Apple Slice

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This apple slice is made from pantry basics. With the goodness of oats, this apple crumble slice is perfect for kids' lunchboxes or a snack.

Eight pieces of apple slice on a pink plate surrounded by rolled oats and fresh apples on a bench top.

Why This Recipe Works

  • An incredibly easy recipe
  • Soft and moist with the sweetness of the apple
  • Full of the goodness of rolled oats
  • Also amazing as a warm dessert with a little yoghurt, cream or ice cream

Ingredients you will need

To make my apple slice with crumble topping you will need:

  • egg 
  • butter 
  • brown sugar 
  • vanilla extract
  • plain flour 
  •  cinnamon
  • rolled oats 
  • apple slices
The ingredients to make apple slice laid out on a bench top with text overlay.

Ingredient Notes and Substitutes

  • Egg:  Can be substituted for 1 tablespoon Chia Seeds and 2 tablespoon of water
  • Butter: Can be substituted for dairy-free margarine or coconut oil
  • Brown sugar: can be substituted with another granulated sugar: white, raw, coconut sugar
  • Plain flour: can be substituted with wholemeal flour or gluten-free flour
  • Rolled oats: Traditional rolled or quick cook oats can be used, this recipe does not work with steel-cut oats.
  • Apple: I tend to use canned apple slices in this recipe, but you could absolutely cook your own apple if you prefer.

I am an ambassador for Countdown supermarket, they support my blog by providing ingredients for recipe creation and testing. I used canned apple slices and cinnamon from their range in this recipe.


Step-by-step instructions

Below are illustrated step-by-step instructions to make my Apple Slice Recipe, if you prefer just the written instructions then head straight to the printable recipe card below.

Prep: Preheat your oven to 180 degrees Celsius (350 F)

If you are making the egg-free version of this recipe, start by soaking the chia seeds in the water in a small bowl. Set them aside for 10 minutes or so. If you are going to make this recipe with an egg then you can skip this step

Step one: Whisk together the brown sugar, melted butter, vanilla extract and either the egg or soaked chia seeds.

Melted butter, brown sugar and an egg in a large glass mixing bowl.
A caramel coloured mixture in a large mixing bowl with a whisk.

Step two: Add the flour, cinnamon and rolled oats, and combine well (I swap to a wooden spoon at this stage).

A large glass mixing bowl containing an oat based slice mixture.

Step three: Press two-thirds of the mix into a lined slice tin (I use a 20 x 20 cm tin, a cake tin will also work if you don't have a slice tin.

An oat based slice mixture pressed into the bottom of a lined slice tin.

Step four: Lay the apple slices on top of the base

Step five: Spoon the remaining oat mixture on top of the apples, press down with a spatula (it doesn't matter if there are gaps).

Apple slices topped with an oat crumble topping in a lined slice tin.

Step six: Bake at 180 degrees Celsius (350 F) for 20-25 minutes or until the edges are golden and start to come away from the edge of the tin

Apple slice in a cake tin on a cooling rack.

Step seven: Allow to cool before slicing into 12 pieces

Enjoy!


Twelve pices of apple slice on a sheet of brown parchment paper on a bench top scattered with rolled oats and apples.

Top Tips

Here is how you can make this apple slice recipe perfectly every time!

  • Ensure you bake in a moderate oven ie 180 degrees celsius not a hot oven, as the apple slices can catch and burn more quickly than the oat mix in a hot oven.
  • You can alter the texture of the apple slice by changing the ratio of flour to oats. If you would prefer a softer slice for younger children you can increase the flour to 1 cup and decrease the rolled oats to 1 cup.

FAQs

How to store apple slice?

This recipe can be stored in an airtight container for 3 days, the apple slice also freezes well for up to four months.

A piece of a apple crumble slice being held above a tray of apple crumble bars.

Other slice recipes you will love

A piece of apple oat slice sitting on a round wooden board.

