 10 minutes until golden brown. Set aside to cool.

3. In a small bowl, combine the sweetened condensed milk and limeade concentrate. Mix well until smooth. Spoon the mixture by heaping teaspoons into the cooled phyllo shells.

4. Use a piping bag (or a zip top back with a small corner cut off) to pipe the Cool Whip onto the tarts.

Serve immediately or cover and refrigerate up to 12 hours before serving.


  • Serving Size: 45
  • Calories: 34
  • Sugar: 5
  • Sodium: 17
  • Fat: 1
  • Saturated Fat: 1
  • Unsaturated Fat: 0
  • Trans Fat: 0
  • Carbohydrates: 6
  • Protein: 1
  • Cholesterol: 3
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30 Minutes to Mini Dessert Magic

Actually, this recipe start to finish takes less than 30 minutes. Just add the ingredients to your shopping list now and then you’ll be prepared to whip up these beautiful Mini Key Lime Tarts any time.

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25 Comments on Mini Key Lime Tarts

  1. Sarah Bailey
    February 26, 2018 at 5:31 pm (9 months ago)

    Oh my goodness these sound like some delicious key lime tarts. I would most definitely be up for trying these myself.

  2. Tara Pittman
    February 26, 2018 at 7:40 pm (9 months ago)

    Those tarts look so tasty. These are perfect for Easter brunch.

  3. Kristi Ann
    February 26, 2018 at 7:51 pm (9 months ago)

    These look amazing! I love key lime pie so I bet these would be just as good!

  4. Christina Polovich
    February 27, 2018 at 12:11 am (9 months ago)

    With simple ingredients and easy instructions, this mini tarts are really something. They look beautiful. Just by looking at the pictures I can say that it really melts in your mouth.

  5. Ericka
    February 27, 2018 at 12:53 am (9 months ago)

    My sister in law makes the bars and they are delicious.I have to tell her about these so she can make them.

  6. maria magdalena
    February 27, 2018 at 4:33 am (9 months ago)

    i love tarts, the one that you made has a cute shape. sure will try this recipe

  7. Mommy Rockin' In Style
    February 27, 2018 at 9:54 am (9 months ago)

    They look so cute and yummy! I can’t wait to try it this weekend. Thanks for sharing!

  8. Wendy Polisi
    February 27, 2018 at 5:23 pm (9 months ago)

    I have always love key lime treats. They grab my tongue!

  9. Irina Rena
    February 27, 2018 at 5:26 pm (9 months ago)

    I would love these tarts. They are a perfect little snack.

  10. Sonal
    February 27, 2018 at 6:26 pm (9 months ago)

    I love mini phyllo cups and use these often for parties.. this is such a cool recipe using these cuties!

  11. Ruthie Ridley
    February 27, 2018 at 6:55 pm (9 months ago)

    My husband would go crazy for these! I need to try to make them!!

  12. Jennifer L
    February 27, 2018 at 7:07 pm (9 months ago)

    Omg how gorgeous and delicious do those tarts look! I’d love to make these for an upcoming potluck at church. theyre going to love it!

  13. Candy Rachelle
    February 28, 2018 at 1:58 am (9 months ago)

    OMG!! These mini lime tarts look delightful. I will give this a try. For sure my mom and niece would really love this.

  14. Stephanie Jeannot
    February 28, 2018 at 8:30 am (9 months ago)

    Ooh those lime tarts look so good. Yummy!!!

  15. Athena
    February 28, 2018 at 3:42 pm (9 months ago)

    Yum! That looks amazing. I bet my kids would eat it all in one sitting!

  16. Becca Wilson
    February 28, 2018 at 6:13 pm (9 months ago)

    I love key lime pie and so I know that I would love these. I really need to give these a try!

  17. Elinor Hill aka Beach Hut Cook
    March 1, 2018 at 1:49 am (9 months ago)

    Aren’t these just the cutest! Such an easy recipe for the filling too. They’d make such a perfect dish for a party.

  18. Fan R
    March 5, 2018 at 6:52 pm (8 months ago)

    These tarts are so cute, our kids would love to have them! Look delicious like in a fairy tale!

  19. Betsy Schubert
    March 13, 2018 at 11:31 am (8 months ago)

    Will these tarts become runny if they are on a buffet table for approximately 2 hours?

    • carissashaw
      March 13, 2018 at 4:23 pm (8 months ago)

      No, I have never had them get runny. They should be just fine!

  20. Stacie
    May 27, 2018 at 10:18 am (6 months ago)

    I made this recipe for a wine tasting party. It was a huge success. I used the Athens ready to use fillo cups so I didn’t need to bake them. I also did a little test where I filled some early and put some in the fridge, some in the freezer and then filled the rest just before going. They all stayed crispy! The only thing is I put whip cream on just before serving as the outdoor party had a temperature of over 80degrees. I can’t tell you how long they could have stayed out as they were finished within a half an hour of being served! Definitely a hit, and a keeper!!

  21. taylor
    June 21, 2018 at 7:03 am (5 months ago)

    These look wonderful but I could never use 45 at one time. Could I use ready-made graham crust mini shells and then freeze any left over filling for another time?


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