Name: Coconut Sheet Cake with White Chocolate Coconut Frosting Recipe
Prep time: 15 min
Cook time: 35 min
Total time: 50 min
Cuisine: American
Ingredients: 1 cup melted coconut oil; 1/2 cup plain Greek yogurt or sour cream; 3 large eggs; 1/2 cup honey; 1/2 cup brown sugar; 1 tablespoon lemon zest; 1 tablespoon vanilla extract; 1 cup canned coconut milk; 1 1/2 cups all purpose flour; 1 1/2 cups almond flour (or additional flour); 1 1/2 teaspoons baking powder; 1/2 teaspoon baking soda; 1 teaspoon salt; 3/4 cup shredded unsweetened or sweetened coconut; 2 sticks (16 tablespoons) salted butter, at room temperature; 1 1/2 cups powdered sugar; 3.5 ounces white chocolate, melted and cooled; 1 teaspoon vanilla extract; 1 1/2 cups shredded unsweetened or sweetened coconut (for topping)

Jump to Recipe· 4.2 from 63 reviews

If you love the tropical vibes of coconut combined with the luscious creaminess of white chocolate, you are in for a real treat with this Coconut Sheet Cake with White Chocolate Coconut Frosting Recipe. This cake is a perfect balance of moist crumb, rich coconut flavor, and a dreamy frosting that’s smooth and indulgent, making it an absolute crowd-pleaser for any occasion. Whether it’s a casual get-together or a special celebration, this sheet cake is the kind of recipe you’ll find yourself reaching for again and again. Trust me, once you taste it, you’ll understand why this dessert holds a special place in my heart.

Ingredients You’ll Need

The image shows a close-up of baking ingredients arranged on a dark surface with sunlight casting shadows. In the center is a glass jar filled with golden honey, with a spoon inside and small white flowers floating on top. Behind it, there is a white bowl filled with light brown flour. To the left, a white bowl holds three brown eggs, one decorated with a small white flower. Further back, a small white cup contains a dark liquid, likely vanilla extract. On the right, a white plate is filled with fresh green mint leaves and small white flowers, with a black spoon resting on it. At the front right, a clear glass pitcher holds white coconut milk. More small white flowers are scattered on the surface near the jar of honey. The overall scene has warm natural light with bright highlights and soft shadows, on a white marbled textured surface. photo taken with an iphone --ar 4:5 --v 7

Gathering the ingredients for this cake is as delightful as the baking process itself. Each component plays a vital role in building up the cake’s signature texture and flavor — from the creamy coconut oil to the fragrant lemon zest, every element makes a delicious difference.

1 cup melted coconut oil: Adds moisture and a gentle coconut aroma that defines the cake’s base.
1/2 cup plain Greek yogurt or sour cream: Enhances the cake’s tenderness and offers a subtle tanginess.
3 large eggs: Essential for structure and richness.
1/2 cup honey: Provides natural sweetness with a floral undertone.
1/2 cup brown sugar: Deepens the flavor with its molasses notes.
1 tablespoon lemon zest: Brightens up the cake with fresh citrus aroma.
1 tablespoon vanilla extract: Adds warm, comforting flavor that complements coconut beautifully.
1 cup canned coconut milk: Intensifies the coconut flavor while keeping the cake silky moist.
1 1/2 cups all-purpose flour: The foundation for the cake’s tender crumb.
1 1/2 cups almond flour (or additional all-purpose flour): Gives the cake a subtle nuttiness and delicate texture.
1 1/2 teaspoons baking powder: Helps the cake rise evenly.
1/2 teaspoon baking soda: Works alongside baking powder for a light texture.
1 teaspoon salt: Balances sweetness and enhances flavors.
3/4 cup shredded unsweetened or sweetened coconut: Infuses the batter with delightful coconut bits.
2 sticks (16 tablespoons) salted butter, at room temperature: The creamy base of the frosting for rich flavor.
1 1/2 cups powdered sugar: Sweetens and lightens the frosting.
3.5 ounces white chocolate, melted and cooled: Creates the luscious, silky texture of the frosting.
1 teaspoon vanilla extract: Adds extra warmth and depth to the frosting.
1 1/2 cups shredded unsweetened or sweetened coconut (for topping): Adds crunch and enhances the coconut experience on top.

How to Make Coconut Sheet Cake with White Chocolate Coconut Frosting Recipe

Step 1: Prepare your baking dish and oven

Start by preheating your oven to 350°F, which ensures that your cake bakes evenly. Line a 9×13 inch baking dish with parchment paper to prevent sticking and make cleanup a breeze. This simple prep step guarantees your cake will come out perfectly every time.

Step 2: Mix the wet ingredients

In a large bowl, beat together the melted coconut oil, Greek yogurt, eggs, honey, brown sugar, lemon zest, and vanilla extract. This combination blends moisture with sweet and zesty flavors, building a rich, complex base for your cake.

