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    Home » Recipes » Banana Recipes

    Banana Slice

    Published: May 18, 2026 by Libby Hakim · Leave a Comment

    Jump to Recipe Print Recipe

    This Banana Slice Recipe is the perfect solution when you have just one, lonely, overripe banana – not quite enough banana for cake or bread!

    Banana Slice.

    Yes, this slice is basically a cake in a tin. But it's easier to bake and has extra caramelised edge pieces to savour in each bite. (And if you like the sound of cake in a slice tin, you should also check out my Texas Sheet Cake recipe.)

    Jump to:
    • Ingredient notes
    • How to make Banana Slice
    • Storage
    • More slice recipes
    • Banana Slice Recipe

    Ingredient notes

    You'll need just one very ripe banana for this recipe. The rest of the ingredients required for the slice and the icing are pictured below. The full list of ingredients and quantities are in the recipe card at the end of this post.

    Ingredients for banana slice.
    Ingredients for icing banana slice.

    How to make Banana Slice

    Start by pre-heating the oven to moderate (180 degrees celsius/355 degrees fahrenheit, fan-forced) and greasing a slice tin (27 x 17cm) and lining with baking paper.

    Sift the flour, salt, bicarb soda and baking powder into a mixing bowl. Add the sugar and stir through to combine (see image 1). Add the wet ingredients to mixing bowl and stir until combined. Pour into the prepared slice tin and smooth out the mixture to ensure it's spread evenly in the tin (see image 2). Bake for 25 minutes and then allow to cool completely in the tin.

    Before icing, remove slice from the tin using overhanging paper.

    TIP: Use a butter knife to release slice from edges of tin if necessary.

    To make the icing, add all the ingredients (apart from nutmeg) to a mixing bowl and beat with electric beaters until smooth and fluffy. Spread over completely cooled slice. Sprinkle with nutmeg and cut into 15 pieces (see image 3).

    How to make Banana Slice.

    Storage

    Store the slice in an airtight container for up to 3 days (room temperature or fridge).

    TIP: If stored in the fridge, you can enjoy it cold or allow it to reach room temperature before serving.

    You can freeze the slice, un-iced, for up to 3 months. Wrap the slice in plastic wrap well before freezing and allow it to thaw out in the fridge overnight when you're ready to enjoy.

    More slice recipes

    Browse the entire slice recipe collection or jump straight to one of these favourites:

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      Mars Bar Slice
    • Fruit Salad Slice square.
      Fruit Salad Slice
    • vanilla slice square
      Vanilla Slice
    • mixed fruit slice
      Mixed Fruit 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)

    For more fun and deliciousness in the kitchen, follow along on Facebook, TikTok and Pinterest, and subscribe for new posts via email.

    Banana Slice.

    Banana Slice Recipe

    Libby Hakim
    A lovely slice recipe that calls for just one banana.
    No ratings yet
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    Prep Time 10 minutes mins
    Cook Time 25 minutes mins
    Total Time 35 minutes mins
    Course Dessert
    Cuisine Australian, New Zealand
    Servings 15 squares
    Calories 156 kcal

    Equipment

    • slice tin (27 x 17 cm)

    Ingredients
      

    Slice

    • 1 cup SR flour (1 cup = 150 grams) (1 cup SR flour = 1 cup plain/all purpose flour + 2 teaspoons baking powder)
    • 1 pinch salt
    • ¼ teaspoon bicarb soda
    • ½ teaspoon baking powder
    • ½ teaspoon cinnamon
    • ½ teaspoon nutmeg
    • ¾ cup caster sugar (¾ cup = 160 grams)
    • 1 egg, lightly beaten
    • 60 grams butter, melted
    • ¼ cup milk (¼ cup = 62.5ml)
    • ⅓ cup mashed banana (about 1 small banana)

    Icing

    • 125 grams block cream cheese
    • 30 grams butter
    • ¾ cup icing sugar (¾ cup = 110 grams)
    • 1 tablespoon lemon juice
    • little extra nutmeg (sprinkled over icing, if desired)

    Instructions
     

    • Pre-heat oven to moderate (180 degrees celsius/355 degrees fahrenheit, fan-forced).
    • Grease the slice tin and line with baking paper, leaving excess on the sides to lift out slice once cooked.
    • Sift the flour, salt, bicarb soda and baking powder into a mixing bowl. Add the sugar and stir through to combine.
    • Add wet ingredients to mixing bowl and stir until combined.
    • Pour into prepared slice tin and smooth out mixture to ensure it's spread evenly in the tin.
    • Bake for 25 minutes.
    • Allow to cool completely in the tin.
    • Remove slice from the tin using overhanging paper. (Use a butter knife to release slice from edges of tin if necessary)

    Icing

    • Add all ingredients (apart from nutmeg) to a mixing bowl and beat with electric beaters until smooth and fluffy.
    • Spread over completely cooled slice.
    • Sprinkle with nutmeg and cut into 15 pieces (3 x 5).

    Notes

    Storing: Store the slice in an airtight container for up to 3 days (room temperature or fridge). If stored in the fridge, you can enjoy it cold or allow it to reach room temperature before serving.
    Freezing: You can freeze the slice, un-iced, for up to 3 months. Wrap the slice in plastic wrap well before freezing and allow to thaw out in the fridge overnight when you're ready to enjoy.
    Nutrition: The nutrition information is an automatically generated estimate and is not guaranteed to be accurate.

    Nutrition

    Calories: 156kcalCarbohydrates: 25gProtein: 3gFat: 6gSaturated Fat: 3gPolyunsaturated Fat: 0.3gMonounsaturated Fat: 1gTrans Fat: 0.2gCholesterol: 25mgSodium: 124mgPotassium: 77mgFiber: 0.4gSugar: 17gVitamin A: 180IUVitamin C: 1mgCalcium: 46mgIron: 0.5mg
    Tried this recipe?If you love it, let me know!

    More Banana Recipes

    • Classic Banana Split.
      Classic Banana Split
    • chocolate banana cake.
      Chocolate Banana Cake
    • banoffee pie slice
      Banoffee Pie
    • frozen chocolate bananas
      Frozen Chocolate Bananas
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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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