Oat & Milo Slice - Lunch Box Recipe (2024)

Published: by Lucy · This post may contain affiliate links · 77 Comments

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Lunch box recipes don't come any quicker or easier than this yummy Oat & Milo Slice. A simple one-bowl melt and mix recipe that takes just 5 minutes to prepare and will be ready to eat in 20 minutes!

Oat & Milo Slice - Lunch Box Recipe (1)

Who doesn't love a no-fuss and super easy recipe that tastes amazing?

This Oat & Milo Slice is all those things... and so much more!

When it comes to filling lunchboxes, the secret is to keep it simple and delicious, something the kids will love (big kids too!), such as these quick and easy recipes:

  • - these can be prepped and baked in 20 minutes!
  • Apple Crumble Muffins - apples to keep them so moist, and oats to give them crunch!
  • - quick, easy and 100% kid approved.
  • Best Homemade Muesli Bars - a most popular healthy and versatile recipe. Either use a store-bought trail mix or create your own version with favourite nuts, seeds and dried fruit.
Oat & Milo Slice - Lunch Box Recipe (2)

Why You're Going To Love This Recipe

This Milo slice is a total winner for a lunchbox addition or an after school snack, and is a simple variation on my classic ANZAC slice.

  • Budget friendly - all the ingredients required are basic baking staples with the addition of half a cup of Milo.
  • Energy booster - rolled oats are full of healthy carbs and fibre, as well as lots of trace vitamins and minerals, so they'll keep kids on the go for longer!
  • Quick & easy - melt the butter, add all the other ingredients into the one bowl, mix and bake! Prepped and baked in just 20 minutes. A great recipe for beginner bakers to experienced cooks.
  • 100% Kid approved - what's not to love about a slice that is full of chewy oats and the malted milk flavour of Milo?
  • Freezer friendly - if (and I say 'if') there's any leftovers, this slice can be frozen for up to 3 months and defrosts perfectly too.
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What You Need

Using only basic ingredients and Milo..... there's no need to make an extra trip to the supermarket!

Note: Scroll to the recipe card at the bottom for the ingredients quantities and full detailed method.

  • Plain flour - also known as all-purpose flour.
  • Self raising flour - also known as self rising flour. If you don't have self raising flour you can make your own by adding2 tsp baking powder to each cup of plain flour required, therefore add 1 tsp baking powder for this recipe.
  • Milo - is a brand of malted milk powder. If Milo is not available where you live, you can use any brand of malted milk powder.
  • Rolled oats - or you can substitute with 'quick oats' if you have these on hand.
  • Brown sugar - use either regular light brown sugar or dark brown sugar.
  • Desiccated coconut - dried and finely flaked coconut.
  • Egg - have your egg at room temperature.
  • Butter - you can use either salted or unsalted butter for this recipe.
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Step By Step Instructions

A simple Milo slice in just three easy steps!

Note: Scroll to the recipe card at the bottom for the ingredients quantities and full detailed method.

Step 1 - Melt

Preheat oven to 170 degrees celsius, and grease and line a slice tray.

In a large bowl, melt your butter in the microwave at 50% power (in 30 second bursts).

Step 2 - Mix

Place all the other ingredients into the same bowl.

Oat & Milo Slice - Lunch Box Recipe (5)

Mix together well to combine.

Oat & Milo Slice - Lunch Box Recipe (6)

Step 3 - Bake

Spread mixture evenly in your prepared slice tin and then bake for 15 minutes until lightly golden. Allow to cool before cutting.

Oat & Milo Slice - Lunch Box Recipe (7)

Expert Tips & FAQ's

Can I use 'quick oats' instead of rolled oats in Milo slice?

Yes, absolutely, 'quick oats' work perfectly well in this recipe.

What could I substitute Milo with?

Ovaltine or Horlicks are similar malted milk powders, however Milo is probably the most common malted milk used here in Australia.

Tips for cutting your Milo slice

Allow the slice to cool completely in the baking tin before cutting, as this makes it less likely to crumble than if you slice it while still warm.

How do I store Milo slice?

Milo slice is best stored at room temperaure in an airtight container for up to 1 week. This slice can also be frozen for up to 3 months.

Optional extra for chocoholics!

If you like, you could also drizzle a little melted milk chocolate over the top.

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Milo is such a staple in Australian kitchens.

Here's a few more of my most popular recipes that use Milo:

  • Milo Balls | 4 Ingredient Recipe
  • Milo Biscuits | Lunch Box Recipe
  • Milo Mousse Chocolate Slice
Oat & Milo Slice - Lunch Box Recipe (13)

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Oat & Milo Slice - Lunch Box Recipe (14)

Oat & Milo Slice

Lunch box recipes don't come any quicker or easier than this yummy Oat & Milo Slice! Simply melt, mix and bake... too simple!! This will become a family favourite in no time!

