Lemon Coconut Bento Cake | Fresh & Zesty Mini Cake

Fresh, bright, and beautifully decorated, this Lemon Coconut Bento Cake | Fresh & Zesty Mini Cake is a celebration dessert that brings together soft lemon sponge, silky lemon curd filling, and a fluffy coconut coating. Although the keyword includes “bento cake,” this recipe is a full-size 8-inch cake, perfect for birthdays, spring gatherings, showers, brunches, and elegant desserts.
You’ll love how refreshing the lemon flavor is and how the coconut adds a tropical touch without overpowering the cake. Inspired by the minimalist aesthetic of Korean bento cakes, this version keeps the charm while offering enough servings for a full celebration.
What Makes This Lemon Coconut Bento Cake Special ?
Light Lemon Cake With Soft Crumb
The base is a tender lemon cake made with fresh lemon zest, lemon juice, and buttermilk for a soft, moist texture.
Lemon Curd Filling for a Bright, Tangy Center
This cake features homemade lemon curd, giving it a vibrant, creamy, and naturally tangy middle layer just like the cake in the image.
Coconut Coating for Tropical Flavor
Instead of adding coconut to the batter, it coats the cake’s exterior, giving a fluffy, snowy finish that contrasts beautifully with the yellow lemon layers.
Ingredients for the Perfect Lemon Coconut Bento Cake

Dry Ingredients
- 2 ½ cups all-purpose flour
- 1 ½ cups granulated sugar
- 2 teaspoons baking powder
- ½ teaspoon baking soda
- ½ teaspoon fine salt
Wet Ingredients
- ½ cup unsalted butter, softened
- ½ cup vegetable oil
- 3 large eggs, room temperature
- 1 tablespoon lemon zest
- ¼ cup lemon juice, freshly squeezed
- 1 cup buttermilk
- 2 teaspoons vanilla extract
Homemade Lemon Curd Filling
- 4 large egg yolks
- ½ cup granulated sugar
- ¼ cup lemon juice
- 1 tablespoon lemon zest
- 4 tablespoons unsalted butter
Coconut Coating & Decoration
- 1 ½–2 cups sweetened shredded coconut
- Optional: edible flowers, fresh lemon slices
How to Make the Lemon Coconut Bento Cake (Step-by-Step)
1. Prepare the Cake Pans
- Line two 8-inch pans with parchment.
- Grease sides lightly.
- Preheat oven to 350°F (175°C).
2. Mix the Lemon Cake Batter
- Beat butter + sugar until fluffy.
- Add oil and mix until smooth.
- Add eggs one at a time.
- Mix in lemon zest, lemon juice, and vanilla.
- Whisk dry ingredients separately.
- Add dry ingredients alternating with buttermilk until batter is smooth.
3. Bake the Cake Layers
- Divide batter between pans.
- Bake 25–30 minutes until the centers spring back.
- Cool completely.
4. Make the Lemon Curd Filling
- Whisk egg yolks + sugar in a saucepan.
- Add lemon juice + zest.
- Cook over low heat until thickened.
- Off heat, stir in butter.
- Chill for 1 hour.
5. Assemble the Cake
Filling with Lemon Curd
- Spread a generous layer of lemon curd between the cooled cake layers.
Applying the Coconut Exterior
- Cover the cake with a light layer of frosting (optional buttercream crumb coat).
- Press shredded coconut all over the sides and top.
- Decorate with edible flowers and lemon slices like in the photo.
Expert Tips for a Moist & Tender Lemon Cake
Use Room Temperature Ingredients
It helps the batter mix evenly and rise properly.
Avoid Overmixing
Mix only until combined to prevent a dense texture.
How to Keep Coconut From Falling Off
Lightly frost the cake before applying coconut for better adhesion.
Flavor Variations
Lemon Blueberry Coconut Cake
Fold 1 cup fresh blueberries into the batter.
Lemon Raspberry Coconut Cake
Add raspberry jam between layers with lemon curd.
Lemon Vanilla Coconut Cake
Increase vanilla for a creamier bakery flavor.
Common Mistakes to Avoid
Overbaking the Cake
This causes dryness. Remove as soon as it springs back.
Adding Coconut Inside the Batter
This makes the cake heavy — keep it on the outside for fluffiness.
How to Store & Freeze
Refrigeration
Store covered for up to 4 days.
Freezing
Freeze slices wrapped tightly for up to 2 months.
Serving Ideas
- Serve with hot tea or chamomile
- Pair with fresh berries
- Add fresh lemon slices or flowers for special occasions
FAQs About Lemon Coconut Bento Cake
1. Can I use store-bought lemon curd?
Yes, but homemade tastes fresher and less sweet.
2. Can I use unsweetened coconut?
Yes, but the texture will be drier.
3. Can this cake be made gluten-free?
Use a 1:1 gluten-free flour blend.
4. Can I freeze the lemon curd?
Yes — up to 3 months.
Conclusion

The Lemon Coconut Bento Cake | Fresh & Zesty Mini Cake is a bright, beautiful celebration cake with the perfect balance of tangy lemon and soft coconut sweetness. With its fluffy crumb, silky lemon curd filling, and elegant decoration, this cake is a show-stopper for any occasion.
