The Ultimate Creamy & Tangy Key Lime Pie with Sour Cream: A Zesty Homemade Dessert
Prepare to be enchanted by a dessert that perfectly balances sweetness with an exhilarating tartness: our Creamy Key Lime Pie with Sour Cream. This isn’t just any Key Lime Pie; it’s a delightful twist on the classic, offering an unparalleled depth of flavor and an ultra-smooth, luxurious texture that will leave everyone craving another slice. The secret to its incredible richness lies in the thoughtful addition of both sweetened condensed milk and full-fat sour cream, creating a velvety filling that truly stands out. Topped with a cloud of homemade whipped cream, this pie is an instant showstopper and a guaranteed crowd-pleaser.
If you find yourself captivated by the vibrant flavors of Key limes, be sure to explore more of our irresistible creations. You’ll love my Key Lime Pie Cookies, which capture all the essence of the pie in a delightful bite-sized form, and the stunning Key Lime Pie Cake, perfect for celebrations!

Why This Key Lime Pie Recipe is a Must-Try
This particular Key Lime Pie recipe stands head and shoulders above the rest, and here’s why it’s destined to become your new favorite dessert:
- The Sour Cream Secret: Unrivaled Creaminess and Depth. Unlike many traditional recipes that rely solely on sweetened condensed milk or sometimes cream cheese, our recipe incorporates full-fat sour cream. This “secret ingredient” is key (pun intended!) to achieving an incredibly smooth, almost custard-like texture, while simultaneously adding a subtle tanginess that beautifully complements the vibrant lime flavor. It elevates the complexity of the pie without making it overly rich.
- Bursting with Authentic Zesty Lime Flavor. The cornerstone of any truly great Key Lime Pie is, of course, the limes themselves. We prioritize using fresh Key limes and their juice, along with plenty of zest. This ensures an intensely aromatic and distinctly zesty flavor that bottled “regular” lime juice simply cannot replicate. The authentic citrus notes sing in every bite, offering a refreshing and invigorating taste experience.
- An Effortlessly Creamy Key Lime Pie. The combination of sweetened condensed milk and sour cream doesn’t just deliver on flavor; it also guarantees a luxuriously creamy texture that melts in your mouth. This harmonious blend creates a filling that is both rich and airy, providing the perfect counterpoint to the crisp graham cracker crust. Forget crumbly or runny fillings – this recipe promises a sliceable, dreamily smooth pie every time.
- Incredibly Easy to Prepare: A Simple 3-Ingredient Filling. Despite its gourmet taste and sophisticated texture, this Key Lime Pie is surprisingly simple to make. The vibrant filling requires just three core ingredients (sweetened condensed milk, sour cream, and Key lime juice/zest), making it a perfect dessert for both seasoned bakers and beginners. Minimal effort yields maximum deliciousness!