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These blueberry lemon overnight oats are made with just 7 ingredients, like chia seeds, greek yogurt, fresh blueberries, and lemon zest. It’s such an easy, no-cook, make-ahead breakfast recipe that happens to taste DELICIOUS!

overhead shot of white bowl with overnight oats, blueberries, lemon zest, almond butter and gold spoon with blue towel

Overnight oats have consistently been one of my favourite breakfasts to prepare over the years. When I was training to become a dietitian, I honestly think I made them for breakfast almost everyday!

They are SO quick and easy to make – no cooking involved and you just need a few minutes to mix everything together. Pop the oat mixture in the fridge before bed, and you’ve got nutritious, balanced breakfast ready to go in the morning!

What I also love about overnight oats are all the different flavour combinations you can come up with. I have to say – this Blueberry Lemon Overnight Oatmeal might just be one of my favourites!!

Want more inspiration for cooking with oats? Check out my roundup of 25+ easy, healthy recipes using oats for more ideas!

closeup shot of white bowl with overnight oats, blueberries, lemon zest, almond butter and gold spoon

What’s The Difference Between Overnight Oats & Regular Oatmeal?

The primary difference between overnight oats and regular oatmeal is in the way it’s prepared.

Overnight oats are made in advance and they require ZERO cooking. You simply mix dry oats with a liquid (like milk, nut milk, or yogurt) and let it sit for a few hours or overnight. The oats soften by soaking in the liquid, rather than through cooking.

Regular oatmeal is typically cooked on the stovetop or in the microwave. It’s often enjoyed hot!

Do You Eat Overnight Oats Cold?

Yes! I typically eat my overnight oats cold, making them perfect for the warmer months and for quick grab-and-go breakfasts.

That said, I’ve also made overnight oats that I heat up in the microwave right before I want to eat them. It’s totally up to you!

overhead shot of white bowl with overnight oats, blueberries, lemon zest, almond butter and gold spoon

Are Overnight Oats Healthy?

You bet! Overnight oats are an incredibly healthy breakfast option that is totally customizable.

Rolled oats are an excellent source of soluble fibre, which helps to slow digestion, lower cholesterol, improve blood sugar control, regulate bowel movements, and promote the growth of good gut bacteria.

Oats are also an excellent source of micronutrients, like manganese, phosphorus, magnesium, copper, iron, zinc, and B-vitamins. On the macronutrient side, oats are a source of complex carbohydrates and plant-based protein!

In addition to the health benefits of oatmeal, this recipe is packed with other nutrient-dense ingredients like:

  • Chia seeds, which are packed with fibre, omega-3 fatty acids, protein, and minerals like magnesium, calcium + iron.
  • Plain greek yogurt, which is a great source of protein, gut-friendly probiotic bacteria, and micronutrients like calcium, potassium, vitamin A + B12.
  • Blueberries, which are an excellent source of fibre, antioxidants, and micronutrients like vitamin C, K, B6 + manganese.
  • Lemon zest, which is a good source of fibre, antioxidants + vitamin C!
wood cutting board with bowls of blueberries, oats, yogurt, chia seeds, milk, vanilla, and lemon

How To Make Blueberry Lemon Overnight Oats

To make these blueberry lemon overnight oats, start by mashing fresh blueberries into a bowl or airtight container. This helps to release their juices.

Next, add rolled oats, chia seeds, plain greek yogurt, almond milk, and vanilla extract to the mashed blueberries.

Stir everything together well, cover, and refrigerate for a minimum of 2 hours. Or, leave them in the fridge overnight so that breakfast is ready in the morning.

Remove the overnight oats from the fridge and top with fresh blueberries and lemon zest. That’s it!

glass container with overnight oats

How Long Do Overnight Oats Keep?

Overnight oats will keep for 4-6 days in an airtight container in the fridge. This makes them a perfect breakfast meal prep option – just make a large batch, and you have a healthy breakfast ready for the week!

overhead shot of white bowl with overnight oats, blueberries, lemon zest, almond butter and gold spoon with blue towel

Recipe Variations & Modifications

  1. This blueberry lemon overnight oats recipe tastes great with a scoop of almond or peanut butter. This is a great addition if you want to add a bit more healthy fat and protein to this meal!
  2. While I personally find this recipe sweet enough, you can always add a touch of maple syrup or honey for extra sweetness.
  3. For a vegan option, simply swap the greek yogurt with a plain vegan yogurt. Choose one that’s thick and creamy, and low on added sugars. Do note that this will lower the protein content of this recipe.
  4. I used unsweetened almond milk for this recipe, but feel free to use any milk or plant-based milk alternative that you enjoy!
  5. While oats are naturally gluten-free, if you’re on a strict gluten-free diet you will need to ensure that you use certified gluten-free oats for this recipe.
closeup side angle shot of white bowl with overnight oats, blueberries, lemon zest, almond butter and gold spoon

More Healthy Oatmeal Recipes

Did you give these Blueberry Lemon Overnight Oats a try? Let me know by leaving a comment and recipe rating below!

If you do make this recipe, don’t forget to tag me on Instagram or Pinterest – seeing your creations always makes my day. You can also subscribe to my email list to never miss a new recipe or nutrition education post!

Get the Recipe: Blueberry Lemon Overnight Oats With Chia

These blueberry lemon overnight oats are made with just 7 ingredients, like chia seeds, greek yogurt, fresh blueberries, and lemon zest. It's such an easy, no-cook, make-ahead breakfast recipe that happens to taste DELICIOUS!
Prep Time: 10 minutes
Refrigerate: 2 hours
Total Time: 2 hours 10 minutes
Servings: 1
overhead shot of white bowl with overnight oats, blueberries, lemon zest, almond butter and gold spoon with blue towel
Print Pin
5 from 9 votes
Leave a Review

Ingredients

  • 3/4 cup fresh blueberries, divided
  • 1/2 cup rolled oats
  • 1 Tbsp chia seeds
  • 1/2 cup plain greek yogurt (benefits of Greek yogurt)
  • 1/4 cup unsweetened nut milk (I used almond milk)
  • 1/2 tsp vanilla extract
  • 1/2 a lemon, zest only
  • Optional toppings: nut butter, maple syrup

Instructions

  • Start by mashing 1/2 a cup of the blueberries into a bowl or airtight container. This helps to release their juices. Reserve the remaining 1/4 cup blueberries for topping.
  • Next, add rolled oats, chia seeds, plain greek yogurt, almond milk, and vanilla extract to the mashed blueberries.
  • Stir everything together well, cover, and refrigerate for a minimum of 2 hours. Or, leave them in the fridge overnight so that breakfast is ready in the morning.
  • Remove the overnight oats from the fridge, give them a stir, and top with the rest of the blueberries and lemon zest. You can add nut butter or maple syrup, if desired!

Notes

*These overnight oats will keep in an airtight container in the fridge for 4-6 days. There is no need to heat them.
*If you’d like to prep a large batch for meal prep, feel free to increase the recipe as desired!
*For a vegan version, swap greek yogurt with thick, creamy vegan yogurt. Do note that this will significantly lower the protein content of this recipe.
*You can use any milk or plant-based milk alternative for this recipe. Just try to choose one that is unsweetened and unflavoured!
*For a gluten-free version, ensure you’re using certified gluten-free rolled oats.
Course: Breakfast, Snack
Cuisine: American, Mediterranean
Diet: Gluten Free, Vegetarian
Keyword: almond milk, blueberries, chia seeds, greek yogurt, lemon zest, oats, vanilla
Author: Carrie Walder

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This post may contain affiliate links. Please see my disclosure policy.