Want an easy key lime pie recipe that you can make at home? Wait until you try this one. This sweetened condensed milk pieis perfect for the sweet and sour taste of key lime pie.

Easy Key Lime Pie Recipe
I love key lime pie. It is a unique flavor to me. I love the sour and the sweet and the creamy. It is just a fantastic pie. I used to order it often when we were out but then I decided that I wanted to make it at home. This is Key Lime Pie with condensed milk and you will not believe how fast this pie comes together.

How to Make Homemade Graham Cracker Crust
I am often surprised by the amount of money they charge for a premade graham cracker crust. The pie crust normally costs more than it would cost to make 4 pies. With graham cracker, butter and sugar, you can have the perfect homemade graham cracker crust. No need to run to the store and you can control exactly what is in it. Simply crush the crackers, add the sugar and press it together with butter. Bake the pie crust while putting together the pie filling.
Mini Key Lime Pies
While this key lime pie recipe is made to be served as a whole pie, it can easily be changed to mini key lime pies. Whether you decide to make mini homemade graham cracker crusts or decide to buy them, these pies are so easy to make. Simply use the same recipe and add the pie filling into the mini shells. Baking time will be slightly different since the size of the pies are different. Check them closely for doneness.
How to Store Sweetened Condensed Milk Pie
When you make this sweetened condensed milk pie, you will want to make sure to store it in the refrigerator. This pie needs to be refrigerated in order to keep it from spoiling. Before putting the pie in the refrigerated, be sure to cover the pie well to protect it from the air and moisture.
How Long Does Key Lime Pie with Condensed Milk Last
When you make this key lime pie with condensed milk it will last 3 days when stored properly. It is important to keep it in the refrigerator and covered well to prevent it from spoiling sooner.
Where to Buy Key Limes
Key limes are usually located in the produce section of the supermarket. While key limes do not grow everywhere, you can usually find them in stores and online. There is also key lime juice concentrate although it isn’t as good as fresh squeezed.
Are Key Limes and Limes the Same
Key Limes are tarter and more aromatic than regular limes. Also called Mexican or West Indian limes, they are slightly yellow and have more seeds than limes. The flavors are different and it does not always work when swapping limes in place for key limes.
What to Serve with Key Lime Pie
When making this easy key lime pie recipe, you will want an easy dinner idea. Here are a few dinner ideas that are ready in no time.
- Buffalo Shrimp Recipe – These Baked Buffalo Shrimp are a quick and easy shrimp appetizer that’s perfect for holiday parties, game days or even a light dinner!
- Crock Pot Chicken and Dumplings are a homestyle comfort food made easy. If you love traditional chicken and dumplings, you’ll love this easy crockpot chicken recipe! Chicken and dumplings are one of my favorite meals.
- Shrimp Pesto Pasta – This Shrimp Pesto Pasta is a quick, healthy, and easy shrimp and tomato pasta recipe. Though there are only a few ingredients, it’s full of flavor and a great 30-minute meal for any night of the week. Pesto shrimp can easily become a family favorite.
- Baked Sweet and Sour Chicken – This Baked Sweet and Sour Chicken is a homemade, healthier version of your favorite Chinese takeout dish. The sweet and sour sauce is made with ingredients you probably already have in your pantry or fridge, making this flavorful dish easy to make.

Easy Key Lime Pie Recipe
Prep Time: 10minutes minutes
Cook Time: 10minutes minutes
Total Time: 20minutes minutes
Want an easy key lime pie recipe that you can make at home? Wait until you try this one. This sweetened condensed milk pieis perfect for the sweet and sour taste of key lime pie.
Weight Watchers-Friendly Key Lime Pie (English)
Servings: 10
Crust
- 1 cup graham cracker crumbs
- 2 tbsp light butter, melted
- 1 tbsp granulated sweetener (or 1 tbsp sugar)
Filling
- 1 can (14 oz) fat-free sweetened condensed milk
- ½ cup light sour cream
- ¾ cup fresh key lime juice
- 2 tbsp key lime zest
Instructions
- Preheat oven to 350°F (175°C).
- Mix graham cracker crumbs, melted light butter, and sweetener. Press into a 9-inch pie dish.
- Bake crust for 5 minutes, then let cool.
- In a bowl, whisk together fat-free sweetened condensed milk, light sour cream, key lime juice, and lime zest until smooth.
- Pour filling into the cooled crust.
- Bake for 12–15 minutes, just until set.
- Cool completely, then refrigerate for at least 4 hours before serving.
Weight Watchers Points
Approximately 5–6 Points per slice (1/10 of pie), depending on the specific brands used.
