- 1 cup (125g) all-purpose flour (or 1:1 GF blend)
- ¼ cup (30g) powdered sugar
- ½ cup (1 stick / 115g) cold unsalted butter, cubed
For the Vanilla Custard Filling:
- 3 large eggs
- ¾ cup (150g) granulated sugar
- 2 tbsp all-purpose flour (or cornstarch for GF)
- ½ cup (120ml) whole milk
- 2 tbsp unsalted butter, melted
- 2 tsp pure vanilla extract
- Pinch of salt
For Finishing:
- Powdered sugar, for dusting
💡 Pro Tips:
- Press crust firmly—prevents crumbling when cut.
- Don’t overbake custard—edges should be set, center slightly jiggly.
- Cool completely before slicing—custard firms as it chills.
Step-by-Step Instructions (Buttery, Silky, Foolproof)
1. Make the Crust
- Preheat oven to 350°F (175°C). Line an 8x8 pan with parchment paper.
- In a food processor or bowl, mix flour, powdered sugar, and cold butter until crumbly.
- Press mixture firmly into bottom of pan.
- Bake 15–18 minutes until lightly golden. Cool slightly.
2. Make the Custard
- In a bowl, whisk eggs and sugar until pale.
- Whisk in flour, milk, melted butter, vanilla, and salt until smooth.
3. Assemble & Bake
- Pour custard over warm crust.
- Bake 20–25 minutes, until edges are set and center is just slightly wobbly.
- Cool completely in pan on a wire rack (about 2 hours).
4. Serve
- Lift out using parchment; dust with powdered sugar.
- Cut into 16 squares.
Serving Suggestions
- ☕ Classic pairing: Hot coffee, chai, or Earl Grey tea
- 🍓 Fresh twist: Top with berries or a dollop of whipped cream
- 🎁 Gift idea: Pack in a box with parchment between layers
Make-Ahead & Storage Tips
- Fridge: Keeps in airtight container up to 5 days.
- Freeze: Freeze undusted squares up to 2 months. Thaw and dust before serving.
- Prep ahead: Make crust dough; refrigerate up to 2 days.
Frequently Asked Questions
Q: Gluten-free?
A: Yes! Use 1:1 GF flour for crust and cornstarch in custard.
A: Yes! Use 1:1 GF flour for crust and cornstarch in custard.
Q: No vanilla extract?
A: Use seeds from 1 vanilla bean or 1 tsp vanilla paste.
A: Use seeds from 1 vanilla bean or 1 tsp vanilla paste.
Q: Runny custard?
A: Likely underbaked or sliced too soon—cool completely!
A: Likely underbaked or sliced too soon—cool completely!
Q: Can I add lemon?
A: Absolutely! Add 1 tbsp lemon zest + 1 tbsp juice for a citrus twist.
A: Absolutely! Add 1 tbsp lemon zest + 1 tbsp juice for a citrus twist.
❤️ The Heart of the Square
These aren’t just dessert—they’re a taste of quiet elegance. They capture the simplicity of farmhouse baking and the luxury of café patisserie in one humble square.
So press that crust, pour that custard, and bake with care. Because the best treats aren’t complicated—they’re buttery, creamy, and made with love.
“Good squares don’t need a recipe—they just need vanilla, butter, and someone hungry.” 🧈✨