Step 3: Combine the dry ingredients and incorporate coconut milk

In a separate bowl, whisk the all-purpose flour, almond flour, baking powder, baking soda, and salt. Gradually add this to the wet mixture, stirring until just combined. Slowly beat in the coconut milk to create a silky batter, then fold in the shredded coconut to infuse delightful coconut bits throughout the cake.

Step 4: Bake the cake

Pour the batter into your prepared pan and smooth the top. Bake for 30 to 35 minutes, or until the cake’s surface is just set and the center no longer jiggles when gently shaken. Allow the cake to cool completely before frosting to ensure the frosting sets beautifully.

Step 5: Make the white chocolate coconut frosting

While you wait, prepare your frosting by beating room-temperature salted butter and powdered sugar until light and fluffy. Mix in the melted white chocolate and vanilla until everything is thoroughly combined. This frosting offers a decadent balance of sweetness and creamy texture that complements the cake perfectly.

Step 6: Frost and top the cake

Once the cake is cooled, spread the frosting evenly over the top. Generously sprinkle the remaining shredded coconut across the frosting for added texture and visual appeal. Now your Coconut Sheet Cake with White Chocolate Coconut Frosting Recipe is ready to enjoy!

How to Serve Coconut Sheet Cake with White Chocolate Coconut Frosting Recipe

A square-shaped cake with a golden-brown base layer topped with a thick, creamy white frosting. The frosting is covered with shredded white coconut flakes, giving it a textured and fluffy appearance. Small white flowers with green centers and green sprigs are scattered on top as decoration. One slice is slightly pulled out, showing the dense but soft cake texture. The cake sits on a white marbled surface with a vintage silver spoon holding a white flower beside it. Photo taken with an iphone --ar 4:5 --v 7

Garnishes

To elevate your serving presentation, consider adding toasted coconut flakes for a toasty depth. Fresh berries like raspberries or strawberries can add a pop of color and a subtle tartness that pairs beautifully with the richness of the cake. A drizzle of passionfruit glaze also energizes the tropical flavors if you’re feeling fancy.

Side Dishes

Pair this cake with a light cocktail like a coconut mojito or a fruity iced tea for refreshment contrast. If you’re serving after a meal, fresh fruit salad or a scoop of mango sorbet complements the cake’s tropical theme perfectly, keeping the palate refreshed and satisfied.

Creative Ways to Present

Try serving the Coconut Sheet Cake with White Chocolate Coconut Frosting Recipe in a rustic style by arranging slices on a wooden board surrounded by coconut shards and white chocolate curls. Alternatively, cut the sheet cake into small squares and serve on decorative toothpicks as charming bite-sized treats at your next party. These little presentation touches make the experience all the more memorable.

Make Ahead and Storage

Storing Leftovers

This cake keeps well when stored in an airtight container in the refrigerator for up to 4 days. The frosting helps preserve moisture, so every bite stays delicious even the next day. Just ensure it’s well-covered to prevent the coconut topping from drying out.

Freezing

You can freeze this cake, either frosted or unfrosted. Wrap it tightly in plastic wrap, then place it in a freezer-safe manner for up to 2 months. When ready to enjoy, thaw it overnight in the refrigerator for best texture and flavor retention.

Reheating

If you’d like your cake a bit warmer, gently reheat individual slices in the microwave for 15 to 20 seconds. Avoid overheating as the frosting can melt too much. Warm cake paired with cool frosting creates a delightful contrast that is simply irresistible.

FAQs

Can I substitute the almond flour with all-purpose flour?

Absolutely! Almond flour adds a subtle nutty flavor and tender texture, but you can use all-purpose flour instead for a more classic cake texture. Just use the same amount and adjust the baking time slightly if needed.

Do I have to use canned coconut milk?

Canned coconut milk is preferred for its creaminess and coconut flavor, which enhances the cake. However, if you must substitute, use full-fat dairy milk with a teaspoon of coconut extract to mimic the richness and taste closely.

Is the shredded coconut sweetened or unsweetened better?

Both work well, but sweetened shredded coconut will add extra sweetness and a chewier texture, while unsweetened keeps the cake lighter and less sugary. Choose based on your preference or dietary needs.

Can I make this cake dairy-free?

Yes, by substituting the butter with coconut oil or a dairy-free spread and ensuring your white chocolate is dairy-free, you can adapt this recipe to be dairy-free. The coconut milk helps keep the cake very moist and flavorful.

How long will the cake stay fresh at room temperature?

Because of the frosting and fresh ingredients, it’s best to keep the cake refrigerated if not eaten within a few hours. At room temperature, it will stay fresh for about 1 day, but refrigeration will keep it safe and tasty longer.

Final Thoughts

This Coconut Sheet Cake with White Chocolate Coconut Frosting Recipe is more than just a dessert; it’s a celebration of coconut in every wonderful form, paired with a frosting that’s indulgently smooth and perfectly sweet. I hope you try it soon and find it as comforting and delightful as I do. It’s a recipe made to share, enjoy, and come back to over and over.