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    Home » Recipes » Bars Brownies & Slices

    Passionfruit Slice | Old Fashioned Recipe

    Published: Aug 10, 2020 by Lucy · This post may contain affiliate links · 73 Comments

    Jump to Recipe
    Two pieces of baked slice topped a creamy passionfruit topping on a white and blue plate.

    An old-fashioned baked passionfruit slice with a light cake base and a creamy zesty passionfruit topping. The perfect fruity morning tea slice!

    Two pieces of baked slice topped a creamy passionfruit topping on a white and blue plate.

    If there's one thing I love to bake... it's a slice!

    It doesn't matter if it's a simple no-bake slice, a cheesecake slice or a good old fashioned baked slice - as long as it's delicious, I am ALL ABOUT amazing slice recipes!

    Which brings me to this sweet, creamy, zesty and fruity passionfruit slice!

    Pieces of slice with creamy passionfruit on a white cake stand.

    Classic Old Fashioned Slice

    When you think about traditional old-fashioned slices, there's a few that come to mind... jelly slice, apple and sour cream slice, peppermint slice, caramel slice - and of course, passionfruit slice!

    If you want to bake just like your grandma... this is the recipe for you!

    Pieces of baked passionfruit slice on a white cake stand.

    What You Need

    My passionfruit slice recipe is made from basic pantry staples:

    • self-raising flour - use self-raising flour or make your own by sifting 2 teaspoons of baking powder through every 1 cup of plain (all-purpose) flour.
    • desiccated coconut - this is the fine coconut that you buy from the supermarket (not larger shredded coconut or coconut flakes).
    • caster sugar - also known as superfine sugar. This is a very fine white sugar.
    • melted butter
    • passionfruit pulp - small tins can be bought from the canned fruit aisle of the supermarket. Alternatively, you can use fresh passionfruit pulp.
    • sweetened condensed milk - use full fat sweetened condensed milk (not skim).
    • lemon juice - fresh or bottled lemon juice can be used.
    Bowls of ingredients and a can of condensed milk for Passionfruit Slice

    How To Bake The Slice

    This simple slice has two parts:

    • the cake-like base
    • the creamy passionfruit topping

    Note: please scroll to the recipe card at the bottom of the post for ingredient quantities and the full detailed method.

    To Make The Base

    Mix the self-raising flour, coconut, caster sugar and melted butter together until a dough forms.

    Melted butter and condensed milk in a white bowl.
    Crumbly sweet dough in a white mixing bowl.

    Press into a lined baking tin and bake until just golden.

    Base mixture of slice pressed into a rectangular slice tin lined with baking paper.

    To Make The Passionfruit Topping

    Mix the sweetened condensed milk, lemon juice and passionfruit together in a small bowl (it will thicken).

    Passionfruit syrup mixture in a pyrex measuring jug.
    White passionfruit mixture in a pyrex measuring jug with spoon.

    Pour over the base and cook until just set.

    Creamy passionfruit slice in a rectangular slice tin.
    Two pieces of Passionfruit Slice on a white plate with blue dots placed on a blue tea towel.

    Recipe Tips

    To form the dough - the base mixture can be quite crumbly so I recommend using your hands to mix it together.

    Pressing the mixture into the tin - use the back of a spoon or a round glass to press the mixture firmly into the baking tin.

    Baking the base - cook the base until only just lightly golden around the edges.

    Baking the slice - continue to cook the slice until the passionfruit layer has just set.

    Cutting the slice - allow the slice to completely cool in the tin before cutting into slices.

    Storing - this slice can be stored at room temperature for up to 4 days.

    Freezing - this slice is not suitable for freezing.

    A half-eaten piece of Passionfruit Slice on a white plate with blue dots.

    More Classic Slice Recipes

    For more slice recipes just like your grandma used to make, browse my collection of 15 of the most popular traditional slice recipes.

    They're all free and come with both conventional and Thermomix instructions!

    A plate of apple and sour cream slice on cover of a recipe book.
    Two pieces of baked slice topped a creamy passionfruit topping on a white and blue plate.

