Name: Passionfruit Slice Recipe
Prep time: 15 min
Cook time: 40 min
Total time: PT-492765H4M16S
Cuisine: Australian
Ingredients: 170 g unsalted butter, melted (¾ cup / 6oz); ¾ cup desiccated coconut (65g / 2.3oz); ½ cup caster sugar (100g / 3 ½oz); 195 g plain flour (all purpose flour) (~7oz); 1 tin sweetened condensed milk (395g / 14oz); ¼ cup fresh lemon juice (60ml); ¼ cup strained passionfruit pulp (60ml); ½ cup strained passionfruit pulp (125ml); 1 ½ teaspoons powdered gelatine; ¼ cup caster sugar (50g / 1.8oz); ¼ cup cold water (60ml); 1 teaspoon passionfruit seeds, optional

Jump to Recipe· 3.8 from 8 reviews

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If you’re searching for a delightful treat that perfectly balances tartness and sweetness with a tropical twist, this Passionfruit Slice Recipe is exactly what you need. With a buttery coconut shortbread base, a creamy, zesty filling, and a glossy passionfruit topping that sets like a dream, every bite sings with fresh, vibrant flavor. It’s a classic crowd-pleaser that never fails to impress and is surprisingly easy to make, making it a favorite for sharing with friends and family.

Ingredients You’ll Need

A baking tray lined with parchment paper sits on a white marbled surface. On the tray, there is a clear glass bowl filled with a white powdery ingredient (flour) at the top right, next to a whole bright yellow lemon on the right side. Below the lemon is a soft light yellow stick of butter. Near the bottom center is a small clear bowl with a fine beige powder. To the left, there is a small glass container holding a golden syrup, and just above it is another small glass container with a slightly lighter yellow syrup with visible seeds or small bits. In the middle is a clear bowl filled with coarse white granulated sugar; above it and to the left is another clear bowl with white shredded coconut. Two halves of a passion fruit with bright orange flesh and many black seeds are placed at the top left. At the top left corner of the tray is a small metal cup filled with sweetened condensed milk. The arrangement is neat, the colors mostly white, yellow, and orange, all presented on a white marbled background. photo taken with an iphone --ar 4:5 --v 7

This Passionfruit Slice Recipe calls for simple, wholesome ingredients that work together to create a spectacular blend of textures and flavors. Each component plays a vital role, from the buttery shortbread base to the tangy passionfruit topping, making this slice irresistibly delicious and beautifully layered.

170 g unsalted butter, melted: Essential for that rich, tender shortbread base that holds everything together.
¾ cup desiccated coconut (65g): Adds a subtle tropical chewiness and aroma to the base.
½ cup caster sugar (100g): Sweetens the base just enough without overpowering.
195 g plain flour (~7oz): Gives structure to the base and keeps the slice firm.
1 tin sweetened condensed milk (395g): Creates the luscious, creamy filling with the perfect sweetness.
¼ cup fresh lemon juice (60ml): Brightens the filling with a fresh citrus zing that complements the passionfruit.
¼ cup strained passionfruit pulp (60ml): Infuses the filling with natural passionfruit flavor.
½ cup strained passionfruit pulp (125ml): Used for the topping to deliver that intense, tangy passionfruit taste.
1 ½ teaspoons powdered gelatine: Helps the topping set perfectly with a smooth, jelly-like texture.
¼ cup caster sugar (50g): Sweetens the topping just enough to balance the tartness.
¼ cup cold water (60ml): Used to dissolve the gelatine and blend the topping smoothly.
1 teaspoon passionfruit seeds, optional: Adds a little crunch and authentic texture to the topping.

How to Make Passionfruit Slice Recipe

Step 1: Prepare the Shortbread Base

Start by preheating your oven to 180°C (350°F) or 160°C for fan-forced ovens, and line an 8-inch square baking tin with baking paper to prevent sticking. In a large bowl, combine the plain flour, desiccated coconut, caster sugar, and melted butter. Mix everything until well combined and press the mixture firmly into the base of your prepared pan. This buttery, slightly crumbly base is crucial as it provides that wonderful texture contrast to the creamy layers above. Bake it for 25 minutes until it’s golden and fragrant.

Step 2: Create and Bake the Filling

While the base is baking, whisk together the sweetened condensed milk, fresh lemon juice, and ¼ cup of strained passionfruit pulp in a separate bowl. This mixture creates a creamy, tangy filling that perfectly complements the richness of the base. Once the base has parbaked, pour this luscious filling evenly over it, then return the tin to the oven for another 15 minutes, or until the filling is set and firm. After baking, allow it to cool for 10 minutes before adding the topping.

