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Home » Recipe Index » Breakfast and Brunch

Blackberry Overnight Oats

Published: May 8, 2025 · Updated: May 8, 2025 Author: Alexandra Cook

For the full recipe including quantities and method, click the "jump to recipe" button, or scroll through and read our helpful tips along the way.

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Pinterest image with photos of Blackberry Overnight Oats.
Pinterest image with photo of Blackberry Overnight Oats.
Pinterest image with photo of Blackberry Overnight Oats.
Pinterest image with photo of Blackberry Overnight Oats.
Pinterest image with photos of Blackberry Overnight Oats.
Pinterest image with photos of Blackberry Overnight Oats.
Pinterest image with photos of Blackberry Overnight Oats.
Pinterest image with photo of Blackberry Overnight Oats.
Pinterest image with photo of Blackberry Overnight Oats.
Pinterest image with photos of Blackberry Overnight Oats.
Pinterest image with photos of Blackberry Overnight Oats.

When you feel your breakfast routine needs a change, our Blackberry Overnight Oats may be the solution. The oats are nourishing and satisfying and certain to become a family favourite. A creamy oat base is sweetened with maple syrup and flavoured with the brightness of lemon zest. To serve, we add a topping of Greek yoghurt and perfectly ripe, sweet blackberries. Simply spend a few minutes at night preparing the oats, and in the morning your breakfast is ready to enjoy or take on the go. It doesn’t get much easier than this!

Jar of Blackberry Overnight Oats, sitting on a small white saucer.

Jump to:
  • Why You’ll Love This Recipe:
  • Ingredients and Substitutions:
  • Variations:
  • How To Make Blackberry Overnight Oats:
  • Tips for Success, Storage and FAQs:
  • Top Tip:
  • Serving Suggestions:
  • More Delicious Recipes For You To Try:
  • Blackberry Overnight Oats

Why You’ll Love This Recipe:

  • The written recipe serves two, but the recipe can easily be halved or doubled to suit your needs.
  • As all the preparation is done the night before, they are perfect for busy weekdays.
  • You can prepare the oats a few days ahead as they will last in the fridge for three days.  
  • One of the great advantages of Overnight Oats is that you can vary the flavours, perhaps have a different one each day of the week. For instance, you may like to try Apple Cinnamon Overnight Oats or our Biscoff Overnight Oats.

Recipe Inspiration: adapted from my Blueberry Overnight Oats recipe.

Ingredients and Substitutions:

Please see the recipe card further along in the post for exact quantities of ingredients and the full method.

Ingredients in this recipe on a pink marble background.
  • Old Fashioned Rolled Oats – these are the best oats for this recipe. Although steel-cut oats and quick-cooking oats can be used, they may require a different ratio of liquid.
  • Milk – use the milk of your preference. I like to use almond or oat milk, but soy milk works just fine, so does dairy milk. 
  • Chia seeds – help give the oats a nice thick texture and add fibre. Black or white chia seeds are suitable. 
  • Maple syrup – we add a small amount for gentle sweetness. 
  • Vanilla – use a good quality vanilla extract that is naturally produced from the vanilla bean and not synthetically flavoured.
  • Lemon zest – adds freshness and brightness.
  • Greek yoghurt – when serving, we add Greek Yoghurt to the top. You could also use coconut yoghurt if you prefer.
  • Blackberries – fresh or frozen blackberries are added to the top of the oats. If using frozen berries, allow them to defrost in the fridge overnight.

Variations:

Maple syrup – use honey if you prefer.

Flavours – we have a collection of Overnight Oats Recipes which may be of interest.

How To Make Blackberry Overnight Oats:

Please see the recipe card further along in the post for exact quantities of ingredients and the full method.

Steps 1-2 of preparing this recipe: the ingredients in a glass bowl and whisking the mixture.

1 – Add your ingredients:
Add all the ingredients, except the blackberries and yoghurt, to a medium-sized mixing bowl.

2 – Mix well:
Mix well to ensure everything is evenly combined.

Cover the bowl with clingwrap or divide the mixture into two glasses or mason jars and cover. 

Refrigerate for 6 hours or overnight.

When serving, top with Greek yoghurt and fresh blackberries.

Hint: save adding any crunchy toppings such as nuts or granola until you’re ready to eat, so they don’t soften.

Jar of Blackberry Overnight Oats, sitting on a small white saucer, with some additional blackberries around the edge.

Tips for Success, Storage and FAQs:

How long can I keep the Blackberry Overnight Oats?

For the best taste and texture, enjoy them within three days.

After assembling the oats, how long before I can eat them?

Refrigerate the oats for at least 6 hours before eating. I find it ideal to make them just before bed; they are perfect in the morning!

Are Old Fashioned Rolled Oats Gluten-Free?

