There are few things that evoke a sense of home, warmth, and nostalgia quite like a slice of cake made from the hands of a loving grandmother. Italian Grandma’s Lemon Custard Cake is a perfect embodiment of this sentiment, offering a blend of creamy custard and zesty lemon flavors that transport you straight to an Italian kitchen bustling with love and laughter. This cake is not just a dessert; it’s a slice of heritage, a cherished family recipe that represents the essence of Italian cooking: simplicity, flavor, and warmth.
In this article, we’ll delve deep into what makes this cake special, from its simple yet effective ingredients and approachable methods to tips and variations that make your cooking adventure delightful. Whether you’re looking to impress your family or treat yourself, this guide equips you to create unforgettable Italian Grandma’s Lemon Custard Cake.
The Magic Behind the Recipe
Italian Grandma’s Lemon Custard Cake is a wonderful combination of sponge cake, homemade lemon custard, and a light dusting of powdered sugar. Its layering of textures airy sponge and rich, creamy lemon custard creates compelling charm and emotional connection, embracing family traditions and cherished memories.
Ingredients Breakdown
Explore the key ingredients and their roles in this delightful dessert.
Sponge Cake
- All-Purpose Flour: Provides structure, softness, and airiness.
- Eggs: Add moisture, richness, and binding.
- Sugar: Sweetens and enhances texture.
- Baking Powder: Leavens for fluffiness.
- Salt: Balances and enhances flavors.
Lemon Custard
- Milk: Base providing creaminess and richness.
- Egg Yolks: Texture and richness.
- Granulated Sugar: Sweetens and thickens.
- Lemon Juice & Zest: Bright, zesty flavor highlight.
- Cornstarch: Thickens custard to smooth silkiness.
Step-by-Step Method
Step 1: Prepare the Lemon Custard
- Heat 2 cups of milk over medium heat until simmering; remove from heat.
- Whisk 4 egg yolks, 3/4 cup sugar, 1/4 cup cornstarch, and 1 tbsp lemon zest until smooth.
- Whisk in warm milk gradually, return to heat, stir 5-7 minutes until thick.
- Remove, stir in 1/2 cup lemon juice, cool.
Step 2: Make the Sponge Cake
- Preheat oven to 350°F (175°C). Grease and flour 9-inch pan.
- Beat 4 eggs and 1 cup sugar till fluffy.
- Gradually add 1 cup flour, 1 tsp baking powder, 1/2 tsp salt, mix well.
- Bake 25-30 mins until toothpick clean. Cool.
Step 3: Assemble the Cake
- Slice sponge horizontally when cooled.
- Layer lemon custard between sponge halves and on top.
- Dust with powdered sugar before serving.
Tips for Perfecting Your Cake
- Use fresh lemons for zest and juice for vibrant flavor.
- Mix cake batter gently to avoid density.
- Cool custard fully before applying on sponge.
- Chill assembled cake for at least an hour for best flavor.
Variations and Swaps
- Switch lemon for lime or orange juice/zest.
- Add fresh basil or rosemary for herbal flavor.
- Use gluten-free flour blend for dietary needs.
Storage and Reheating
Storage: Refrigerate covered up to 3 days.
Reheating: Best served chilled; microwave 10-15 seconds if preferred warm.
Nutrition Insights
| Nutritional Information (per slice) | |
|---|---|
| Calories | 320 |
| Protein | 6 g |
| Carbohydrates | 48 g |
| Sugars | 20 g |
| Fats | 12 g |
| Fiber | 1 g |
FAQs
Can I make this cake ahead? Yes, prepare and refrigerate, decorate before serving.
How to zest lemon correctly? Use a microplane; avoid white pith.
Store-bought custard instead? Homemade offers the best texture and flavor.
How to check cake doneness? Toothpick clean or with moist crumbs.
Freezing option? Freeze sponge layers separately, thaw before assembling.
Final Thoughts
Italian Grandma’s Lemon Custard Cake is a simple, timeless dessert that balances creamy custard and fluffy sponge perfectly. It’s perfect for family gatherings and creating sweet memories.
Gather your ingredients, have fun baking, and share this recipe with loved ones!
For more delights, explore Pumpkin Bars, Lasagna Soup, and Apple Crisp.

Italian Grandma’s Lemon Custard Cake
Ingredients
For the Sponge Cake
- 1 cup All-Purpose Flour Provides structure and texture.
- 4 large Eggs Crucial for moisture and binding.
- 1 cup Granulated Sugar Sweetens the cake.
- 1 teaspoon Baking Powder Leavening agent for fluffiness.
- 1/2 teaspoon Salt Balances sweetness.
For the Lemon Custard
- 2 cups Milk Forms the base of the custard.
- 4 large Egg Yolks Adds texture and richness.
- 3/4 cup Granulated Sugar Sweetens the custard.
- 1/4 cup Cornstarch Thickens the custard.
- 1/2 cup Lemon Juice Infuses bright flavor.
- 1 tablespoon Lemon Zest Enhances lemon flavor.
For Assembly
- Powdered Sugar Dust for serving Adds a finishing touch.
Instructions
Prepare the Lemon Custard
- In a medium saucepan, heat 2 cups of milk over medium heat until just simmering. Remove from heat.
- In a bowl, whisk together 4 egg yolks, 3/4 cup granulated sugar, 1/4 cup cornstarch, and 1 tablespoon lemon zest until smooth.
- Gradually whisk in the heated milk until combined. Return to the saucepan over medium heat, and continuously stir until thick, about 5-7 minutes.
- Remove from heat, stir in 1/2 cup lemon juice, and allow it to cool.
Make the Sponge Cake
- Preheat your oven to 350°F (175°C). Grease and flour a 9-inch round cake pan.
- In a large mixing bowl, beat 4 eggs and 1 cup granulated sugar until light and fluffy (about 5 minutes).
- Gradually add 1 cup of flour, 1 teaspoon baking powder, and 1/2 teaspoon salt. Mix until well combined.
- Pour the batter into the prepared pan and bake for 25-30 minutes, or until a toothpick comes out clean. Allow cooling.
Assemble the Cake
- Once the sponge cake is cooled, cut it in half horizontally.
- Spoon a generous layer of the lemon custard between the two layers of cake, then spread the remaining custard on top.
- Dust with powdered sugar before serving.













