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Home Recipe Index Breakfast Oatmeal Dishes

Blueberry Overnight Oats

5 /5
Jump to Recipe Rate Recipe
By: Rachel TiemeyerPosted: 12/5/23Updated: 7/14/24

This post may contain affiliate or sponsored links. Please read our disclosure policy.

Make-ahead Blueberry Overnight Oats just take minutes to put together and provide a super nutritious, comforting, and quick breakfast. Kind of like a yummy blueberry muffin in a jar!

Blueberry Overnight Oats ingredients layered in a mason jar with a yellow bowl of blueberries in the background. this …


 
Table of Contents
  • Why You’ll Love Overnight Oats
  • Ingredients
  • How to Make Blueberry Overnight Oats
  • Do I Eat Overnight Oats Warm or Cold?
  • More FAQs
  • More Overnight Oats Recipes
  • Blueberry Muffin Overnight Oats
  • More Recipes for Blueberry Lovers

Why You’ll Love Overnight Oats

Here are some reasons to make overnight oats regularly in your home.

  1. Make-Ahead: Like our Blueberry Muffin Smoothie Packs, you can whip up several of these on the weekend and have breakfast ready to go for the week. They just take minutes to put together.
  2. No Cooking Involved: The oats soften in the liquid as it sits in the refrigerator, which means, like our Chocolate Energy Bites, no cooking is needed.
  3. Super Healthy: The combo of fresh or frozen fruit, whole grains, and other nutritious add-ins provides fiber, protein, antioxidants, and valuable minerals.
  4. Eat On the Go: Whether you have just a few minutes before you leave for the day or need to eat breakfast in the car or at your desk, this breakfast-in-a-jar fits the bill! Eat these overnight oats cold or warm. (Read on for tips for serving.) Check out more Healthy On-the-Go Snacks.
  5. Super Tasty: With a balance of sweet, salty, and texture, our variety of overnight oat recipes will make the whole family happy. It’s like a dessert in a jar.

Ingredients

This particular recipe uses rolled oats, pure maple syrup, fresh or frozen blueberries, chopped walnuts, cinnamon, vanilla, and milk.

Blueberry overnight oats ingredients measured out on a white platter and labeled.

Ingredient Notes:

  • Oats – Rolled oats (or old-fashioned) work best for this recipe. However, if you only have quick oats, you can use them. They won’t take as long in the fridge and they will be a mushier texture than rolled. You can also use steel-cut oats, but they will take longer to soften and you may need to add more liquid.
  • Walnuts – We like the variety of texture and added protein of the chopped walnuts. You could replace them with sliced or chopped almonds or leave them out if you want.
  • Milk – Feel free to use any plain milk you want for this recipe. I’ve tested with 2% milk and almond milk and both work well.

How to Make Blueberry Overnight Oats

In just 4 simple steps, you can throw together your blueberry overnight oats and be ready for the week. Here’s the basic method:

1 – Build the Base: In a 12- to 16-ounce Mason jar, pour in your favorite (unsweetened) milk. Add old-fashioned or rolled oats and your all-natural sweetener of choice (pure maple syrup or honey). 

2 – Add Fruit: Blueberries are the starring fruit in this version.

Building the base of overnight oats in a mason jar.
Fruit added to overnight oats in a mason jar.

3 – Add Toppings: Pour in the remaining add-ins. For this recipe, it’s chopped walnuts, cinnamon, and vanilla extract.

4 – Shake and Refrigerate: Seal and shake. Set in the refrigerator for up to 3-5 days. 

Toppings added to overnight oats in a mason jar.
Overnight oats mixed up and sealed in a mason jar.

Do I Eat Overnight Oats Warm or Cold?

We hear this question a lot. The best way to serve overnight oats is…whatever you like best! Eating them cold or warm works.

Serve Overnight Oats Cold: Shake the jar. Stir in a little extra milk if it’s too thick and more sweetener if you’d like. Grab a spoon and eat your oats cold. This is the perfect solution for those mornings when you’re on the run!

Serve Overnight Oats Warm: This is our preferred way to serve overnight oats. Shake the jar and then remove the lid. Warm the oats in the microwave for about 45 seconds. Stir. Add more milk or sweetener as needed. Warm up even more, if desired.

Looking into the top of a mason jar that has blueberry overnight oats ready to eat.

More FAQs

What is the best kind of container to store overnight oats in?

The best containers for overnight oats have a wide enough opening to eat out of, are microwave-safe (preferably glass not plastic), and have a leak-proof lid. My two favorite containers are either 12- to 16-ounce Mason jars with lids or 2-cup glass Pyrex bowls with lids. There are also dedicated overnight oats glass jars with spoons now! I haven’t tried them, but it’s a fun idea.

Can I use steel cut oats for overnight oats?

While rolled oats are the most commonly used oats for overnight oats because they soften more quickly, you can use steel cut oats. However, you’ll need to increase the soaking time and may want to use more liquid to ensure they soften adequately.