Step 3: Prepare the Passionfruit Topping

For the beautiful passionfruit glaze, place the remaining ½ cup of strained passionfruit pulp in a small saucepan and sprinkle the powdered gelatine evenly over its surface. Let it sit for about 5 minutes so the gelatine can soften properly. Gently heat the mixture over low heat, stirring until the gelatine has fully dissolved — be careful not to let it boil, as you just want it warm enough to melt the sugar and gelatine. Add the ¼ cup caster sugar and stir until completely dissolved, then pour in the cold water and stir again. For an extra touch of authenticity and crunch, stir in a teaspoon of passionfruit seeds if you like. Carefully pour this glossy topping over the cooled slice and refrigerate it for at least 2 hours to set completely.

How to Serve Passionfruit Slice Recipe

The image shows several square dessert bars arranged on a white marbled surface. Each bar has three layers: the bottom layer is a light beige crumbly crust, the middle layer is a smooth creamy off-white filling, and the top layer is a shiny bright yellow jelly with small black seeds scattered evenly inside. The bars are cut cleanly with sharp edges, and one bar is stacked slightly leaning on another. The bright yellow jelly layer contrasts with the creamy middle and crumbly base, making the dessert visually appealing. photo taken with an iphone --ar 4:5 --v 7

Garnishes

Serving this Passionfruit Slice Recipe is practically a celebration on its own, but if you want to fancy it up, fresh passionfruit seeds scattered lightly on top add a delightful pop of texture and a burst of fresh fruitiness. You can also sprinkle some toasted coconut crumbs over the topping for an extra tropical crunch and an appealing visual contrast.

Side Dishes

This slice shines perfectly as a solo dessert, but pairing it with a scoop of creamy vanilla ice cream or a dollop of lightly whipped cream brings a luscious richness that balances the lively passionfruit zing. For a fresh, fruity complement, serve alongside sliced mango or a handful of juicy berries.

Creative Ways to Present

If you’re aiming to impress guests, consider cutting the slice into bite-sized squares and presenting them on a wooden platter scattered with edible flowers or mint leaves. Another fun idea is layering a few small pieces in clear glasses with whipped cream and fresh passionfruit pulp for a trendy parfait-style dessert that highlights the luscious layers beautifully.

Make Ahead and Storage

Storing Leftovers

This slice keeps well in the refrigerator, stored in an airtight container. It tastes even better after a day as the flavors meld beautifully together. Make sure to keep it chilled to preserve the smooth texture of the passionfruit topping and the firmness of the filling.

Freezing

Though tempting to freeze, this Passionfruit Slice Recipe is best enjoyed fresh or refrigerated. Freezing can alter the delicate textures of the creamy filling and gelatin topping, so if you must freeze leftovers, wrap tightly and thaw slowly in the refrigerator for best results.

Reheating

This slice is typically served chilled and isn’t designed for reheating. Stick to serving it cold to enjoy the perfect balance of tangy passionfruit and rich creaminess, which reheating would disrupt.

FAQs

Can I use frozen passionfruit pulp for this recipe?

Yes, frozen passionfruit pulp works well. Just thaw it completely and strain any excess liquid if needed to avoid making the slice too watery.

Is there a substitute for powdered gelatine in this recipe?

You can use agar-agar as a vegetarian alternative, but be mindful that it sets differently and may require adjustments to quantities and preparation methods.

How long does the slice keep in the fridge?

It stays fresh for about 3 to 4 days when stored properly in an airtight container, making it a great make-ahead dessert.

Can I make this slice gluten-free?

Absolutely! Replace the plain flour with a gluten-free all-purpose flour blend with xanthan gum for a similar texture in the shortbread base.

Do I have to use fresh lemon juice?

Fresh lemon juice is recommended for its bright, natural acidity, but bottled lemon juice can work in a pinch. Just use sparingly as bottled versions can be more concentrated.

Final Thoughts

This Passionfruit Slice Recipe is an absolute gem to add to your dessert repertoire. Its vibrant flavors, luscious texture, and impressive layers come together to create something truly special. Whether you’re baking for a casual afternoon tea or a festive gathering, I promise this slice will delight your taste buds and invite lots of compliments. Give it a try, and soon it might just become one of your favorite go-to treats!

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Passionfruit Slice Recipe

Ingredients You’ll Need