Almond Flour Lemon Poppy Seed Cake Recipe

I never expected a gluten-free cake to be this tender, bright, and bakery-worthy. This Almond Flour Lemon Poppy Seed Cake hides a rich lemon cream cheese frosting that makes every slice feel irresistible.

I’m obsessed with this Almond Flour Lemon Poppy Seed Cake because it hits that bright, tangy-sweet spot without feeling heavy. The crumb is soft and plush from almond flour, with tiny poppy seed crunches in every bite.

And the lemon cream cheese frosting? I could swipe it straight from the bowl.

It’s rich, tart, and just sharp enough to keep the cake from leaning too sweet. But what I really love is how fresh it tastes, like lemon actually showed up and did its job.

No bland gluten-free cake vibes here. Just a citrusy slice I keep sneaking back for.

Ingredients

• Almond flour keeps it tender, nutty, and naturally gluten-free.

  Pretty nice bonus.

• Baking powder and soda help the cake rise instead of feeling heavy.
• Fine salt makes the lemon pop and keeps sweetness in check.
• Granulated sugar adds sweetness and helps the top bake up golden.
• Eggs give structure, richness, and that soft cake texture you want.
• Neutral oil keeps it moist for days, not just fresh from the oven.
• Greek yogurt or sour cream adds tang, moisture, and a little protein.
• Lemon zest brings the bright, real lemon flavor you’ll actually notice.
• Fresh lemon juice adds sharpness so the cake doesn’t taste flat.
• Poppy seeds give tiny crunch and that classic bakery-style look.
• Vanilla rounds everything out so it tastes warm, not just tart.
• Cream cheese and butter make the frosting creamy, rich, and slightly tangy.
• Powdered sugar sweetens the frosting without making it gritty.
• Plus, lemon in the frosting makes each bite feel fresh.
• Basically, milk or cream loosens the frosting if it’s too thick.

Ingredient Quantities

• 2 1/2 cups (about 280 g) finely ground almond flour
• 1 teaspoon baking powder
• 1/2 teaspoon baking soda
• 1/4 teaspoon fine salt
• 3/4 cup (150 g) granulated sugar
• 4 large eggs, room temperature
• 1/3 cup (80 ml) neutral oil such as vegetable or light olive oil
• 1/2 cup (120 g) plain Greek yogurt or sour cream
• 2 tablespoons fresh lemon zest (from about 2 lemons)
• 1/4 cup (60 ml) fresh lemon juice
• 2 tablespoons poppy seeds
• 1 teaspoon vanilla extract
• 8 ounces (225 g) cream cheese, softened
• 4 tablespoons (56 g) unsalted butter, softened
• 1 1/2 cups (about 180 g) powdered sugar, sifted
• 1 to 2 tablespoons fresh lemon juice for frosting, to taste
• 1 teaspoon lemon zest for frosting
• Pinch of fine salt for the frosting
• 1 to 2 tablespoons milk or cream, optional, to thin the frosting if needed

How to Make this

1. Preheat oven to 350°F (175°C). Grease and line an 8 or 9 inch round cake pan with parchment paper and lightly grease the parchment.

2. In a bowl, whisk together 2 1/2 cups (about 280 g) finely ground almond flour, 1 teaspoon baking powder, 1/2 teaspoon baking soda, and 1/4 teaspoon fine salt until uniform.

3. In a large bowl, whisk 3/4 cup (150 g) granulated sugar and 4 large room temperature eggs until slightly thickened. Add 1/3 cup (80 ml) neutral oil, 1/2 cup (120 g) plain Greek yogurt or sour cream, 2 tablespoons fresh lemon zest, 1/4 cup (60 ml) fresh lemon juice, 1 teaspoon vanilla extract, and 2 tablespoons poppy seeds and whisk until smooth.

4. Fold the dry ingredients into the wet mixture with a spatula until just combined and no large streaks remain. Do not overmix.

5. Pour batter into the prepared pan, smooth the top, and bake in the center of the oven for 30 to 38 minutes or until a toothpick inserted in the center comes out with a few moist crumbs.

6. Allow the cake to cool in the pan for 10 minutes, then remove to a wire rack and cool completely before frosting.

7. For the frosting, beat together 8 ounces (225 g) softened cream cheese and 4 tablespoons (56 g) softened unsalted butter until creamy. Add 1 1/2 cups (about 180 g) sifted powdered sugar, 1 teaspoon lemon zest, a pinch of fine salt, and 1 to 2 tablespoons fresh lemon juice to taste. Beat until smooth.

8. If the frosting is too thick, thin it with 1 to 2 tablespoons milk or cream, adding a little at a time until you reach spreadable consistency. Adjust lemon juice or powdered sugar to taste for balance.

9. Once the cake is completely cool, spread or pipe the lemon cream cheese frosting evenly over the top. Sprinkle a few extra poppy seeds or a little lemon zest on top if desired.

10. Chill the frosted cake for 20 to 30 minutes to set the frosting slightly, then slice and serve. Store leftovers covered in the refrigerator for up to 4 days.

Equipment Needed

1. Oven
2. 8 or 9 inch round cake pan lined with parchment paper
3. Mixing bowls (one large, one medium)
4. Whisk
5. Rubber spatula for folding and smoothing
6. Electric hand mixer or stand mixer for frosting
7. Measuring cups and spoons and kitchen scale for accuracy
8. Microplane or box grater for lemon zest and a citrus juicer for juice
9. Wire cooling rack and a toothpick or cake tester

FAQ

Almond Flour Lemon Poppy Seed Cake Recipe Substitutions and Variations

• Almond flour: substitute with 1 1/4 cups (140 g) superfine blanched almond meal plus 1/4 cup (30 g) tapioca starch to mimic texture, or use equal weight (280 g) finely ground hazelnut or sunflower seed flour if nut allergy is not an issue
• Granulated sugar: substitute with 3/4 cup (150 g) coconut sugar for a lightly caramel flavor, or 2/3 cup (160 g) honey or maple syrup but reduce other liquids by about 2 tablespoons and bake a few minutes longer
• Plain Greek yogurt or sour cream: substitute with equal weight (120 g) full-fat cottage cheese blended until smooth, or 1/2 cup (120 ml) buttermilk plus 2 tablespoons cornstarch to approximate thickness
• Cream cheese for frosting: substitute with equal weight (225 g) mascarpone for a milder, richer flavor, or use 1 cup (240 g) full-fat ricotta blended smooth with 2 tablespoons powdered sugar and 1 teaspoon lemon zest for a lighter frosting

Pro Tips

1. Use very finely ground almond flour and gently fluff it before measuring so the cake stays light rather than dense. If your almond meal looks coarse, pulse it briefly in a food processor, then cool before using.

2. Make sure eggs, yogurt and cream cheese are truly at room temperature. Warm ingredients emulsify more easily, giving a smoother batter and frosting with fewer lumps.

3. Fold the dry mix in with slow, deliberate turns until just combined. Overmixing will develop a heavier texture and can make the cake crumb tight.

4. Watch the cake starting at 30 minutes, then test with a toothpick. You want a few moist crumbs on the toothpick, not completely dry. Ovens vary, so relying on texture prevents overbaking and keeps the crumb tender.

5. Chill the frosted cake briefly so the frosting firms up for cleaner slices. If your frosting seems too soft, refrigerate it for 10 to 20 minutes before spreading, or thin with milk one teaspoon at a time only if needed for spreading.