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Home » Recipes » Slices

Florentine Slice

Published: Jun 10, 2021 · Modified: Aug 4, 2025 by Libby Hakim · 4 Comments

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Dried fruits, nuts and dark chocolate... it really is an irresistible combination and this Florentine Slice is something you can put together in a jiffy.

While Florentine Biscuits are known and loved throughout the world, the slice adaptation is a fun and simple way to get your Florentine fix.

Jump to:
  • Florentine Slice: not from Florence
  • Tips for making Florentine Slice
  • The original recipe
  • More slice recipes
  • Florentine Slice Recipe

Florentine Slice: not from Florence

So the name of the biscuit and slice would have you thinking that they originated in the gorgeous Italian city of Florence. But, no. That's not the case according to most sources.

Instead, most historians suggest that they originated in France.

Wherever they were first baked up, many will be glad that the recipe – in various forms – has made its way around the world!

This particular recipe for Florentine Slice comes from a community cookbook that I found in my mum's collection. The cookbook was published in an effort to raise funds for a hospital in Dubbo, NSW Australia. A long way from Florence and France.

Tips for making Florentine Slice

The slice starts with the rich dark chocolate layer. Grease and line a slice tin and then pour the melted chocolate into the tin and place into the fridge to set.

Next, measure out the remaining ingredients and mix together the remaining ingredients while the chocolate layer sets.

Then pour the mixture onto the chocolate layer in slice tin. Using the back of a metal spoon, even out the mixture and press into the chocolate layer. Finally, wet your hands and use your hands to push the mixture quite firmly into the tin.

Now, the final step. Bake in a pre-heated moderate oven for 15 minutes. Allow to cool and then cut into squares or bars.

florentine slice on bench

Sit down with a cuppa, take a bite and... enjoy the wonderful flavours of this Florentine Slice.

The original recipe

I've haven't changed the ingredient list at all but I have clarified the instructions and tweaked the cooking time, so please keep scrolling past the original recipe to find the recipe card.

Lourdes Hospital Recipe Book 2nd edition

More slice recipes

If you love this slice, check out these other slice recipes:

  • Muesli Slice.
    Muesli Slice
  • Fijian Coconut Pie.
    Fijian Coconut Pie
  • Old fashioned lemon slice.
    Old Fashioned Lemon Slice
  • Passionfruit Slice square on plate.
    Passionfruit Slice

Made this recipe and love it? Please take a moment to rate the recipe and leave a comment below. It’s such a help to others who want to try the recipe. (And it really makes my day to hear how Nana Ling's recipes are being made, shared and loved all around the world! - Libby x)

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florentine slice arranged in two stacks

Florentine Slice Recipe

Libby Hakim
The slice version of the perennially popular Florentine Biscuits.
4.75 from 8 votes
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Prep Time 10 minutes mins
Cook Time 15 minutes mins
Total Time 25 minutes mins
Course Dessert
Cuisine Australian
Servings 24 squares
Calories 136 kcal

Ingredients
  

  • 200 grams dark chocolate
  • 4 cups cornflakes
  • ½ cup unsalted peanuts
  • ½ cup glace cherries (60 grams)
  • ¾ cup sultanas (110 grams)
  • ⅔ cup condensed milk

Instructions
 

  • Pre-heat oven to moderate (180 degrees celsius / 360 degrees fahrenheit, fan-forced).
  • Grease a slice tin (approx 28 x 18cm) and line with baking paper, allowing the baking paper to overhang each side (to assist with removal once it's ready to slice).
  • Melt dark chocolate (by chopping, placing in a heatproof bowl and microwaving for 30 seconds at a time, stirring after each time).
  • Pour chocolate into the slice tin and place into fridge to set.
  • Place remaining ingredients in a mixing bowl and stir to combine.
  • Pour mixture onto chocolate layer in slice tin. Use the back of a metal spoon to even out the mixture and press into the chocolate layer. Wet hands and use your hands to push the mixture quite firmly into the tin.
  • Bake in a moderate oven for 15 minutes.
  • Remove from oven and allow to cool completely.
  • Lift the slice from the tray using the baking paper edges and cut into 24 squares using a sharp knife.

Notes

Storing: Store this slice in an airtight container at room temperature for up to 7 days.
Freezing: You can also freeze it – wrap well and place in an airtight container before freezing for up to 2 months.
Nutrition: The nutrition information is an automatically generated estimate and is not guaranteed to be accurate.

Nutrition

Calories: 136kcalCarbohydrates: 19gProtein: 3gFat: 6gSaturated Fat: 3gPolyunsaturated Fat: 1gMonounsaturated Fat: 2gTrans Fat: 1gCholesterol: 3mgSodium: 47mgPotassium: 153mgFiber: 2gSugar: 12gVitamin A: 109IUVitamin C: 1mgCalcium: 35mgIron: 3mg
Tried this recipe?If you love it, let me know!

More Slice Recipes

  • Black Forest Cheesecake Slice.
    Black Forest Cheesecake Slice
  • Chocolate Macadamia Brownies in squares on wooden serving board.
    Chocolate Macadamia Brownies
  • Banana Slice.
    Banana Slice
  • Fruit Salad Slice square.
    Fruit Salad Slice
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Comments

  1. Davie says

    August 04, 2025 at 1:14 am

    moderate oven? what tempywould that be,sorry I'm new to baking

    Reply
    • Libby Hakim says

      August 04, 2025 at 7:01 pm

      Hi! Sorry about that. I've now updated to clarify - Pre-heat oven to moderate (180 degrees celsius / 360 degrees fahrenheit, fan-forced). Thanks and happy baking!

      Reply
  2. Rene Smith says

    May 07, 2025 at 10:10 am

    5 stars
    I LOVE this recipe!!! It’s my favourite quick fix for dessert and I’ve shared this recipe with many others! A keeper!!!

    Reply
    • Libby Hakim says

      May 07, 2025 at 10:38 am

      Awesome! One of my mum's favourites, too. Thanks so much for your review and rating, Rene. Happy cooking!

      Reply
4.75 from 8 votes (7 ratings without comment)

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Hi, I'm Libby, a recipe collector and writer. I love everything about home cooking and share modern classics and recipes that have been passed down for generations – I hope you find a few that bring back treasured memories.

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