4.99 from 75 votes

Print Pin Rate

Course: Slices

Cuisine: Australian recipe, Baking

Prep Time: 5 minutes minutes

Cook Time: 15 minutes minutes

Total Time: 20 minutes minutes

Servings: 16 pieces

Calories: 304kcal

Author: Lucy - Bake Play Smile

Ingredients

  • 125 g butter melted
  • 60 g (½ cup) plain flour
  • 65 g (½ cup) self raising flour
  • 65 g (½ cup) Milo malted milk powder
  • 85 g (1 cup) rolled oats
  • 150 g (⅔ cup) brown sugar firmly packed
  • 65 g (⅔ cup) desiccated coconut
  • 1 egg room temperature

Instructions

Conventional Method

  • Preheat oven to 170 degrees celsius (fan-forced). Grease and line a 20cm x 20cm slice tin with baking paper and set aside.

  • In a large bowl, melt butter in microwave on 50% power in 2-3 30 second bursts.

  • Place all the remaining ingredients into the same bowl and mix together well.

  • Spread the mixture evenly into the prepared tin and bake for 15 minutes or until lightly golden.

  • Allow to cool before cutting into slices.

Thermomix Method

  • Preheat oven to 170 degrees celsius (fan-forced). Grease and line a 20cm x 20cm slice tin with baking paper and set aside.

  • Place the butter into the Thermomix bowl and melt for 2 minutes, 80 degrees, Speed 1 (or until melted).

  • Add all the remaining ingredients and mix for 15 seconds, Reverse, Speed 4, or until combined.

  • Spread the mixture into the prepared tin and bake for 15 minutes or until lightly golden.

  • Allow to cool in the tin before cutting into pieces.

Notes

RECIPE NOTES & TIPS

Ingredients:

  • Rolled oats - can be substituted with 'quick oats' if thats what you have on hand
  • Milo - is a malted milk powder. Ovaltine and Horlicks are similar and can be substituted in place of Milo.

Baking Tips:

  • Tips for cutting your slice - allow the slice to cool completely in the tin before cutting, this makes it less likely to crumble than if you slice whilst still warm.
  • Storing - best stored at room temperature in an airtight container for up to 1 week.
  • Freezing - This slice can also be frozen for up to 3 months.
  • Optional extra - drizzle a little melted milk chocolate over the top once baked.

Nutrition

Calories: 304kcal | Carbohydrates: 38g | Protein: 6g | Fat: 15g | Saturated Fat: 10g | Cholesterol: 29mg | Sodium: 97mg | Potassium: 195mg | Fiber: 3g | Sugar: 14g | Vitamin A: 225IU | Vitamin C: 0.3mg | Calcium: 46mg | Iron: 1.5mg

Did you try this recipe?Mention @BakePlaySmileBlog or tag #BakePlaySmile!

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Reader Interactions

Comments

  1. Heather

    Hey just wondering is the 304cal per bar based on this recipe making 16? Just thinking it is a bit high for a small square so wanted to check

    Reply

    • Lucy

      Per slice 🙂

      Reply

  2. Sally

    Oat & Milo Slice - Lunch Box Recipe (15)
    Super quick and easy so delicious will definitely make again

    Reply

  3. Paige

    Oat & Milo Slice - Lunch Box Recipe (16)
    We absolutely love this in our household. I was wondering if we can sub the brown sugar for rice malt syrup (by weight) to make it a little better for the waistline?
    We also use the reduced sugar milk because we make this nearly every week’

    Reply

    • Lucy

      Hi Paige, I haven't tried subbing the brown sugar! But I'd love to hear how it goes!

      Reply

  4. Renee

    Can this be made without the egg?

    Reply

    • Lucy

      I'd suggest using an egg substitute if need be.

      Reply

    • Oly

      Oat & Milo Slice - Lunch Box Recipe (17)
      Made these for the first time and they were a hit! My kids don’t usually eat anything I bake but they loved these. I didn’t have an egg so used 1/3 of a banana mashed and it was perfect - only a very slight banana flavour. I also reduced the brown sugar to 100g and I think that is sweet enough for our family.

      Reply

      • Lucy

        That's fantastic!!!

        Reply

  5. Lauren

    Oat & Milo Slice - Lunch Box Recipe (18)
    Absolute winner. So easy to put together! The kids love it in their lunch box, it defrosts perfectly by morning tea time, and I love taking a piece to work. We make a quick batch every weekend.
    Thank you!!

    Reply

    • Lucy

      Yay! Thank you so much!

      Reply

      • Ruth

        Oat & Milo Slice - Lunch Box Recipe (19)
        Such a go to recipe. So easy to make and tasty. I make this every week and it's great for lunch boxes and with a cup of tea.

        Reply

        • Lucy

          Yay! Thank you!

