Moist Buttermilk Coconut Cake

This Moist Buttermilk Coconut Cake is proof that a loaf pan can turn out something just as special as a fussy layer cake. Buttermilk keeps the crumb soft and tender, sweetened shredded coconut is folded right into the batter, and a simple buttermilk glaze with toasted coconut on top finishes it off. It’s an easy, one-pan cake with real coconut flavor in every bite.

Why You’ll Love This Recipe

• Buttermilk gives the crumb a soft, tender texture
• Real coconut flavor from both coconut extract and shredded coconut folded into the batter
• Baked as a simple loaf — no layering or stacking required
• Finished with a buttermilk glaze and toasted coconut for a bakery-style look
• Makes a generous 8 servings from one loaf

Because it bakes in a single loaf pan, this cake is also easy to slice and share, making it a good option for a potluck or a casual gathering where a full layer cake would be more than you need.

What Does It Taste Like?

This cake is rich and buttery, with a soft, tender crumb thanks to the buttermilk. Coconut flavor comes through clearly, both from the coconut extract in the batter and the shredded coconut folded throughout, while the vanilla rounds everything out. The buttermilk glaze adds a light sweetness on top, and the toasted coconut brings a bit of golden crunch and nutty depth to every slice.

Recipe Overview

• Prep Time: 20 minutes
• Bake Time: About 60 minutes
• Total Time: About 1 hour 20 minutes
• Servings: 8

Ingredients

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For the Cake

• 1½ sticks unsalted butter, room temperature
• 2 cups all-purpose flour
• 1½ teaspoons baking powder
• ½ teaspoon salt
• 1 cup granulated sugar
• 1 teaspoon vanilla extract
• ½ teaspoon coconut extract
• 3 large eggs
• 1 cup buttermilk
• 1¼ cups sweetened shredded coconut

For the Topping

• 1 cup powdered sugar, sifted
• 2 tablespoons buttermilk
• ¼ cup sweetened shredded coconut, toasted

Ingredient Notes

Buttermilk: Its tang and acidity keep the crumb tender and give the cake a soft texture that plain milk wouldn’t provide.

Butter: Room temperature butter creams properly with the sugar for a light base to the batter.

Coconut extract: Used alongside vanilla, it boosts the coconut flavor beyond what the shredded coconut alone provides.

Sweetened shredded coconut: Folded into the batter for texture and flavor throughout, with a bit reserved and toasted separately for the topping.

Eggs: Added one at a time so each fully incorporates before the next, helping the batter emulsify smoothly.

Powdered sugar and buttermilk (topping): Whisked together into a simple glaze that’s thin enough to drizzle over the cooled cake.

Kitchen Tools You’ll Need

• 9×5-inch loaf pan
• Electric mixer (stand or hand)
• Mixing bowls
• Wire cooling rack
• Baking sheet, for toasting the coconut topping
• Whisk, for the glaze

Substitutions and Variations

These are optional ideas, not part of the original recipe:

• Toast a bit of extra coconut for a more generous topping if you like extra crunch.
• Add a thin layer of coconut cream cheese frosting instead of the buttermilk glaze for a richer finish, though this changes the recipe from how it’s written.
• Serve with fresh berries on the side for a bit of brightness against the rich cake.

How to Make the Recipe

This cake follows a classic creaming method: butter and sugar are beaten together first, then eggs and extracts are added before the dry ingredients and buttermilk are alternated in. Shredded coconut is folded in at the end, and once baked and cooled, the loaf is finished with a buttermilk glaze and a sprinkle of toasted coconut.

Step-by-Step Instructions

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1. Preheat the oven to 350°F and spray a 9×5-inch loaf pan with cooking spray.
2. Combine the flour, baking powder, and salt in a medium bowl; set aside.
3. Beat the butter and sugar together for 8 minutes until creamy. Add the vanilla and coconut extracts, then add the eggs one at a time, mixing well after each addition.
4. Alternate adding the flour mixture (in 3 additions) with the buttermilk (in two ½-cup additions) on low speed until incorporated.
5. Fold in 1¼ cups of shredded coconut with a spoon.
6. Pour the batter into the prepared pan and bake about 60 minutes, until a skewer inserted into the center comes out with a few moist crumbs rather than fully clean.
7. Cool in the pan on a wire rack, then remove and cool completely.
8. Toast the remaining coconut at 350°F for 5–10 minutes, until golden.
9. Whisk the powdered sugar with the buttermilk to your desired consistency, drizzle over the cake, and top with the toasted coconut.

