Irresistible Flourless Lemon Pistachio Cake — Easy Gluten-Free Dessert

By 9am chef

If you’re craving sunshine in dessert form, this Lemon Pistachio Cake hits the spot — zesty  lemon, a custardy, melt-in-your-mouth crumb, and a satisfying pistachio crunch on top. It’s naturally flourless, easy to make, and perfect when you want a showstopping dessert that still feels somewhat virtuous. (FYI: that’s the best kind of dessert.)

Why you’ll love this recipe

Who doesn’t want dessert that tastes decadent but doesn’t use wheat flour? This cake manages to feel indulgent while also checking lots of boxes: it’s naturally gluten-free, full of nutty richness, and brightened with real lemon juice and zest. You get a soft, slightly custardy center with golden edges and a burst of texture from toasted pistachios.

A sunny, citrus-forward cake with a tender, almost custard-like crumb and a crisp pistachio finish — naturally wheat-free and delightfully simple to bake. Quick to mix, slow to disappear.

Ingredients

• 2 cups almond flour
• 1 cup granulated sugar
• 4 large eggs
• ½ cup melted butter or olive oil
• Juice of 2 lemons
• Zest of 2 lemons
• 1 teaspoon vanilla extract
• 1 teaspoon baking powder
• ½ teaspoon salt
• ½ cup chopped pistachios (plus extra for sprinkling)

Lemon Glaze

• ½ cup lemon juice
• ⅓ cup sugar
• More chopped pistachios for garnish

Instructions

1. Preheat the oven to 350°F (175°C). Grease a round cake pan and line the bottom with parchment paper for easy removal.Desserts
2. In a large mixing bowl, whisk the eggs with the sugar until blended. Stir in the melted butter (or oil), lemon juice, lemon zest, and vanilla until smooth.
3. Add the almond flour, baking powder, and salt to the wet mixture. Stir until the batter becomes even and lump-free.
4. Fold the chopped pistachios into the batter so they’re evenly distributed.
5. Transfer the batter to the prepared pan and level the surface with a spatula.
6. Bake for 45–55 minutes, or until the cake’s edge is golden and the center is set (a slight jiggle is okay — it firms as it cools).
7. While the cake is still warm, combine the lemon juice and sugar in a small saucepan and heat gently until the sugar dissolves. Spoon or drizzle this syrup over the top so it soaks in.
8. Scatter extra pistachios on the glazed cake. Let it cool completely before slicing so the texture sets.

Notes

• For deeper nut flavor, lightly toast the pistachios in a dry skillet for a few minutes before chopping.
• If you prefer dairy-free, use olive oil or melted coconut oil instead of butter.
• Pro tip: Add a drop of lemon extract or a tiny pinch of turmeric to boost the cake’s bright color without changing the taste.