This flourless lemon pistachio cake is a moist, tender, nut-rich dessert made without wheat flour. It combines fresh lemon juice and zest with finely ground pistachios, eggs, and a sweet lemon glaze. The result is a bright, slightly tangy cake with a soft crumb and a delicious pistachio flavor.
The image shows a glazed cake topped with pistachios. The recipe below is a complete home-baking version based on the ingredients visible in the image, with the remaining quantities and method filled in.
Prep time
20 minutes
Bake time
35–45 minutes
Servings
8–10 slices
1. Complete ingredients
A. For the cake
Lemon fruit zest. Fresh yellow organic lemons and a grater on a wooden table. Citrus zest grater. Lemon twisted peel. Vitamin C. Space for text. Copy space.
Fresh lemons — 2 medium
Zest of both lemons
3–4 tablespoons fresh lemon juice, adjusted to taste
Use unwaxed lemons if possible, and wash thoroughly before zesting.
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Shelled pistachios — 1½ cups (about 180–190 g)
Unsalted, shelled kernels
Grind finely for the cake batter.
Reserve 2–3 tablespoons for decorating.
Four brown eggs in a terracotta bowl on a white surface .
Large eggs — 4
Approximately 200 g without shells
Bring to room temperature for easier mixing.
White sugar in bowl on gray stone background
Granulated sugar — ¾ cup (150 g)
Provides sweetness and helps retain moisture.
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Baking powder — 1 teaspoon (4 g)
Optional, but helps create a lighter cake. Choose a gluten-free baking powder if required.
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Unsalted butter — ¼ cup (55–57 g), melted
Adds richness and keeps the cake tender. Cool slightly before mixing.
Vanilla extract — 1 teaspoon
Salt — ¼ teaspoon
These balance the sweetness and enhance the lemon and pistachio flavors.
B. For the lemon glaze
1 cup (120 g) powdered or icing sugar, sifted
2–3 tablespoons fresh lemon juice
½ teaspoon finely grated lemon zest, optional
1 teaspoon water, only if needed to adjust consistency
C. For the topping
2–3 tablespoons chopped or roughly crushed pistachios
A little extra lemon zest
Optional: a few thin lemon slices for serving
2. Equipment needed
8-inch (20 cm) round cake pan
Baking paper or parchment paper
Food processor or high-speed blender for grinding pistachios
Two mixing bowls
Electric hand mixer or stand mixer
Fine grater or zester
Rubber spatula
Measuring cups or kitchen scale
Wire cooling rack
3. Step-by-step preparation
Chec cu fistic și glazură de lămâie – The Lemon Flavour
Step 1 — Prepare the oven and pan
Preheat your oven to 170°C conventional (340°F). For a fan-assisted oven, use approximately 160°C. Grease an 8-inch round pan and line the bottom with parchment paper.
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Step 2 — Grind the pistachios
Pulse the shelled pistachios in a food processor until they resemble fine almond meal. Stop frequently and scrape down the sides.
Important: Do not process continuously for too long. Pistachios release oil and can turn into a paste.
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Step 3 — Prepare the lemons
Finely grate the yellow outer peel of both lemons. Avoid the white pith underneath, which tastes bitter. Squeeze the lemons and remove any seeds.
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Step 4 — Beat the eggs and sugar
Beat the four eggs with the sugar for about 3–5 minutes using an electric mixer, until the mixture is pale, thick, and slightly foamy. This incorporates air and helps the flourless cake rise.
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Step 5 — Add the wet ingredients
Gently mix in the lemon zest, 3 tablespoons lemon juice, vanilla extract, melted butter, and salt. Make sure the butter is not hot enough to cook the eggs.
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Step 6 — Fold in the pistachios
Add the ground pistachios and baking powder. Fold gently with a spatula until evenly combined. The batter should be thick but pourable. Avoid overmixing.
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Step 7 — Bake the cake
Pour the batter into the prepared pan and smooth the surface. Bake for 35–45 minutes. Begin checking at 30–35 minutes because ovens vary.
The top should be golden, the center should spring back gently, and a toothpick inserted into the middle should come out without wet batter.
How to Use Pistachio Paste in Baking: A Complete Guide for Bakers
– Délice Pistachios
Step 8 — Cool completely
Leave the cake in the pan for 15 minutes, then carefully remove it and transfer it to a wire rack. Let it cool completely before glazing. The cake is delicate while warm.
