If you’ve ever dreamed of a dessert that feels like a warm hug from your Italian grandmother, then this Italian Grandma’s Lemon Custard Cake – Classic Recipe is going to steal your heart. It perfectly marries a tender, buttery crust with vibrant, silky lemon custard that is bright without being overpowering. Each bite melts on your tongue and offers a beautiful balance of sweetness and citrus zing that’s simply unforgettable. This recipe isn’t just a cake—it’s a delicious tradition you’ll want to keep forever.

Ingredients You’ll Need
This cake relies on a handful of simple, pure ingredients that work harmoniously to create that iconic texture and flavor. Each ingredient serves a vital role, from the crisp crust to the creamy lemon custard that makes this cake truly shine.
- All-purpose flour: Forms the tender base and structure of the crust.
- Granulated sugar: Adds the perfect touch of sweetness to both crust and custard.
- Pinch of salt: Enhances all the other flavors for a perfectly balanced taste.
- Unsalted butter (cold and cubed): Creates a flaky, buttery crust that’s irresistible.
- Egg yolks: Provide richness and help bind the crust and custard together.
- Cold water: Helps bring the dough together without making it tough.
- Whole milk: Adds creaminess and body to the luscious lemon custard.
- Cornstarch: Thickens the custard to that signature silky texture.
- Lemon zest and fresh lemon juice: Give the custard its fresh, vibrant citrus flavor.
- Vanilla extract: Adds a subtle depth and warmth to the lemon custard.
How to Make Italian Grandma’s Lemon Custard Cake – Classic Recipe
Step 1: Make the Crust
Start by combining the flour, sugar, and salt in a bowl. Next, cut in the cold, cubed butter until the mixture resembles coarse crumbs—this is the secret to a flaky crust. Add the egg yolk and cold water, mixing just until the dough comes together. Press the dough evenly into your tart pan or a square cake pan and chill in the fridge for 20 to 30 minutes. This resting time helps the crust hold its shape during baking and sets the stage for a tender crumb.
Step 2: Pre-Bake the Crust
Heat your oven to 350°F (175°C). Before baking, prick the base of the crust gently with a fork—this keeps it from bubbling up while cooking. Bake for 12 to 15 minutes, or until the crust turns a delicate golden hue. Take it out and let it cool just enough to avoid mixing the warm crust with your luscious custard in the next step.
Step 3: Prepare the Lemon Custard
This is where the magic happens—combine sugar, cornstarch, lemon zest, and egg yolks in a saucepan, whisking them together for an even mixture. Gradually pour in the milk while continuing to whisk to keep things smooth. Cook over medium heat, constantly stirring, until the custard thickens and becomes velvety. Remove from heat and stir in fresh lemon juice, butter, and vanilla extract—the rich butter and fragrant vanilla bring depth to the bright lemon flavor.
Step 4: Bake the Cake
Pour the creamy lemon custard over the pre-baked crust and smooth it out evenly. Bake for 25 to 30 minutes, watching for the custard to just set while still having a slight jiggle in the center—that’s the perfect texture, promising smoothness and creaminess once cooled. Let the cake cool fully to room temperature before slicing to get clean, beautiful pieces of this classic Italian dessert.
How to Serve Italian Grandma’s Lemon Custard Cake – Classic Recipe

