Zesty Lemon Poppy Seed Cake with Lemony Glaze

Lemon poppy seed cake is what’s for dessert! This light, fluffy lemon poppy seed cake is finished with an airy whipped cream lemon frosting and garnished with homemade candied lemon slices for a bright, elegant finish.

Fluffy Lemon Poppy Seed Cake

This lemon poppy seed cake combines bright citrus flavor, tender crumb, and a subtle crunch from poppy seeds. The cake itself is soft and moist, while the whipped cream frosting adds a light, lemony finish. Candied lemon slices make the presentation pop and introduce a sweet-tart contrast that complements every bite. It’s an ideal dessert for spring gatherings, afternoon tea, or any time you want a fresh, cheerful cake.

The lemon zest folded into the batter gives the cake pronounced citrus notes, the poppy seeds add texture and visual appeal, and the whipped cream frosting keeps the overall dessert light. If you prefer a more formal presentation, slice the cake horizontally into two layers and spread frosting between them to make a layer cake.

Featured Ingredients

For the lemon poppy seed cake

• 3 cups all-purpose flour
• 2 tablespoons fresh lemon zest
• 1 1/2 tablespoons poppy seeds
• 4 teaspoons baking powder
• 1 teaspoon kosher salt
• 2/3 cup melted coconut oil
• 3/4 cup granulated sugar
• 2 teaspoons vanilla extract
• 4 large eggs, room temperature
• 1 3/4 cups almond milk (or another non-dairy milk)

For the candied lemons

• 1 large lemon, thinly sliced
• 1/2 cup water
• 2 tablespoons fresh lemon juice
• 2 tablespoons granulated sugar
• 2 teaspoons turbinado sugar for finishing

For the whipped cream frosting

• 1 1/2 cups heavy whipping cream, chilled
• 1/2 cup + 1 tablespoon powdered sugar
• 3 teaspoons fresh lemon juice
• 1 1/2 teaspoons vanilla extract

How to Make Lemon Poppy Seed Cake

Prepare the cake

• Preheat the oven to 350°F (175°C). Line the bottom of a 9-inch round cake pan or a springform pan with parchment paper and lightly grease the sides.
• In a large bowl, whisk together the all-purpose flour, lemon zest, poppy seeds, baking powder, and kosher salt until evenly combined.
• In the bowl of a stand mixer (or with a handheld mixer), combine the melted coconut oil, granulated sugar, and vanilla extract. Beat on high speed until the mixture lightens slightly in color and becomes airy.
• Reduce the mixer speed to low and add the eggs one at a time, mixing just until incorporated after each addition.
• Slowly stream in the almond milk while mixing on low, then add the dry ingredients in batches. Mix until just combined—avoid over-mixing to keep the cake tender.
• Pour the batter into the prepared pan, smooth the top, and bake for about 45 minutes or until a toothpick inserted in the center comes out clean. Allow the cake to rest for 10 minutes, then remove from the pan and cool completely on a wire rack before frosting.

Prepare candied lemons

• While the cake bakes, combine the water, lemon juice, and granulated sugar in a skillet. Bring to a gentle boil.
• Add the lemon slices in a single layer, reduce heat to a simmer, and poach for about 15 minutes, flipping gently once so they cook evenly.
• Transfer the slices to a wire rack to cool and sprinkle with turbinado sugar to give them a glossy, crunchy finish.

Prepare the whipped cream frosting

• Chill a mixing bowl and beaters in the freezer for a few minutes to help the cream whip up cold.
• Pour the heavy whipping cream into the chilled bowl, add the powdered sugar, lemon juice, and vanilla extract, and whip on low-to-medium speed until stiff peaks form. Scrape the sides of the bowl as needed for an even texture.

Frost the cake & enjoy

• When the cake is completely cool, place it on a cake stand or serving plate. If desired, cut the cake into two layers horizontally and spread a layer of frosting between them.
• Frost the outside of the cake with the whipped cream frosting using a spatula or frosting knife until smooth or slightly textured, depending on the look you prefer.
• Top with candied lemon slices, a sprinkle of fresh lemon zest, and extra poppy seeds for contrast. Slice and serve.

Easy Ingredient Swaps

• Poppy seeds → chia seeds (1:1) if you prefer or need an alternative.
• Almond milk → any non-dairy milk or dairy milk as desired.
• Coconut oil → melted unsalted butter for a richer flavor.

Top Tips

Don’t skip the whipped cream frosting: It keeps the cake light and complements the lemon without overwhelming the crumb.

Measure flour correctly: Use the spoon-and-level method for all-purpose flour to preserve the cake’s fluffiness.

Make a layer cake: If making layers, cool the cake fully, slice carefully, and chill briefly before filling to make assembly easier.

FAQs

Storage

Store the frosted cake in an airtight container in the refrigerator for up to 3 days. If left at room temperature, keep it covered in a cool place and consume within a day for best quality.

Can I freeze this cake? Freeze the cake before frosting for best results. Cool completely, wrap tightly in foil or plastic wrap, and store in the freezer for up to 3 months. Thaw in the refrigerator before frosting and serving.

Nutrition

Approximate per-serving nutrition (estimate): Calories: 433 kcal; Carbohydrates: 47 g; Protein: 6 g; Fat: 25 g; Fiber: 1 g; Sugar: 22 g. These values are estimates and should be used as a general guide.