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Step 9 — Make the lemon glaze
Whisk the sifted icing sugar with 2 tablespoons lemon juice. Add more juice a few drops at a time until the glaze is thick but pourable. Add the optional lemon zest.
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Step 10 — Decorate and serve
Spread the glaze over the cooled cake. Immediately sprinkle the chopped pistachios and extra lemon zest over the top. Allow 15–20 minutes for the glaze to set before slicing.
4. All about the nuts: pistachio information
Shelled Pistachios Kernels 2.5 LBS Jumbo Container
– Its Delish
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Pistachios are the main ingredient in this flourless cake. They replace wheat flour, add natural richness, and give the cake its characteristic pale green color.
Which type of pistachios should you use?
Pistachio type
Suitable?
Notes
Raw, unsalted, shelled
Best choice
Mild flavor and easy to grind
Roasted, unsalted
Yes
Gives a deeper, toastier flavor
Salted pistachios
Possible
Reduce or omit the added salt
Pistachios with shells
Yes, after shelling
Measure only the edible kernels
Pistachio paste
Not as a direct substitute
Contains concentrated oils and may have added sugar
Pistachio flour or meal
Yes
Use the same weight, approximately 180–190 g
Can you use other nuts?
Organic Blanched Almond Meal 10KG | Honest to Goodness
Almonds
Replace pistachios gram for gram with finely ground almonds. The cake will be lighter in color and have a mild, sweet flavor.
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Hazelnuts
Use the same weight of finely ground hazelnuts. They create a richer, earthier cake that pairs nicely with lemon.
Cashews | Wholesale Ingredient
Cashews
Can work as a substitute, but their higher starch content and different fat composition may produce a softer, less distinctive crumb.
Ground pepita pumpkin seeds in wooden bowl over white
Pumpkin seeds
A possible seed-based alternative for people who need to avoid tree nuts. Grind finely, and be aware that the cake’s flavor and texture will change. Check for cross-contact with nuts.
Important allergy information: Pistachios are tree nuts and can cause serious allergic reactions. Cashews are closely related to pistachios, and people with a pistachio allergy should not assume cashews are safe. If baking for someone with a nut allergy, confirm their specific restrictions and avoid cross-contact from equipment, utensils, ingredients, and work surfaces.
5. Nutritional information
The following values are approximate estimates for the recipe using 180–190 g pistachios, four eggs, 150 g sugar, butter, and the full lemon glaze.
Nutrition
Per slice (1 of 10)
Calories
280–330 kcal
Protein
7–9 g
Total fat
19–23 g
Carbohydrates
23–30 g
Fiber
2–3 g
Total sugars
18–24 g
Actual values depend on the size of the lemons, the amount of glaze used, the pistachio brand, and how many slices you cut.
Is this cake healthy?
Pistachios: Provide unsaturated fats, plant protein, fiber, and nutrients including vitamin B6 and potassium.
Eggs: Supply protein and help hold the cake together.
Lemons: Provide vitamin C and aromatic zest, although baking reduces some vitamin C.
Sugar and butter: Contribute sweetness, calories, and texture, so this is still a dessert rather than a low-calorie food.
To reduce the sugar, you can use 100–120 g sugar in the cake and make a thinner glaze or omit it. The cake will taste more tart and may have a slightly different texture.
6. Frequently asked questions (Q&A)
Q1. Is this cake completely flourless?
Yes, provided you use ground pistachios rather than wheat flour and ensure that your baking powder and other ingredients contain no added flour. Ground nuts serve as the main dry ingredient.
Q2. Is flourless lemon pistachio cake gluten-free?
It can be gluten-free because it contains no wheat flour. However, verify the labels of all packaged ingredients and check for cross-contact if you are baking for someone with celiac disease or a serious gluten sensitivity.
Q3. Why did my cake turn out dense?
Common causes include overprocessing the pistachios into a paste, insufficiently beating the eggs, overmixing the batter, or using too much ground pistachio. Beat the eggs and sugar until pale and foamy, then fold the nuts in gently.
Q4. Why is my cake green?
Pistachios naturally give the cake a yellow-green to pale green color. The shade varies with the nuts, their freshness, and how finely they are ground. Avoid artificial coloring unless you specifically want a brighter green.
Q5. Can I make it without butter?