Garnishes
To keep the natural charm of this exquisite cake, simple garnishes work best. A dusting of powdered sugar or a few delicate lemon zest curls elegantly highlight the lemon flavor. For an extra touch of freshness, consider a handful of fresh berries or a sprig of mint—they bring color and a subtle contrast that’s delightful on the palate.
Side Dishes
This cake is perfectly suited to stand on its own, but if you want to serve it alongside something else, a scoop of vanilla gelato or lightly whipped cream is heavenly. Pairing it with a light, herbal tea or a sparkling wine can elevate the experience, balancing the sweetness and citrus punch wonderfully.
Creative Ways to Present
Imagine serving this classic cherry on the cake on a pretty vintage platter or layered in small parfait glasses with fresh fruit for a stunning dessert presentation. You can also cut small squares and serve them on tiny plates with a drizzle of berry coulis or a sprinkling of toasted almonds for texture and an extra pop of flavor.
Make Ahead and Storage
Storing Leftovers
Leftover Italian Grandma’s Lemon Custard Cake – Classic Recipe keeps beautifully in the refrigerator, covered tightly with plastic wrap or stored in an airtight container. It will stay fresh for up to three days, allowing you to savor every luscious bite without worry.
Freezing
This cake is not the best candidate for freezing because the custard can separate and become watery when thawed. If you want to prepare parts ahead, freezing the crust components separately is an option, then baking and filling fresh before serving for the best results.
Reheating
Since this is a custard-based cake, it’s best enjoyed cold or at room temperature. If you prefer it slightly warmer, let it sit out for 15 to 20 minutes before serving—avoid microwaving as it can alter the custard’s texture.
FAQs
Can I use lemon extract instead of fresh lemon juice?
While lemon extract can add flavor, fresh lemon juice is essential for the bright, natural citrus acidity that defines this cake. The fresh juice also affects the custard’s texture, so it’s best to stick with fresh lemons.
What pan size should I use for this recipe?
A 9-inch tart pan with a removable bottom works wonderfully to create that crisp crust and easy slicing. If you don’t have one, a square cake pan of similar size will also do the trick.
Is it necessary to pre-bake the crust?
Yes, pre-baking prevents the crust from becoming soggy once the custard is poured in, ensuring a perfectly crisp base every time.
Can I make this cake gluten-free?
Absolutely! Substitute all-purpose flour with a gluten-free flour blend designed for baking. Just note that textures may vary slightly but will still be delicious.
How long should I chill the dough before baking?
Chilling for 20 to 30 minutes is enough time for the dough to rest and firm up, which helps it bake evenly and hold its shape without shrinking.
Final Thoughts
This Italian Grandma’s Lemon Custard Cake – Classic Recipe is an absolute treasure that beautifully captures the essence of homemade comfort food with a citrus twist. It’s a wonderful way to share love and tradition in every slice, and I wholeheartedly encourage you to make this timeless cake your own. Once you do, it will quickly become a cherished staple in your dessert repertoire.
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		Italian Grandma’s Lemon Custard Cake – Classic Recipe
- Prep Time: 25 minutes
- Cook Time: 30 minutes
- Total Time: 55 minutes
- Yield: 8 to 10 slices
- Category: Dessert
- Method: Baking
- Cuisine: Italian
Description
This classic Italian Grandma’s Lemon Custard Cake features a buttery, crumbly crust filled with a luscious, tangy lemon custard. The delicate balance of sweet and tart flavors along with a smooth texture makes this dessert a refreshing and timeless treat perfect for any occasion.
Ingredients
For the Crust
- 1½ cups all-purpose flour
- ¼ cup granulated sugar
- Pinch of salt
- ½ cup unsalted butter, cold and cubed
- 1 egg yolk
- 2–3 tbsp cold water
For the Lemon Custard
- 1½ cups whole milk
- ¾ cup granulated sugar
- 3 large egg yolks
- ¼ cup cornstarch
- Zest of 1 lemon
- ½ cup fresh lemon juice (about 2 lemons)
- 2 tbsp unsalted butter
- 1 tsp vanilla extract
Instructions
- Make the Crust: In a bowl, combine the flour, sugar, and salt. Cut in the cold cubed butter until the mixture becomes crumbly. Add the egg yolk and cold water gradually, stirring until the dough just forms. Press the dough evenly into a tart or square cake pan. Chill in the refrigerator for 20–30 minutes to firm up.
- Pre-Bake the Crust: Preheat the oven to 350°F (175°C). Use a fork to prick holes all over the base of the dough to prevent bubbling. Bake the crust for 12–15 minutes until it turns lightly golden. Remove from the oven and let it cool slightly.
- Prepare the Lemon Custard: In a saucepan, vigorously whisk together sugar, cornstarch, lemon zest, and egg yolks until smooth. Slowly pour in the whole milk, continuing to whisk to combine. Cook the mixture over medium heat, stirring constantly, until it thickens to a pudding-like consistency. Remove from heat and stir in the fresh lemon juice, butter, and vanilla extract until the custard is silky and smooth.
- Bake the Cake: Pour the prepared lemon custard evenly into the pre-baked crust. Return the filled pan to the oven and bake for 25–30 minutes. The custard should be set but still slightly jiggly in the center for the perfect texture. Allow the cake to cool completely before slicing into 8–10 generous pieces.
Notes
- Ensure the butter for the crust is cold to achieve a tender, flaky base.
- Do not overbake the custard; it should hold a gentle wobble when done for a creamy texture.
- Use freshly squeezed lemon juice and zest for the best lemon flavor.
- Let the cake cool completely to set properly before slicing and serving.
- Store leftovers covered in the refrigerator for up to 3 days.

 
		 
			 
			 
			 
			 
			 
			