There are different views on this topic depending on where you live in the world. For Australian residents, Coeliac Australia provides a great resource. Consult with a health professional if you are unsure and always be sure to read the labels.

Top Tip:

Rolled oats have a long shelf life, but they can become rancid. If you have had your oats for a long time, it is worth checking. I find the best way is the “smell test”. When fresh, they should have a sweet, slightly nutty aroma. If rancid, there will be an unpleasant smell.

Jar of Blackberry Overnight Oats, sitting on a small white saucer, with a spoon scooping up some of the mixture.

Serving Suggestions:

We love to enjoy the oats with extra yoghurt and berries, but some alternatives are:

  • Chopped nuts for great texture. Try almonds, walnuts, pistachios or another of your preference. 
  • Toasted coconut flakes.
  • Additional fresh lemon zest.
  • A swirl of our Blackberry Sauce. 

I hope you enjoy these delicious Blackberry Overnight Oats as much as we do. Be sure to let me know in the comments below when you have given them a try!

Alex xx

More Delicious Recipes For You To Try:

  • Glass of overnight oats garnished with walnuts and grated carrot, sitting on board with a spoon on the edge.
    Carrot Cake Overnight Oats
  • Jar of overnight oats, sitting on a white plate, garnished with peanut butter and cacao nibs.
    Chocolate Peanut Butter Overnight Oats
  • Glass jar of overnight oats, sitting on a wooden board, with a spoon on the edge.
    Banana Overnight Oats
  • Jar of overnight oats, garnished with yoghurt and cocoa powder, sitting on a wooden saucer with a spoon on edge.
    Espresso Coffee Overnight Oats

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Jar of Blackberry Overnight Oats, sitting on a small white saucer.

Blackberry Overnight Oats

When you feel your breakfast routine needs a change, our Blackberry Overnight Oats may be the solution. The oats are nourishing and satisfying and certain to become a family favourite. A creamy oat base is sweetened with maple syrup and flavoured with the brightness of lemon zest. To serve, we add a topping of Greek yoghurt and perfectly ripe, sweet blackberries. Simply spend a few minutes at night preparing the oats, and in the morning your breakfast is ready to enjoy or take on the go. It doesn’t get much easier than this!
Print Pin Review
Course: Breakfast
Cuisine: International
Prep Time: 10 minutes minutes
Chill Time: 6 hours hours
Total Time: 6 hours hours 10 minutes minutes
Servings: 2 people
Calories: 308kcal
Author: Alexandra Cook – It’s Not Complicated Recipes

Please note:

For accuracy, when weights are provided, we recommend weighing your ingredients. This will produce the best results. All oven temperatures listed are for fan forced.

Ingredients

For the Overnight Oats:

  • 1 ¼ cups (300 ml) milk – I use almond or oat See Note 1
  • 1 teaspoon vanilla extract
  • 1 ½ teaspoon lemon zest
  • 1 cup (80 g) old fashioned rolled oats
  • 1 tablespoon chia seeds See Note 2
  • 1 tablespoon maple syrup

Toppings:

  • 125 g (4.4 oz) blackberries See Note 3
  • ½ cup (125 ml) Greek yoghurt

Instructions

  • In a medium-sized bowl, add all of the ingredients except for the blackberries and yoghurt.
  • Mix well until everything is well combined.
  • Cover the bowl with clingwrap, or divide the mixture into two glasses or mason jars and cover. Refrigerate for 6 hours or overnight.
  • When ready to serve, top with Greek yoghurt and fresh blackberries.

Notes

  1. Milk: use milk of your choice. I use almond or oat milk. Add more milk when serving if you prefer a thinner texture.
  2. Tablespoon: we use a standard Australian tablespoon which is 20 ml (4 teaspoons).
  3. Blackberries: fresh or frozen will work. If using frozen, allow them to defrost in the fridge overnight before topping the oats.
  4. Storage: for the best taste and texture, enjoy the Blackberry Overnight Oats within three days.
  5. More recipes: for more inspiration, view our complete Easy Overnight Oats Recipe Collection.
Made this recipe? We’d be so grateful if you could leave a comment and rating at the bottom of the page!

Nutrition Estimate:

Calories: 308kcal | Carbohydrates: 46g | Protein: 14g | Fat: 8g | Saturated Fat: 1g | Polyunsaturated Fat: 3g | Monounsaturated Fat: 2g | Trans Fat: 0.01g | Cholesterol: 3mg | Sodium: 231mg | Potassium: 300mg | Fiber: 10g | Sugar: 12g | Calcium: 344mg | Iron: 3mg
Nutritional Disclaimer:

The nutritional information is an estimate only, and is derived from online calculators. For accurate results, we recommend calculating the nutritional information based on the ingredients and brands you use.

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