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Vanilla Custard Cream Squares

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Vanilla Custard Cream Squares are the kind of dessert that feels instantly familiar, even if you have never made them before. With a buttery shortbread base, a soft and velvety vanilla custard center, and a light snowfall of powdered sugar on top, these squares strike the perfect balance between simple and special. Each bite melts gently on the tongue, delivering comfort without heaviness and sweetness without excess.

These Vanilla Custard Cream Squares come from a long tradition of no-frills baking, where pantry staples and straightforward methods created desserts meant to be shared. They are ideal for casual afternoons, holiday trays, or quiet evenings when you want something homemade but not complicated. Because the recipe uses just one pan and minimal equipment, it feels approachable even on busy days.

I first came across a version of these squares in an old handwritten recipe box, tucked between stained index cards and fading notes. The instructions were brief, almost casual, as if the baker assumed everyone already knew how comforting the result would be. When I finally made them myself, the kitchen filled with a gentle vanilla aroma, and the finished squares tasted exactly like those cozy memories suggested. Since then, this recipe has become a favorite whenever I want something timeless and reassuring.

A classic dessert with a buttery shortbread base and smooth vanilla custard filling.
Course: Dessert
Cuisine: American
Calories: 260

Ingredients
  

  • 1.5 cups all-purpose flour
  • 0.33 cup powdered sugar
  • 0.5 cup unsalted butter, softened
  • 1 pinch salt
  • 2 cups milk
  • 0.5 cup granulated sugar
  • 3 tbsp cornstarch
  • 2 tsp vanilla extract

Equipment

  • 8x8 baking pan
  • saucepan
  • whisk

Method
 

  1. Preheat oven to 350°F and line an 8x8 pan with parchment paper.
  2. Mix flour, powdered sugar, butter, and salt. Press into pan and bake 15–18 minutes.
  3. Whisk milk, granulated sugar, cornstarch, and vanilla in a saucepan.
  4. Cook over medium heat, stirring constantly, until thickened.
  5. Pour custard over baked shortbread and smooth top.
  6. Refrigerate until fully set, then dust with powdered sugar before serving.

Nutrition

Calories: 260kcalCarbohydrates: 34gProtein: 4gFat: 12gSaturated Fat: 7gPolyunsaturated Fat: 1gMonounsaturated Fat: 3gCholesterol: 30mgSodium: 85mgPotassium: 140mgFiber: 1gSugar: 18gVitamin A: 8IUCalcium: 10mgIron: 8mg

Notes

Chill completely before slicing for best results.

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Why Vanilla Custard Cream Squares Feel So Special

A Perfect Contrast of Textures

Vanilla Custard Cream Squares work because of their contrast. The base is a tender shortbread that crumbles softly while still holding its shape. On top, the custard layer is smooth, creamy, and light, creating a gentle contrast that feels luxurious without being rich.

Because the flavors are simple, the textures take center stage. The shortbread anchors the dessert, while the custard adds softness and depth. Together, they create a square that feels balanced and satisfying.

Simple Ingredients, Reliable Results

One reason these squares have stood the test of time is their reliability. With just a handful of ingredients, each playing a clear role, the recipe produces consistent results. There are no tricky steps or delicate techniques, which makes it ideal for both new and experienced bakers.

The vanilla flavor stays front and center, supported rather than overshadowed by sweetness. That restraint is what makes these squares so easy to enjoy again and again.

Ingredients That Make the Magic Happen

The Shortbread Base

The shortbread base is made from flour, powdered sugar, butter, and a pinch of salt. This combination creates a tender, crumbly foundation that bakes up lightly golden. Using powdered sugar instead of granulated sugar keeps the texture soft and fine.

Butter provides richness and flavor, while the salt balances sweetness. When pressed into the pan and baked, the base becomes sturdy enough to support the custard without becoming dry.

The Vanilla Custard Filling

The custard layer is smooth, pale, and gently set. Made with milk, sugar, cornstarch, and vanilla, it thickens into a silky filling that slices cleanly once chilled. The vanilla adds warmth and aroma, giving the dessert its signature comfort.

Because the custard is not overly sweet, it complements the shortbread rather than overpowering it. This balance is what makes Vanilla Custard Cream Squares feel light and elegant.

How to Make Vanilla Custard Cream Squares

Preparing the Shortbread

Start by preheating the oven and lining a square baking pan. In a bowl, combine flour, powdered sugar, salt, and butter. Mix until the dough comes together with a crumbly texture.

Press the mixture evenly into the bottom of the pan, creating a smooth layer. Bake until just lightly golden. This step sets the foundation and ensures the base stays firm under the custard.

Cooking the Custard

While the shortbread bakes, prepare the custard. In a saucepan, whisk milk, sugar, cornstarch, and vanilla until smooth. Cook gently over medium heat, stirring constantly, until the mixture thickens.

Once thick, pour the custard over the warm shortbread base and smooth the top. Allow it to cool slightly, then refrigerate until fully set. Chilling is essential for clean slices and proper texture.

Finishing Touches and Serving Ideas

The Powdered Sugar Finish

A light dusting of powdered sugar completes Vanilla Custard Cream Squares. It adds visual appeal and a hint of sweetness without masking the vanilla flavor.

Dust just before serving for the freshest look. The sugar melts slightly into the surface, creating that classic, bakery-style finish.

When and How to Serve

These squares are best served chilled or at cool room temperature. They pair beautifully with tea or coffee and fit seamlessly into dessert spreads or gift boxes.

Because they slice neatly, they are ideal for sharing. Their understated appearance makes them feel refined without being flashy.

Storage and Make-Ahead Tips

Keeping Them Fresh

Store Vanilla Custard Cream Squares in an airtight container in the refrigerator. They stay fresh for up to three days and maintain their texture well.

Because the custard is delicate, keep the squares chilled until ready to serve.

Make-Ahead Convenience

This dessert is perfect for making ahead. Preparing it the day before allows the custard to fully set and the flavors to settle. In fact, many people find the texture even better after a full night in the refrigerator.

Avoid freezing, as the custard can become watery once thawed.

Frequently Asked Questions

Can I use store-bought custard?
Homemade custard gives the best texture and flavor.

Do I need a mixer?
No, a bowl and spoon are sufficient.

Can I double the recipe?
Yes, use a larger pan and adjust baking time slightly.

Is this dessert very sweet?
No, it is gently sweet and well balanced.

Can I add toppings?
Fresh berries work well, but keep additions light.

Conclusion

Vanilla Custard Cream Squares are proof that simple desserts can still feel special. With their buttery base, smooth custard filling, and classic powdered sugar finish, they deliver comfort in every bite. Easy to make, easy to share, and timeless in flavor, these squares deserve a place in every baker’s collection.

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