When I’m craving a dessert that’s both fruity and creamy with a touch of citrus zing, these Strawberry Lime Cake Bars are my favorite treat.
Using strawberry cake mix as a base, they combine the sweetness of white chocolate and condensed milk with bright lime juice and zest for a refreshing twist.
Why You’ll Love This Recipe
Uses a convenient cake mix for easy prep
Combines sweet strawberry and tangy lime flavors
Soft, moist texture with creamy white chocolate chips
Sweetened condensed milk adds richness and gooeyness
Perfect dessert bars for parties, potlucks, or everyday treats
Can be made ahead and stored for several days
What You’ll Need (Ingredient Highlights)
Strawberry cake mix – Provides the fruity cake base with minimal effort
Unsalted butter – Adds richness and moisture
Egg – Helps bind ingredients for tender bars
Fresh lime juice and zest – Brightens flavor with citrus zing
White chocolate chips – Sweet, creamy pockets throughout the bars
Sweetened condensed milk – Creates a luscious, gooey layer on top
Pro Tips Before You Start
Make sure butter is softened for easy mixing and smooth batter.
Use fresh lime juice and zest for best citrus flavor.
Press cake mixture evenly on bottom and top for consistent baking.
Don’t overbake—bars are done when edges just start to brown.
Let bars cool completely before slicing to hold their shape.
How to Make Strawberry Lime Cake Bars
Step 1: Prep Oven and Pan
Preheat oven to 350°F (175°C).
Line a 9×9 inch baking pan with foil and spray lightly with cooking spray.
Step 2: Mix Butter and Cake Mix
Beat softened butter with a mixer until fluffy.
Add cake mix, egg, lime juice, and zest. Beat until well combined.
Step 3: Layer the Batter
Press about two-thirds of the batter evenly into the bottom of the prepared pan.
Step 4: Add Toppings
Sprinkle white chocolate chips evenly over the batter layer.
Drizzle sweetened condensed milk on top.
Step 5: Finish Layering and Bake
Crumble the remaining cake mixture over the condensed milk and press lightly to spread.
Bake 29–32 minutes until edges turn golden brown.
Step 6: Cool and Serve
Allow bars to cool completely in the pan before cutting.
Optional: Sprinkle additional lime zest on top for garnish.
What to Serve It With
A scoop of vanilla ice cream or whipped cream
Fresh berries or fruit salad
A cup of hot tea or coffee
Light cream cheese frosting for extra indulgence
As a sweet snack with afternoon tea or coffee
Variations / Substitutions
Use lemon juice and zest instead of lime for a different citrus flavor
Swap white chocolate chips for dark or milk chocolate chips
Add chopped nuts like pecans or almonds for crunch
Use sugar-free cake mix and sweetened condensed milk for a lower sugar version
Drizzle melted chocolate or caramel over cooled bars for extra decadence
Storage & Leftovers
Store bars in an airtight container at room temperature or in the fridge for up to 1 week.
They freeze well—wrap tightly and thaw before serving.
FAQs
Can I use homemade strawberry cake batter instead of box mix?
Yes, but baking times may vary slightly.
Do I have to use white chocolate chips?
No, feel free to use your favorite chocolate or skip entirely.
Can I make these bars dairy-free?
Try dairy-free butter and substitute sweetened condensed coconut milk.
How do I keep the bars from sticking to the pan?
Line the pan with foil and spray well with cooking spray.
Can I double this recipe?
Yes, bake in a larger pan and adjust baking time accordingly.
Final Thoughts
These Strawberry Lime Cake Bars deliver a perfect blend of sweet and tangy flavors with a soft, moist texture.
Easy to make and sure to impress, they’re a wonderful treat for any occasion.
Give this recipe a try and enjoy a bright, delicious dessert with minimal effort!

Strawberry Lime Cake Bars
Ingredients
- 1 box 15.25 oz strawberry cake mix
- ½ cup 1 stick unsalted butter, softened
- 1 egg room temperature
- Zest and juice of 1 lime
- ⅔ cup white chocolate chips
- ½ cup sweetened condensed milk
- Additional lime zest for topping optional
Instructions
- Preheat oven to 350°F.
- Line a 9×9 inch baking pan with foil and spray with cooking spray.
- Beat softened butter until fluffy.
- Add cake mix, egg, lime juice, and zest; beat until combined.
- Press two-thirds of batter into pan bottom.
- Sprinkle white chocolate chips evenly on top.
- See full steps with tips & photos → https://wimpysdiner.net/strawberry-lime-cake-bars/