          Reply

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Oat & Milo Slice - Lunch Box Recipe (2024)

FAQs

How to pack oatmeal for lunch? ›

To keep the oatmeal warm until lunch time I do two things: first, start with it very hot, much hotter than you would serve it to the kids. Second, heat the thermos. I do this by filling it with boiling water. If you put hot oatmeal in a hot thermos, it will be perfectly warm by lunch time.

What is the secret to overnight oats? ›

Add Twice as Much Milk as Oats

Whether you prefer whole milk, rice milk or coconut milk, you can use it. Just make sure to add twice as much milk as oats. Note: You can also use whey, buttermilk or thinned yogurt for a tangier flavor.

How to eat oats for lunch? ›

Add some warm milk in your oats and top it with delicious berries, sliced apples, almonds, walnuts or seeds, etc, to make it delicious. Now your healthy bowl of the recipe is ready to be eaten. Oats Uttapam: Powder the rolled oat and make a batter (just like sooji and rice flour) for uttapam.

What type of oats for overnight oats? ›

The Best Oats for Overnight Oats: Old-fashioned oats, also known as rolled oats, become tender and creamy when soaked. Quick-cooking oats, which are smaller, can end up pasty and steel-cut oats, which are sturdier, stay quite firm even after soaking.

How to pack oats for school? ›

  1. Simply place the oats, milk, yogurt, honey and cinnamon in that order into a glass jar or stainless steel container.
  2. Leave to soak in the fridge overnight.
  3. Add fresh fruit in the morning.
  4. Grab and go to school.

Can I eat oatmeal everyday for lunch? ›

This suggests oats can be consumed every day. However, since oats are high in fiber, you may notice changes in your stool's appearance and the frequency at which you poop. Consuming an excess amount of oats may also lead to decreased nutrient absorption.

What not to mix with oatmeal? ›

High-sugar toppings like chocolate, syrup, and dried fruit

As Best points out, "some of the worst ingredients that are mistakenly added to healthy overnight oat recipes include chocolate sauce, sugar, syrup, and dried fruit."

What happens to your body when you eat overnight oats everyday? ›

A bowl of overnight oats might help to strengthen your immune system. The inclusion of beta-glucan in oats aids in increasing the activity of our body's white blood cells (WBCs), which are responsible for defending us from sickness. Because oats are high in zinc and selenium, they help fight infections.

Why are overnight oats healthier than oatmeal? ›

Resistant starch is a type of fiber that acts as a prebiotic, feeding the beneficial bacteria in the gut and supporting a healthy digestive system. Additionally, overnight oats retain more of their natural nutrients since they are not exposed to high heat during the cooking process.

Can we take oats in lunch box? ›

Or as a lunch box idea put the oats into a leakproof bento lunch box (see DEJ Kids lunch boxes) for a tasty, healthy and filling lunch box food. You can get 4 servings out of 1 cup, depending on the appetites you're feeding, but can easily double it up if you want.

Is it better to eat oatmeal for breakfast or lunch? ›

Oats are often consumed for breakfast in the form of oatmeal, but they can also be eaten for lunch, supper, or even dessert. Oats can also fill you up for lunch or dinner if you mix them with wholesome fruits and other nutrients.

Can you pack overnight oats for lunch? ›

Overnight oats are great examples for a possible lunch or dinner. Here's one of our favorites, a classic recipe. It's super simple to make and will leave you with a happy tummy. It works great either as breakfast, lunch, or dinner.

What's the difference between overnight oats and oatmeal? ›

The intensity of heat while cooking is the contributing factor, lower the heat better the nutrient availability. When you soak the oats overnight, it's almost like you're cooking them, but the process is much longer and slower, and it's done without heat. Hence, it is more nutrient rich than cooked version.

Can you use Quaker instant oatmeal for overnight oats? ›

I think so. We all know overnight oatmeal as the popular way to soak overnight old fashioned rolled oats (or instant or quick cooking steel cut oats) in milk and/or yogurt in the fridge overnight to make a no-cook, portable, high protein breakfast. All too often though, I forget to make them the night before!

What kind of milk is best for overnight oats? ›

But, anything from whole to skim milk works, or a non-dairy option like soy milk, almond milk, or another option that you prefer. Here you can see (on the right) the more soupy-liquid version is the overnight oats before they have soaked overnight.

How to pack oatmeal for work? ›

Mix equal parts old-fashioned oats (rolled oats, that is, not quick-cooking-they'll get too mushy) and water along with a pinch of salt in a jar, cover and refrigerate overnight and up to 3 days. For one serving, we recommend using: 1/2 cup oats. 1/2 cup water (or milk or nondairy milk)

How long does oatmeal in a pack last? ›

Oatmeal that's flavored with fruit or dry cream lasts 6 months on average and instant oatmeal lasts about a year. Similar to other dried foods like pasta, steel cut and rolled oats last for 1 to 2 years. And prepared oatmeal lasts for about 3 to 5 days in the fridge.

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