
If you want a bright, uplifting cake to chase away winter blues, this Buttermilk Citrus Cake is perfect. A single-layer, one-bowl cake made with the reverse creaming method, it’s quick to prepare and yields a tender, delicate crumb with minimal fuss.
Fresh citrus zest—use any mix you prefer, such as orange, lemon, grapefruit, or lime—gives a lively, aromatic flavor. A light citrus buttercream balances sweetness without overpowering the cake. Simple enough for a weekday bake, elegant enough for a celebration.
Recipe highlights
- Bright citrus flavor from fresh zest and juice.
- Soft, tender crumb thanks to the reverse creaming method.
- One-bowl simplicity with straightforward steps.
- Customizable—mix and match citrus fruits to suit your taste.
- Balanced sweetness, great for snacking or a light dessert.
- One-layer bake, so no stacking or elaborate decorating required.
Recipe overview
⏱️ Prep: ~10 mins • Bake: 35–40 mins • Total: Just over 1 hour including cooling
🍴 Yield: One 8-inch (8×8) cake
💪 Skill Level: Beginner-friendly
😋 Flavor Profile: Bright, zesty, aromatic. Pairs well with: Tea, cold milk, or fresh macerated berries.
What is the reverse creaming method?
Instead of creaming butter and sugar first, the reverse creaming method mixes the dry ingredients with butter until the flour is coated in fat. This reduces gluten formation and produces an especially fine, tender crumb—ideal for soft snack cakes like this one.
It’s quick, reliable, and consistently gives a plush texture.
How to make buttermilk citrus cake
The full ingredient list and detailed instructions are in the recipe card below. Here’s a concise overview of the process:
- Massage zest into sugar. Rubbing citrus zest into sugar releases fragrant oils and boosts aroma.
- Add dry ingredients and butter. Combine flour, baking powder, baking soda, and salt, then mix in cold butter until the mixture resembles soft sand.
- Mix in the wet ingredients. Whisk buttermilk, eggs, and citrus juice together, then add slowly to the dry mix on low speed until just incorporated.
- Bake. Transfer batter to a greased 8×8-inch pan and bake until the center is set and the edges are lightly golden.
- Make the buttercream. Beat butter until fluffy, then add powdered sugar, citrus juice, and a pinch of salt until the frosting reaches a spreadable consistency.
- Frost and garnish. Once the cake is completely cool, spread the buttercream and top with thin citrus slices or extra zest.

Pro baking tips for the best citrus cake
Bring ingredients to room temperature: Let eggs and buttermilk sit at room temperature for 10–15 minutes so the batter emulsifies more easily and bakes up lighter.
Don’t skip the zest massage: Rubbing zest into sugar releases essential oils and intensifies the citrus note.
Use fresh citrus: Fresh-squeezed juice and freshly zested peel deliver the brightest flavor—bottled juice won’t match it.
Mix citrus varieties: Combining orange, lemon, and lime (or adding grapefruit, tangerine, Meyer lemon, or blood orange) makes the flavor more interesting and layered.
Cool completely before frosting: Frosting a warm cake will cause the buttercream to soften and slide off.
Variations & substitutions
Choose any citrus you like: Use a single fruit or a mix—grapefruit, blood orange, and Meyer lemon all work well.
Glaze instead of buttercream: For an even simpler finish, drizzle a citrus glaze made from powdered sugar and juice over the cooled cake for a brighter, slightly sweeter finish.
Add floral or botanical sugars: Swap a portion of the sugar for flavored sugars (such as lilac, fennel pollen, or fir-tip sugar) to add a subtle, complementary note to the citrus.
Try tangy whipped topping: Use crème fraîche whipped cream instead of buttercream for a lighter, less sweet topping.
Serving & storage
Serve the cake at room temperature for the softest texture. Store covered at room temperature for up to four days. Refrigerate if you need longer storage, but expect some drying—wrap well or keep in an airtight container.

If you try this Buttermilk Citrus Cake, I’d love to hear how it turned out. Leave a rating and a comment below the recipe card. Enjoy!

Buttermilk Citrus Cake
Equipment
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8×8-inch cake pan
Ingredients
Buttermilk Citrus Cake
- ¾ cup sugar
- zest of 1 orange, 1 lemon, and 1 lime
- 1 ½ cups all purpose flour
- ¾ teaspoon baking powder
- ½ teaspoon baking soda
- ¾ teaspoon salt
- 3 ounces (6 tbsp) unsalted butter, soft
- ¾ cup buttermilk
- 2 eggs
- 2 tablespoons fresh citrus juice
Citrus Buttercream Frosting
- 3 ounces (6 tbsp) unsalted butter, soft
- 1 cup powdered sugar, sifted
- pinch of salt
- 2 tablespoons citrus juice
Instructions
For the cake:
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Preheat the oven to 325°F (160°C). Butter the bottom and sides of an 8×8-inch square cake pan.
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In a stand mixer bowl, blend ¾ cup sugar with the citrus zest until well combined, about 1–2 minutes. Add 1½ cups flour, ¾ tsp baking powder, ½ tsp baking soda, and ¾ tsp salt; mix to combine.
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Add 3 oz (6 tbsp) softened butter and mix until the butter is broken into fine crumbs and the mixture resembles soft sand.
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Whisk together ¾ cup buttermilk, 2 eggs, and 2 tbsp fresh citrus juice. With the mixer on low, gradually add the wet mixture to the dry ingredients until just combined.
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Pour the batter into the prepared pan and bake until the edges are golden and the center is set, about 35–40 minutes. Cool completely before frosting.
For the citrus buttercream:
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Beat 3 oz (6 tbsp) softened butter with 1 cup sifted powdered sugar and a pinch of salt until smooth.
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Add 2 tbsp fresh citrus juice a little at a time until the frosting reaches a spreadable consistency.
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Frost the cooled cake and decorate with thin citrus slices or extra zest as desired.
Did you try this recipe?
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