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    Home » Recipes » Pie

    Key Lime Pie with Condensed Milk

    Published: July 21, 2015 · Last Updated: May 1, 2022 by Heather · This post may contain affiliate links · 29 Comments

    Jump to Recipe Print Recipe

    This classic key lime pie with condensed milk is sweet, tangy, and perfect for summer! Condensed milk adds a sweet and rich flavor that is complemented by the key lime juice. This pie always has people coming back for more and asking for my recipe!

    overhead shot of key lime pie

    Key Lime Pie has always been one of my favorite summer desserts. I think the rich and luxurious texture has the perfect combination of tangy and sweet. A fun fact about this pie is that traditional recipes always call for sweetened condensed milk. 

    Why you'll love this recipe

    So let’s talk about this pie a little bit. This Key Lime Pie recipe uses condensed milk and sour cream. It is a fabulously easy way to whip up a summertime favorite dessert in under an hour. You can even use bottled key lime juice to save some additional time. Don’t forget to garnish with whipped cream as this helps cut the tartness of the lime.

    closeup of whipped cream

    Why we use condensed milk

    No fresh milk, no refrigeration, and no ice was available in the Keys until the arrival of tank trucks with the opening of the Overseas Highway in 1930. Because of this lack of milk, local cooks had to rely on canned sweetened condensed milk. Key lime may be the star ingredient of the key lime pie, but it is the sweetened condensed milk that makes it so smooth and delicious.

    Heather's helpful hints

    If you have time, a homemade graham cracker crust is even better for this pie. Check out this quick and easy three-ingredient recipe for a crust that will be done in 15 minutes.

    overhead shot of key lime pie with condensed milk

    Related pie recipes

    Our recipe index is a great place to search all My Sweet Precision recipes!

    • Apple Galette with Puff Pastry
    • Almond Cranberry Cake
    • Strawberry Rhubarb Pie
    • Pecan Tart with Bourbon and Orange

    Key Lime Pie with Condensed Milk

    This classic key lime pie with condensed milk is sweet, tangy, and perfect for summer! Condensed milk adds a sweet and rich flavor that is complemented by the key lime juice. This pie always has people coming back for more and asking for my recipe!
    Print Pin Comment
    5 from 1 vote
    Prep Time: 10 minutes
    Cook Time: 12 minutes
    Total Time: 22 minutes
    Yield: 8 slices

    Ingredients

    • 1 9 inch prepared graham cracker crust
    • 3 cups sweetened condensed milk
    • ½ cup sour cream
    • ¾ cup key lime juice
    • 1 tablespoon grated lime zest

    Instructions

    • Place a rack in the middle of the oven and preheat to 350 degrees.
    • In a medium bowl, combine condensed milk, sour cream, lime juice, and lime rind. Mix well and pour into graham cracker crust.
    • Bake in preheated oven for 10-12 minutes, until set and tiny pinhole bubbles burst on the surface of pie. Be careful not to brown your pie. Remove from oven and chill pie thoroughly before serving. Garnish with lime slices and whipped cream if desired.

    Notes and Tips

    If you have time, a homemade graham cracker crust is even better for this pie. Check out this quick and easy three-ingredient recipe for a crust that will be done in 15 minutes.

    Nutrition

    Serving: 1g | Calories: 509kcal | Carbohydrates: 79g | Protein: 11g | Fat: 18g | Saturated Fat: 9g | Polyunsaturated Fat: 1g | Monounsaturated Fat: 7g | Cholesterol: 47mg | Sodium: 251mg | Potassium: 495mg | Fiber: 1g | Sugar: 67g | Vitamin A: 408IU | Vitamin C: 10mg | Calcium: 350mg | Iron: 1mg
    Did you try this recipe?!Mention @mysweetprecision on Instagram and hashtag it #mysweetprecision!

    Did you make this recipe?! First, let me say THANK YOU for giving it a try!

    Please leave us a rating and feedback in the comments section at the bottom of this post. I always love to hear your thoughts and ideas on what went well — and didn't — with a recipe!

    Happy Baking!
    Heather

    « Red White and Blue Swirled Berry Popsicles
    Pumpkin Cranberry Muffins »

    Reader Interactions

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      Recipe Rating




    1. Mary Frances

      October 15, 2015 at 9:48 am

      This looks gorgeous!! I have never made or tried key lime pie before. I love to try out new recipes and this is next on my list :)

      Reply
      • Heather @ Sweet Precision

        October 15, 2015 at 4:34 pm

        Thank you Mary! I have always loved key lime pie and this was actually my first time making it from scratch. I definitely think the recipe is a winner if you give it a try! :)

        Reply
    2. thehungrymum

      August 28, 2015 at 2:16 am

      Yum! Have never had key lime pie before but this looks so delish.

      Reply
      • Heather @ Sweet Precision

        August 28, 2015 at 10:48 am

        Thank you! It's definitely a great summer pie, one of my favorites :)

        Reply
    3. MOM

      August 02, 2015 at 11:27 pm

      I can still taste this one, Heather. What a treat to have it in your fridge when we last visited. It tastes just as good as it looks. Thank You for the TREAT.

