Italian Grandma’s Lemon Custard Cake – Classic Recipe
If you’re in search of a true taste of sunshine wrapped in cozy family nostalgia, this Italian Grandma’s Lemon Custard Cake – Classic Recipe is exactly what your dessert table has been missing. Imagine silky lemon custard nestled in a tender shortcrust base, each bite bursting with bright citrus and the buttery warmth of a grandmother’s kitchen. Whether for a special Sunday dinner or simply to sweeten up your week, this cake is both comforting and refreshingly sophisticated, sure to win over anyone who tries it.

Ingredients You’ll Need
It’s amazing how the simplest ingredients come together to create this magical treat. For Italian Grandma’s Lemon Custard Cake – Classic Recipe, every element plays a special role — from the lush butter to the zingy lemons, each one brings out the cake’s irresistible texture and old-world flavor.
- All-purpose flour: The sturdy foundation for a crumbly, melt-in-your-mouth shortcrust base.
- Granulated sugar: Sweetens both the crust and the custard for a well-balanced flavor that’s never cloying.
- Pinch of salt: Just a touch wakes up all the other flavors, making the lemon shine brighter.
- Unsalted butter (cold and cubed): Essential for a tender, flaky crust that tastes luxuriously rich.
- Egg yolk: Binds the crust and adds a subtle golden color.
- Cold water: Helps bring your dough together while keeping it tender and light.
- Whole milk: Makes the custard extra creamy and lush — don’t substitute with lower-fat milk if you want the classic texture.
- Large egg yolks: The heart of that delicious, velvety filling.
- Cornstarch: For silken, stable custard that slices beautifully every time.
- Lemon zest: Packs a fragrant punch of citrus aroma right into the custard.
- Fresh lemon juice: Nothing beats it — fresh juice brings brightness and authentic Italian tang.
- Vanilla extract: Adds warmth and rounds out the sharpness of lemon with a subtle sweetness.
How to Make Italian Grandma’s Lemon Custard Cake – Classic Recipe
Step 1: Prepare the Shortcrust Base
Start by combining flour, sugar, and a small pinch of salt in a large mixing bowl. Toss in your cubes of cold butter and, using your fingertips or a pastry cutter, work it in until the mixture resembles coarse sand. Add the egg yolk, then drizzle in the cold water a tablespoon at a time, mixing gently until a dough begins to form. Press this dough into your tart pan (or square cake pan if you’re going for rustic charm!). Pop it in the fridge to chill for 20–30 minutes; this keeps the crust extra flaky.
Step 2: Pre-Bake the Crust
Set your oven to 350°F (175°C). Remove the chilled crust from the fridge and, with a fork, gently prick the base to prevent any puffing while it bakes. Slide the pan into the oven and bake the crust for 12–15 minutes until it just starts turning golden at the edges. Let it cool slightly before moving on — this helps create that perfect barrier for your custard filling.
Step 3: Cook the Lemon Custard
While the crust cools, it’s time to fill your kitchen with the dreamy scent of lemons. In a medium saucepan, whisk together the sugar, cornstarch, lemon zest, and egg yolks — you want a smooth, creamy blend with no lumps. Slowly pour in the milk, whisking constantly, to keep things extra silky. Set the pan over medium heat and cook, stirring often, until the mixture thickens to a custard consistency (it should coat the back of a spoon). Remove from the heat, then add in your fresh lemon juice, butter, and vanilla extract. Stir until glossy, vibrant, and smooth.
Step 4: Assemble and Bake the Cake
Pour that gorgeous, sunshiny custard into your slightly cooled crust, smoothing out the top. Place the cake back in the oven and bake for 25–30 minutes. You’re looking for a custard that’s just set at the edges, with a slight jiggle in the middle — this texture is what makes Italian Grandma’s Lemon Custard Cake – Classic Recipe such a showstopper. Let the cake cool completely before slicing to allow the custard to set up to perfection.
How to Serve Italian Grandma’s Lemon Custard Cake – Classic Recipe

Garnishes
This cake is charming on its own, but a dusting of powdered sugar gives it a sweet, snowy finish. For an extra pop of color, garnish with twists of lemon peel or even a few fresh berries — they’re like little jewels on top of your golden custard creation.
Side Dishes
Turn your dessert moment into a true Italian spread by pairing this cake with espresso or cappuccino. For a lighter touch, serve alongside a fresh fruit salad or a scoop of vanilla gelato to amplify the creamy citrus flavors.