    Passionfruit Slice

    An old-fashioned baked passionfruit slice with a light cake base and a creamy passionfruit topping. The perfect morning tea slice!
    5 from 73 votes
    Print Pin Rate
    Course: Brownie/Slice
    Cuisine: Australian recipe, western
    Prep Time: 10 minutes minutes
    Cook Time: 25 minutes minutes
    Total Time: 35 minutes minutes
    Servings: 16 serves
    Calories: 245kcal
    Author: Lucy - Bake Play Smile

    Ingredients

    • 150 g (1 cup) self raising flour
    • 110 g (½ cup) caster sugar
    • 85 g (1 cup) desiccated coconut
    • 150 g butter melted
    • 45 g passionfruit pulp approx 3 tbs - see notes
    • 395 g sweetened condensed milk
    • 45 g lemon juice approx 3 tbs
    Prevent your screen from going dark

    Instructions

    Conventional Method

    • Preheat oven to 160 degrees celsius fan-forced. Grease and line an 18X28cm rectangular slice pan with baking paper and set aside.
    • Sift the self-raising flour into a large bowl.
    • Add the caster sugar, coconut and melted butter. Mix together until a dough forms (use your hands if it's easier).
    • Press the mixture firmly into the prepared tin and smooth the top with the back of a spoon.
    • Bake in the oven for 10-12 minutes or until lightly golden. Set aside to cool slightly.
    • Whisk the sweetened condensed milk, lemon juice and passionfruit pulp together in a bowl (it will thicken slightly).
    • Pour the mixture over the top of the cooled slice base.
    • Place back into oven for 15 minutes (or until the passionfruit layer has set when lightly touched). Leave in the pan to cool completely before cutting into slices.

    Thermomix Method

    • Preheat oven to 160 degrees celsius fan-forced. Grease and line an 18X28cm rectangular slice pan with baking paper and set aside.
    • Place the butter into the Thermomix bowl and melt on Speed 2, 90 degrees for 2 minutes.
    • Add the coconut, caster sugar and self raising flour. Knead on Interval Speed for 1 minute. Press the mixture firmly into the prepared tin and smooth the top with the back of a spoon.
    • Bake in the oven for 10-12 minutes or until lightly golden. Set aside to cool slightly.
    • Place the sweetened condensed milk, lemon juice and passionfruit pulp into the Thermomix bowl. Mix on Reverse Speed 3 for 20 seconds.
    • Pour the mixture over the top of the cooled slice base.
    • Place back into oven for 15 minutes (or until the passionfruit layer has set when lightly touched). Leave in the pan to cool completely before cutting into slices.

    Notes

    RECIPE NOTES & TIPS
    Ingredients Info:
    • self-raising flour – use self-raising flour or make your own by sifting 2 teaspoons of baking powder through every 1 cup of plain (all-purpose) flour.
    • desiccated coconut – this is the fine coconut that you buy from the supermarket (not larger shredded coconut or coconut flakes).
    • caster sugar – also known as superfine sugar. This is a very fine white sugar.
    • melted butter
    • passionfruit pulp – small tins can be bought in the canned fruit aisle.  Alternatively, you can use fresh passionfruit pulp.
    • sweetened condensed milk – use full fat sweetened condensed milk (not skim).
    • lemon juice – fresh or bottled lemon juice can be used.
    More Recipe Tips:
    To form the dough – the base mixture can be quite crumbly so I recommend using your hands to mix it together.
    Pressing the mixture into the tin – use the back of a spoon or a round glass to press the mixture firmly into the baking tin.
    Baking the base – cook the base until only just lightly golden around the edges.
    Baking the slice – continue to cook the slice until the passionfruit layer has just set.
    Cutting the slice – allow the slice to completely cool in the tin before cutting into slices.
    Storing – this slice can be stored at room temperature for up to 4 days.
    Freezing – this slice is not suitable for freezing.

    Nutrition

    Calories: 245kcal | Carbohydrates: 29g | Protein: 4g | Fat: 13g | Saturated Fat: 9g | Cholesterol: 29mg | Sodium: 101mg | Potassium: 145mg | Fiber: 1g | Sugar: 21g | Vitamin A: 336IU | Vitamin C: 3mg | Calcium: 75mg | Iron: 1mg
    Did you try this recipe?Mention @BakePlaySmileBlog or tag #BakePlaySmile!

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    Comments

    1. Dennis says

      April 13, 2025 at 1:05 pm

      5 stars
      Mine done in an airfryer which effected timing - one satisfied consumer said … just like my mother used to make. Another great recipe.

      Reply
      • Lucy says

        April 14, 2025 at 8:06 am

        Fantastic!

        Reply
    « Older Comments
    5 from 73 votes (65 ratings without comment)

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    I’m Lucy! A mum, a wife, a food blogger and a lover of all things to do with food! I love creating delicious, no-fuss Thermomix and conventional recipes the whole family will love. Classic baking favourites, lunch box snacks, quick and easy family dinners and more!

    More about me →

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