      Reply
      • Heather @ Sweet Precision

        August 03, 2015 at 5:35 am

        I'm so glad that you both enjoyed it so much!! It was such a treat making it and knowing we'd be able to enjoy it the entire weekend :)

        Reply
    4. Pamela @ Brooklyn Farm Girl

      July 31, 2015 at 4:26 pm

      I've never made Key Lime Pie but you made it look so easy (and oh so tasty). Wishing I could have a piece right now!

      Reply
    5. Sherri

      July 28, 2015 at 12:35 pm

      I saw this on Facebook Heather when Tracy shared it and so glad to come over here and get the recipe. I've never made key lime pie, and love that you use sour cream, I had no idea! I can't wait to try this and will let you know when I do! Key Lime Pie is very 'Americana' to me, and if it's okay with you, I would like to link to this post in my next Five Photo/Five Story Challenge post, part of which is about my experiences with American food and baking terms when I first moved to California!

      Reply
      • Heather @ Sweet Precision

        July 28, 2015 at 3:42 pm

        This was actually my first time making Key Lime Pie as well! It has always been one of my favorite desserts and it definitely is an American classic. I didn’t know much about the history before I did a little research for my blog post! I’d love to have this recipe be a part of your post on American food :) What a treat, thank you so much for asking Sherri!

        Reply
    6. annabelletroy

      July 27, 2015 at 9:06 pm

      Lovely looking pie! I like grasshopper pie, too!

      Reply
      • Heather @ Sweet Precision

        July 28, 2015 at 9:00 am

        Ohhh... that IS another wonderful pie! I actually have never made one before but it would be the perfect refreshing dessert for a hot summer day :)

        Reply
    7. Just Add Attitude

      July 26, 2015 at 2:26 pm

      Heather your deserts and baked goods always look so pretty but you have surpassed your self with this beautiful looking Key Lime pie. I hope you enjoyed your time with your parents. ;)

      Reply
      • Heather @ Sweet Precision

        July 27, 2015 at 8:48 am

        Oh thank you so much for your incredibly kind words B! I did have a fun time with my parents, it's hard to believe that they left only a week ago!

        Reply
    8. Pamela @ Brooklyn Farm Girl

      July 24, 2015 at 2:26 pm

      Right now I'm obsessed with key lime ice cream, so I think it's about time I up the game and make this pie! Yum!

      Reply
      • Heather @ Sweet Precision

        July 24, 2015 at 3:01 pm

        Key Lime ice cream?! Drool. I think I would eat it sprinkled with graham crackers and whipped cream on top. Sounds delicious :)

        Reply
    9. Tracy Lee Karner

      July 23, 2015 at 5:13 pm

      Sounds heavenly. And simple. I will definitely be making this, the next time I need a summer dessert.

      Reply
      • Heather @ Sweet Precision

        July 23, 2015 at 7:06 pm

        Yes Tracy, I think my favorite part is how simple this dessert is to pull together! Definitely good for those times when you need something nice but don't have forever to be in the kitchen!

        Reply
    10. chef mimi

      July 23, 2015 at 11:00 am

      Beautiful! I love the whipped cream addition. Smart!

      Reply
      • Heather @ Sweet Precision

        July 23, 2015 at 2:35 pm

        Thank you :) I think without the whipped cream the tartness of the pie almost gets overwhelming!

        Reply
    11. apuginthekitchen

      July 21, 2015 at 4:31 pm

      Love key lime pie and this one is spectacular.

      Reply
      • Heather @ Sweet Precision

        July 21, 2015 at 7:58 pm

        Thank you Suzanne!

        Reply
    12. Anita Kushwaha

      July 21, 2015 at 10:25 am

      One of my favourites but I have yet to try and make one. :) It looks lovely.

      Reply
      • Heather @ Sweet Precision

        July 21, 2015 at 10:45 am

        Thank you Anita! This was actually my first time making a Key Lime pie as well. I had always done Key Lime cupcakes before I tried this recipe. The pie is definitely easier than cupcakes and tasty ;)

        Reply
        • Anita Kushwaha

          July 21, 2015 at 5:17 pm

          I'm looking forward to trying it soon! :)

          Reply
    13. Danielle

      July 21, 2015 at 10:20 am

      You always make these recipes sound so easy ;). What a beautiful pie!!!

      Reply
      • Heather @ Sweet Precision

        July 21, 2015 at 10:37 am

        LOL! Well this one actually IS easy Miss Danielle... I promise :)

        Reply
    14. Antonia

      July 21, 2015 at 10:09 am

      I love key lime pie too. I have never made it with sour cream and will definitely try out this recipe. Lovely pie :) Thanks for sharing!

      Reply
      • Heather @ Sweet Precision

        July 21, 2015 at 10:36 am

        Thank you Antonia! I think the sour cream adds a nice creamy texture to the pie. I know some recipes also call for eggs, but I was pleasantly surprised with the combo of sour cream and condensed milk!

        Reply

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