If you made my Apple Slice Recipe  or any other recipes on the blog please :

  • leave me a comment and a star rating below to let me know how you got on, I love hearing from you.
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Eight pieces of apple slice on a pink plate surrounded by rolled oats and fresh apples on a bench top.

Apple Slice

This apple slice is made from pantry basics. With the goodness of oats, this apple crumble slice is perfect for kids' lunchboxes or a snack.
Print Pin Rate
Course: Baking
Cuisine: New Zealand
Keyword: Apple Slice, Apple Crumble Slice, Apple Crumble Bars
Servings: 12 Squares
Calories: 136kcal

RATE THIS RECIPE

5 from 4 votes

Ingredients

  • 1 egg Can be substituted for 1 tablespoon Chia Seeds and 2 tablespoon of water
  • 125 grams butter Can be substituted for dairy free margarine
  • 100 grams brown sugar ½ cup. The brown sugar can be substituted with another granulated sugar: white, raw, coconut
  • 1 teaspoon vanilla 5ml
  • 1 cup flour 125g. The flour can be substituted for gluten free flour
  • 2 teaspoons cinnamon
  • 135 grams rolled oats 1 ½ cups. Recipe works with traditional rolled oats or quick cook oats it does not work with steel cut oats.
  • 200 grams apple slices (canned)

Instructions

  • If you are making the egg-free version of this recipe, start by soaking the chia seeds in the water in a small bowl, leave them aside for 10 minutes or so. If you are going to make this recipe with an egg then you can skip this step
  • Whisk together the brown sugar, melted butter, vanilla extract and either the egg or soaked chia seeds.
  • Add the flour, cinnamon and rolled oats, and combine well (I swap to a wooden spoon at this stage).
  • Press two-thirds of the mix into a lined slice tin (I use a 20 x 20 cm tin, a cake tin will also work if you don't have a slice tin.
  • Lay the cooked apple slices on top of the base
  • Spoon the remaining oat mix on top of the apples, press down with a spatula (it doesn't matter if there are gaps)
  • Bake at 180 degrees Celsius (350 F) for 20-25 minutes or until the edges are golden and start to come away from the edge of the tin
  • Allow to cool
  • Slice into 12 pieces

Notes

If you would prefer a softer slice for younger children you can increase the flour to 1 cup and decrease the rolled oats to 1 cup.
If you prefer a crunchier slice you can cook this slice a little longer and it will become crispier.
Store in an airtight container for 2 days, if you want it to last longer pop it in the fridge or freezer. 
Substitutions
  • Butter: The butter can be substituted for a dairy-free margarine
  • Egg:  Can be substituted for 1 tablespoon Chia Seeds and 2 tablespoon of water
  • Butter: Can be substituted for dairy-free margarine or coconut oil
  • Brown sugar: can be substituted with another granulated sugar: white, raw, coconut sugar
  • Plain flour: can be substituted with wholemeal flour or gluten-free flour
  • Rolled oats: Traditional rolled or quick cook oats can be used, this recipe does not work with steel-cut oats.
  • Apple: I tend to use canned apple slices in this recipe, but you could absolutely cook your own apple if you prefer.

Nutrition

Serving: 1square | Calories: 136kcal | Carbohydrates: 27g | Protein: 3g | Fat: 2g | Saturated Fat: 0.5g | Polyunsaturated Fat: 0.4g | Monounsaturated Fat: 0.5g | Trans Fat: 0.002g | Cholesterol: 15mg | Sodium: 20mg | Potassium: 105mg | Fiber: 2g | Sugar: 11g | Vitamin A: 46IU | Vitamin C: 2mg | Calcium: 34mg | Iron: 1mg

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2 Comments

  1. 5 stars
    I loved making these, super easy recipe. I substituted the apples for pears as I had loads in the fruit bowl. They taste amazing. My first time using chia seeds too!
    No kids at home these days but I’m going to use the recipes anyway. Small changes to better health is my plan. I love baking but need to try more healthy options. Thank you so much for sharing.