You can try substituting 50 g neutral-flavored oil for the butter. The texture and flavor will differ slightly. Since pistachios already contain substantial fat, avoid adding extra oil beyond the suggested amount.
Q6. Can I make it without baking powder?
Yes. The eggs provide some lift, especially if beaten well. However, the cake may be shorter and denser. If you omit the baking powder, take extra care not to deflate the egg mixture.
Q7. Can I use bottled lemon juice?
Fresh lemon juice and zest are recommended for the best flavor. Bottled juice can be used if necessary, but it will not provide the same fresh lemon aroma. Do not omit the zest if you want a strong lemon flavor.
Q8. How do I prevent the cake from sticking?
Grease the pan, line the base with parchment paper, and let the cake cool for about 15 minutes before removing it. Avoid trying to remove it while piping hot.
Q9. How do I know when it is baked?
The edges should be golden and pulling slightly away from the pan. A toothpick inserted in the center should come out without wet batter. A few moist crumbs are fine; do not overbake, as flourless cakes can dry out.
Q10. Can I make the cake ahead of time?
Yes. Bake it a day ahead, cool completely, and store it in an airtight container. Add the glaze and pistachio topping closer to serving time for the best appearance.
Q11. How should I store leftovers?
Store the cake in an airtight container in the refrigerator for approximately 4–5 days. Bring individual slices toward room temperature before serving for a softer texture. Do not leave the cake out for extended periods in a hot environment.
Q12. Can I freeze this cake?
Yes. Freeze the completely cooled, unglazed cake, wrapped tightly, for up to 2–3 months for best quality. Thaw in the refrigerator, then bring it toward room temperature before glazing.
Q13. Can I make cupcakes instead?
Yes. Divide the batter among lined muffin cups, filling each approximately two-thirds full. Begin checking after 18–25 minutes at 170°C, adjusting for your oven and the size of the cups.
Q14. Can I use a different cake pan?
An 8-inch round pan is ideal. A 9-inch pan will produce a thinner cake and may bake faster. A loaf pan can also work, but the baking time will need adjustment.
Q15. Why is my glaze too runny or too thick?
If runny, gradually whisk in more sifted icing sugar. If too thick, add lemon juice a few drops at a time. The ideal glaze should slowly flow from a spoon while still coating the cake.
7. Troubleshooting guide
Problem
Likely reason
Solution
Cake sinks in the middle
Underbaking or too much air lost
Check the center before removing and fold gently
Cake is dry
Overbaking
Start checking early and remove when just baked
Cake is oily
Pistachios overground or too much fat
Pulse nuts briefly and measure ingredients by weight
Cake is too sour
Too much lemon juice
Use 3 tablespoons in the batter initially
Cake is too sweet
Too much glaze
Use a thinner glaze or serve without it
Cake crumbles when sliced
Cut while warm or structure is delicate
Cool completely and use a sharp knife
Cake tastes bitter
Lemon pith or rancid nuts
Zest only the yellow peel and use fresh pistachios
8. Serving ideas
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Serve the cake with any of the following:
Fresh strawberries, raspberries, or blueberries.
A spoonful of lightly whipped cream.
Plain Greek yogurt for a less-sweet accompaniment.
Green tea, black tea, or coffee.
A little extra lemon zest and chopped pistachios for a fresh finish.
9. Printable recipe card
Flourless Lemon Pistachio Cake
Makes 8–10 slices · 20 min prep · 35–45 min baking
Ingredients
2 fresh lemons, zested and juiced
1½ cups (180–190 g) shelled pistachios, finely ground
4 large eggs
¾ cup (150 g) granulated sugar
¼ cup (55–57 g) melted unsalted butter
1 teaspoon baking powder
1 teaspoon vanilla extract
¼ teaspoon salt
Glaze and topping
1 cup (120 g) icing sugar
2–3 tablespoons lemon juice
2–3 tablespoons chopped pistachios
Method
Heat oven to 170°C (340°F) and line an 8-inch cake pan.
Grind the pistachios into a fine meal.
Beat eggs and sugar until pale and foamy.
Mix in lemon zest, lemon juice, vanilla, melted butter, and salt.
Fold in ground pistachios and baking powder.
Bake for 35–45 minutes, until the center is set.
Cool completely.
Mix icing sugar with lemon juice and drizzle over the cake.
Sprinkle with chopped pistachios and let the glaze set before serving.
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