If you love bright citrus flavor combined with rich creaminess, this Key Lime Cream Cheese Cake is the perfect dessert. Featuring soft lime-infused cake layers and a smooth, tangy cream cheese filling, this cake delivers the perfect balance of sweet and refreshing.
It’s ideal for spring gatherings, summer parties, birthdays, or anyone craving a fresh citrus dessert.
Why This Key Lime Cake Is So Popular
- Moist and fluffy texture
- Fresh, zesty lime flavor
- Smooth cream cheese filling
- Perfect balance of sweet and tangy
- Great for celebrations and special occasions
This recipe is perfect for those searching for a homemade key lime cake with cream cheese frosting.
Cream Cheese Lime Filling
Ingredients
- 8 oz cream cheese, softened
- ½ cup sweetened condensed milk
- ¼ cup key lime juice (fresh or bottled)
- 1 teaspoon lime zest (optional but recommended)
- 1 teaspoon vanilla extract
How to Make the Key Lime Cream Cheese Filling
Step 1: Beat the Cream Cheese
In a mixing bowl, beat softened cream cheese until smooth and lump-free.
Step 2: Add Sweetened Condensed Milk
Gradually mix in sweetened condensed milk until fully combined.
Step 3: Add Lime Flavor
Stir in key lime juice, lime zest, and vanilla extract.
Mix until creamy and slightly thickened.
Step 4: Chill
Refrigerate the filling for 30–60 minutes before spreading between cake layers for best consistency.
Assembling the Cake
- Place the first cake layer on a serving plate.
- Spread an even layer of the lime cream cheese filling.
- Repeat with remaining layers.
- Frost the outside with cream cheese frosting.
- Garnish with lime slices or extra zest.
Pro Tips for the Best Key Lime Cake
- Use room-temperature cream cheese for smooth texture.
- Fresh key lime juice gives brighter flavor than bottled.
- Chill the cake before slicing for clean layers.
- Add a drop of green food coloring for a vibrant look (optional).
Storage
- Refrigerate for up to 4 days in an airtight container.
- Best served chilled for optimal texture.