Creative Ways to Present
Try slicing the cake into dainty bars for a sweet afternoon treat or packing mini portions in pretty cupcake liners for an elegant tea party. If you have guests, serve each slice with a dollop of lightly whipped cream and a sprinkle of lemon zest to take the presentation to the next level.
Make Ahead and Storage
Storing Leftovers
To keep the Italian Grandma’s Lemon Custard Cake – Classic Recipe at its best, cover any leftovers tightly with plastic wrap and store them in the refrigerator. The cake will stay delightfully fresh and flavorful for up to three days without losing its signature creaminess.
Freezing
You can absolutely freeze this cake! For best results, slice it first, wrap individual portions tightly in plastic and then in foil, and place them in a zip-top freezer bag. When you’re ready for a slice of lemony heaven, let it thaw overnight in the fridge.
Reheating
Lemon custard cake is delicious chilled, but if you prefer it at room temperature, set your slice out for about 30 minutes before serving. Avoid reheating in the microwave, as it can make the custard separate — let it gently come to temperature for the perfect creamy bite.
FAQs
What makes Italian Grandma’s Lemon Custard Cake – Classic Recipe different from other lemon cakes?
It’s all about the pillowy custard and the buttery shortcrust. Unlike regular sponge cakes, this recipe delivers silky, tangy custard baked right in, resting on a base that holds its texture and flavor — a genuine taste of Italian home baking.
Can I use bottled lemon juice instead of fresh?
Nothing comes close to fresh lemon juice for this cake. Bottled juice won’t give you the same vibrant flavor or that irresistible aroma. If you want true Grandma-level results, squeeze those lemons yourself!
Can this be made gluten-free?
Absolutely! Try using a 1:1 gluten-free all-purpose flour blend for the crust. The custard is naturally gluten-free, so it’s a simple swap that still delivers all the classic flavors.
Do I need special baking equipment?
Nope, just basic kitchen essentials — a mixing bowl, pastry cutter (or your trusty fingers), saucepan, and your favorite tart or cake pan. No stand mixer or fancy tools necessary for Italian Grandma’s Lemon Custard Cake – Classic Recipe.
How do I know when the custard is set during baking?
The edges should be just firm and the center should still have a little wobble when gently shaken. It will continue to set as it cools, so don’t wait for it to get completely firm in the oven or you’ll risk overbaking.
Final Thoughts
If you’re after a dessert that feels like a warm hug from Nonna herself, this Italian Grandma’s Lemon Custard Cake – Classic Recipe is truly a must-bake. Each slice brings a dreamy combination of tart, sweet, and tender perfection — I can’t wait for you to share it with those you love. Give it a try and embrace a timeless classic in your very own kitchen!
PrintItalian Grandma’s Lemon Custard Cake – Classic Recipe
This Italian Grandma’s Lemon Custard Cake is a classic recipe that combines a buttery shortcrust base with a tangy and creamy lemon custard filling. It’s a delightful dessert that is perfect for any occasion.
- Prep Time: 30 minutes
- Cook Time: 45 minutes
- Total Time: 1 hour 15 minutes
- Yield: 1 9-inch cake 1x
- Category: Dessert
- Method: Baking
- Cuisine: Italian
- Diet: Vegetarian
Ingredients
For the Shortcrust Base:
- 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 Filling:
- 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, mix flour, sugar, and salt. Cut in cold butter until the mixture is crumbly. Add egg yolk and cold water, stirring until dough forms. Press into a tart pan or square cake pan and chill for 20–30 minutes.
- Pre-Bake the Crust: Preheat oven to 350°F (175°C). Prick the base with a fork and bake for 12–15 minutes until lightly golden. Let cool slightly.
- Prepare the Lemon Custard: In a saucepan, whisk sugar, cornstarch, lemon zest, and yolks. Slowly add milk while whisking. Cook over medium heat until thickened. Remove from heat and stir in lemon juice, butter, and vanilla.
- Bake the Cake: Pour custard into pre-baked crust. Bake for 25–30 minutes until just set but still slightly jiggly in the center. Cool completely before slicing.
Nutrition
- Serving Size: 1 slice (1/8 of cake)
- Calories: 320
- Sugar: 20g
- Sodium: 150mg
- Fat: 15g
- Saturated Fat: 9g
- Unsaturated Fat: 5g
- Trans Fat: 0g
- Carbohydrates: 40g
- Fiber: 1g
- Protein: 5g
- Cholesterol: 110mg
Keywords: Italian, Lemon Custard Cake, Dessert, Classic Recipe