Tips for Success

• Beat the butter and sugar the full time listed so the batter has enough air worked in for a tender crumb.
• Add the eggs one at a time to help the batter emulsify smoothly rather than curdling.
• Watch the coconut closely while toasting — it can go from golden to burnt quickly.
• Let the cake cool completely before glazing, or the glaze will melt and slide off.

How to Know It’s Done

The cake is ready when a skewer inserted into the center comes out with just a few moist crumbs clinging to it, rather than fully clean or with wet batter — this signals a moist crumb without being underbaked.

What to Serve With It

A slice of this cake pairs well with coffee or tea. For more coconut dessert ideas from Poulef, try our Coconut Ricotta Custard Cake or our Sticky Coconut Cake.

Storage Instructions

The recipe source didn’t specify an exact storage duration. As general guidance for a glazed buttermilk cake like this one: store it covered at room temperature for a couple of days, or in the refrigerator for closer to a week, since the buttermilk glaze can soften if left uncovered.

Freezing Instructions

The recipe source didn’t provide specific freezing instructions. As general guidance: it’s best to freeze the loaf unglazed, wrapped tightly, for up to a couple of months, then thaw and add a fresh glaze and toasted coconut before serving.

Common Mistakes

• Not beating the butter and sugar long enough, which can leave the cake dense instead of light.
• Adding the eggs all at once instead of one at a time, which can cause the batter to look curdled.
• Overbaking past the “a few moist crumbs” stage, which can dry out the crumb.
• Glazing the cake before it’s fully cooled, which causes the glaze to melt and run off instead of setting.

Frequently Asked Questions

Can I skip the coconut extract?

The recipe calls for both vanilla and coconut extract to build a stronger coconut flavor; leaving out the coconut extract isn’t part of the original recipe and will result in a milder coconut taste.

Do I have to toast the coconut for the topping?

Yes, toasting is part of the recipe as written — it gives the topping its golden color and adds a nutty flavor that plain shredded coconut wouldn’t have.

Why did my glaze turn out too thin or too thick?

The recipe says to whisk the powdered sugar and buttermilk “to desired consistency,” so it’s meant to be adjusted slightly by eye until it’s a texture you’re happy drizzling over the cake.

Can I bake this in a different pan?

The recipe is written for a 9×5-inch loaf pan; baking in a different pan size isn’t part of the original method and would likely change the bake time.

Can I make my own buttermilk for this recipe?

If you don’t have buttermilk on hand, a common substitute is adding a tablespoon of lemon juice or white vinegar to a cup of milk and letting it sit for a few minutes until it thickens slightly. This isn’t part of the original recipe, but it’s a widely used stand-in when buttermilk isn’t available.

Recipe Background

Buttermilk cakes are a longstanding staple of Southern baking, valued for how the buttermilk’s acidity tenderizes the crumb and adds a subtle tang that balances a cake’s sweetness. Building a coconut cake on that buttermilk base, rather than the more familiar tall, frosted layer-cake format, keeps things simple while still delivering the moist texture and real coconut flavor that make coconut cake a classic in the first place.

Buttermilk’s role here isn’t just about flavor. Its acidity reacts with the baking powder to help the batter rise, and it breaks down gluten strands just enough to keep the crumb tender rather than tough — which is why so many old-fashioned Southern cake recipes lean on it instead of plain milk. Folding coconut into that same base is a natural pairing: the coconut’s chew and sweetness sit well against a crumb that’s already soft and a little tangy.

Conclusion

This Moist Buttermilk Coconut Cake proves that a simple loaf pan can turn out a genuinely special dessert. Soft, buttery, and full of coconut flavor, it’s an easy bake that still feels like something worth sharing. Happy baking!

More Delicious Recipes You’ll Love

• Coconut Ricotta Custard Cake
• Old-Fashioned Chocolate Coconut Cream Pound Cake
• Brown Sugar Banana Coconut Loaf
• Ultimate Coconut Cream Layer Cake
• Moist Buttermilk Pound Cake

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Nutritional Information

Nutrition is per serving (8 servings), as provided by the recipe source.

Nutrient	Amount per Serving
Calories	552
Carbohydrates	74g
Protein	7g
Fat	26g
Sugar	49g

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