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Hungry Healthy Happy » Recipes » Breakfast

Breakfast Crumble

Mar 12, 2025 · Written by Dannii Martin · This post may contain affiliate links which earn us commissions if purchases are made · 1 Comment

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Diet: Gluten Free / Vegetarian
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Breakfast crumble with a text overlay title.
Breakfast crumble with a text overlay title.

Who doesn't want to have dessert for breakfast? This Breakfast crumble is sweet, fruity and has the most incredible healthy oat crumble topping. This berry oat crumble takes just a couple of minutes to make, and is made using frozen berries making it budget friendly and perfect for the winter months - it's a great source of fibre too.

A baking dish full of berry crumble next to a bowl of the crumble with some yogurt.

We are BIG fans of frozen berries. They are a much more budget friendly option, you don't have to worry about them going bad in the fridge. It's really the only option in the winter months when fresh berries have no flavor! This berry breakfast crumble is one of our favorite ways to use frozen berries.

As simple as throwing the frozen berries in a baking dish with some chia seeds (for added protein and to thicken it) and then topping it with a healthy oatmeal crumble made by mixing oats, seeds, nut butter, maple syrup and egg whites. It's so simple - then you just put it in the oven and let the fruit get soft and the crumble goes crispy.

Looking for more frozen fruit recipes? Why not try our quick Frozen Fruit Smoothie, delicious Smoothie Bowl or our super easy 5 Minute Healthy Frozen Yogurt.

Jump to:
  • Ingredients and Substitutions
  • Variations
  • How To Make Breakfast Crumble - Step by Step
  • Breakfast Crumble Serving Suggestions
  • Extra Tips
  • Frequently Asked Questions
  • More Crumble Recipes
  • Recipe
  • Feedback

Ingredients and Substitutions

All the ingredients needed to make this recipe, each with a text overlay label.

A full ingredients list, along with US Customary and Metric measurements, can be found in the recipe card at the end of this post.

  • Berries - We used frozen berries, and any type goes. We used strawberries, blueberries and raspberries. But you could use cranberries, blackberries, redcurrants or cherries. This oatmeal berry crumble is a good way to use up lots of different frozen berries left in bags in the freezer.
  • Chia seeds - Once the frozen berries start cooking, the chia seeds help to thicken the mixture up. It also gives the breakfast crumble a bit of a protein boost.
  • Oats - This is how we make our healthy crumble topping. We used rolled oats. You don't want to use quick oats/instant oats or steel cut oats.
  • Nuts/Seeds - This adds a nice crunchy texture and some protein to the crumble. We used a ground nut/seeds mix, but if you have whole then you just need to whizz them up in the food processor.
  • Nut butter - This helps to bind the crumble together and adds some protein. We used almond butter, but any will work. Go for smooth rather than crunchy. You can also use sunflower seed butter for a nut free version.
  • Maple syrup - The berries add sweetness to the base, but we wanted the crumble to have some sweetness too. You could swap it for honey or agave instead if you prefer.
  • Egg white - This is used to bind the crumble together and get some nice clumps in it. We use just the white rather than the whole egg to prevent a greasy crumble topping. You could use a little melted coconut oil.

Variations

Nuts - You could crush the nuts and mix them in to add some extra texture. Also, what looks nice on top is some flaked almonds.

Fruit - Not a fan of berries? You can make this with diced apples and pears too.

Individual - You can make single individual portions of this berry crumble with oats by dividing it between ramekins. It will need a little less time in the oven.

Protein - For a higher protein version, you can add a scoop of protein powder into the crumble mix. You will need to add a little extra nut butter to help bind it all.

How To Make Breakfast Crumble - Step by Step

Prep: Preheat your oven to 190°C/170°C(fan)/375°F/Gas 5.

A mixing bowl containing oats, ground seeds, nut butter and egg white.
  1. Step 1: In a mixing bowl, add the oats, nut/seed mix, almond butter, egg white and maple syrup.
Everything mixed together in the bowl.
  1. Step 2: Give everything a really good mix.
A baking dish containing frozen berries and chia seeds.
  1. Step 3: Add the frozen berries to an oven proof dish. Sprinkle over the chia seeds.
The crumble mixture spread over the berries.
  1. Step 4: Pour the oat mixture on top of the berries and spread out evenly.
Cooked berry crumble with a slightly blackened top.
  1. Step 5: Put into the oven for 30-35 minutes, until golden brown.

Breakfast Crumble Serving Suggestions

To keep this berry breakfast crumble light and nutritious, and to add some extra protein, we served it with Greek yogurt. Coconut yogurt adds a lovely extra flavor too.

You could add a drizzle of nut butter on top before serving or sprinkle over some chocolate chips. My kids also like a sprinkling of cinnamon on top.

Want to eat this for dessert? It goes great with ice cream or one of our Ninja Creami recipes.

A bowl of crumble and yogurt in front of a baking dish containing more crumble.

Extra Tips

  • Although the word breakfast is in the title, there is no reason why you can't enjoy this fruit crumble with oats at any time of day.
  • We haven't added any sweetener to the berries. However, if you wanted it sweeter, then you can add a little maple syrup to the berry and chia seed mixture - but we don't think it is missing it.
  • You can use fresh berries instead if you want.
  • For extra flavor you could add some vanilla extract to the crumble mixture.
A spoon lifting some berry crumble from a baking dish.

Frequently Asked Questions

How to store leftovers

This fruit crumble with oats will keep in an airtight container in the refrigerator for 3-4 days. We wouldn't recommend freezing this as it goes a bit mushy when defrosted.

Can I make it in advance?

Yes, you can and this is what we do often as it's a bit too long to cook on a busy weekday morning. I cook it whilst I am cooking dinner the night before and then leave it to cool and then put it in the fridge overnight. In the morning, I pop it in the oven whilst I am getting the kids ready for school and it will take about 10-15 minutes to heat through. You could eat it cold though.

More Crumble Recipes

  • Apple and pear crumble with a spoon scooping some filling out.
    Easy Apple and Pear Crumble
  • Apple and Cherry Crumble in a bowl with vanilla ice cream
    Apple and Cherry Crumble
  • A bowl of apple and blackberry crumble topped with custard.
    Apple and Blackberry Crumble
  • Custard being poured onto some apple and plum crumble
    Apple and Plum Crumble

If you’ve tried this berry breakfast crumble, let us know how you got on in the comments below.
Tag us in your creations on Instagram @hungryhealthyhappy - Use the hashtag #hungryhealthyhappy too.

Recipe

A bowl of breakfast crumble with yogurt and a drizzle of nut butter.

Breakfast Crumble

By: Dannii Martin
Start your day with a delicious and nutritious breakfast crumble. This sweet and fruity treat is made with healthy oat crumble and budget-friendly frozen berries.
A circular logo saying GF.
Gluten Free
An illustration of a v-shaped plant.
Vegetarian
5 from 1 vote
Pin Print Save recipe Saved!
Course: Breakfast
Cuisine: British
Prep: 5 minutes mins
Cook: 30 minutes mins
Total: 35 minutes mins
Servings: 4 servings
Calories: 372kcal
Allergens:
An illustration of a cracked egg.
Eggs
An illustration of four different nuts.
Nuts

Ingredients

  • 150 g (1.75 cups) Oats
  • 3 tablespoon Ground nuts/seeds mix
  • 3 tablespoon Maple syrup
  • 2 tablespoon Almond butter
  • 1 Egg white
  • 500 g (3.25 cups) Frozen berries - mixed
  • 1 tablespoon Chia seeds

Instructions

  • Preheat your oven to 190°C/170°C(fan)/375°F/Gas 5.
  • In a mixing bowl, add 150 g Oats, 3 tablespoon Ground nuts/seeds mix, 2 tablespoon Almond butter, 1 Egg white and 3 tablespoon Maple syrup.
  • Give everything a really good mix.
  • Add 500 g Frozen berries to an oven proof dish. Sprinkle over 1 tablespoon Chia seeds.
  • Pour the oat mixture on top of the berries and spread out evenly.
  • Put into the oven for 30-35 minutes.

Recipe Tips

  • Although the word breakfast is in the title, there is no reason why you can't enjoy this fruit crumble with oats at any time of day.
  • We haven't added any sweetener to the berries. However, if you wanted it sweeter, then you can add a little maple syrup to the berry and chia seed mixture - but we don't think it is missing it.
  • You can use fresh berries instead if you want.
  • For extra flavor you could add some vanilla extract to the crumble mixture.

Nutritional Information

Serving: 1portion | Calories: 372kcal | Carbohydrates: 51g | Protein: 11g | Fat: 26g | Saturated Fat: 3g | Polyunsaturated Fat: 3g | Monounsaturated Fat: 3g | Trans Fat: 0.01g | Sodium: 17mg | Potassium: 255mg | Fiber: 16g | Sugar: 20g | Vitamin A: 2IU | Vitamin C: 142mg | Calcium: 84mg | Iron: 2mg

The nutritional information provided is approximate and is calculated using online tools. Information can vary depending on various factors, but we have endeavoured to be as accurate as possible.

As all appliances vary, cooking times are a guide. Please note that by changing the serving size, the cooking time may also need to be altered.

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Comments

  1. Sandie Twin says

    February 18, 2025 at 10:20 am

    5 stars
    Just made this for my breakfast and can honestly say it is delicious! So easy to make too.

    Reply
5 from 1 vote

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