Can I use quick oats instead of rolled oats?

Yes, but the texture will be much mushier, almost porridge-like.

Can I freeze overnight oats?

You certainly can, but just know that the texture after thawing will be very mushy oats and fruit.

A better bet might be to try one of our Baked Oatmeal recipes instead:

– Pumpkin Chocolate Chip Baked Oatmeal
– Peanut Butter and Banana Baked Oatmeal
– Baked Oatmeal with Fruit
– Brownie Baked Oatmeal

What kind of liquid can I use for overnight oats?

You can use various liquids like plain cow’s milk, almond milk, soy milk, or coconut milk, depending on your dietary preferences and taste.

How long do overnight oats have to sit in the refrigerator before I can eat them?

If using rolled oats, they ideally need to sit at least 4 hours but are even softer and better after 6-8 hours in the fridge.

How long do overnight oats last in the refrigerator?

It’s best to eat overnight oats within about 3-5 days, especially if you added in fresh or frozen fruit. After that, the texture and quality of the oatmeal deteriorate.

Can I leave out the yogurt?

Yes, you can leave out the yogurt but do add in a splash of vanilla extract if you do. If you just want to avoid dairy, try using a dairy-free yogurt instead.

Can I add protein powder to overnight oats?

Sure! Adding protein powder will increase the protein and calories. If using a sweetened protein powder, be sure to cut back on the sweetener in the overnight oats recipe. You may also need to add more liquid

More Overnight Oats Recipes

We are obsessed with overnight oats! Prep a few of these overnight oats ahead of time and enjoy healthy, hearty breakfasts throughout the week.

    • Peanut Butter Overnight Oats

    • Strawberry Shortcake Overnight Oats

    • Peach Overnight Oats

    • Peanut Butter and Jelly Overnight Oats

    • Almond Joy Overnight Oats

    • Raspberry Overnight Oats

Hands holding overnight oats printable cheat sheet.

7 Overnight Oats Cheat Sheet

We’ll send you all 7 of our popular overnight oats recipes, so you can have them in one place. Download and print it for free!

Download the Cheat Sheet

Did you make this? Snap a photo and tag us on Instagram at @thrivinghome so we can see your creations and cheer you on!

Blueberry muffin overnight oats ingredients layered in a mason jar with a bowl of blueberries in the background.
5 Stars 4 Stars 3 Stars 2 Stars 1 Star 5 from 6 reviews

Blueberry Muffin Overnight Oats

This make-ahead blueberry muffin overnight oats recipe takes just minutes to put together and provides a super nutritious and quick breakfast.

Yield: 1 serving 1x
Prep: 5 minutesCook: 4 hoursTotal: 4 hours 5 minutes
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Ingredients

  • 1/2 cup milk (your choice), plus more for serving
  • 1/3 cup old-fashioned rolled oats*
  • 1 tablespoon pure maple syrup or honey
  • 1/2 cup frozen or fresh blueberries
  • 2 tablespoons chopped walnuts (optional)
  • 1/4 teaspoon ground cinnamon
  • 1/8 teaspoon pure vanilla extract

Before You Begin! If you make this, please leave a review and rating letting us know how you liked this recipe! This helps our business thrive & continue providing free recipes.

Instructions

  1. In a 12- to 16-ounce Mason jars, pour in the milk.
  2. Add old-fashioned or rolled oats and your all-natural sweetener of choice (pure maple syrup or honey).
  3. Pour in the remaining add-ins, which are fresh or frozen blueberries, walnuts, cinnamon, and vanilla for this version.
  4. Screw on the lid tightly and shake. Set in the refrigerator for at least 4 hours and up to 3-5 days.
  5. You can eat it cold or warm. Here’s how to serve it:

    • Serve Cold: Shake the jar. Stir in a little extra milk if it’s too thick and more sweetener if you’d like. Grab a spoon and eat your oats cold. This is the perfect solution for those mornings when you’re on the run!
    • Serve Warm: This is our preferred way to serve overnight oats. Shake the jar and then remove the lid. Warm the oats in the microwave for about 45 seconds. Stir. Add more milk or sweetener as needed. Warm up even more, if desired.


Notes/Tips

  • Try the other 6 flavors of overnight oats on our site!
  • If using rolled oats, they ideally need to sit in the fridge for at least 4 hours but are even softer and better after 6-8 hours in the fridge.
  • It’s best to eat overnight oats within about 3-5 days, especially if you added in fresh or frozen fruit. After that, the texture and quality of the oatmeal deteriorate.
  • You can use steel-cut oats in place of the rolled oats, but they will require longer in the fridge to get soft and may need more liquid.
  • Feel free to add in some protein powder to your overnight oats to increase protein and calories. If using a sweetened protein powder, be sure to cut back on the sweetener in the overnight oats recipe. You may also need to add more liquid.
  • Gluten-Free Note: If you have a gluten allergy, be sure to buy certified gluten-free oats. While oats are a naturally gluten-free food, they are often processed in a factory where gluten is present.
© Author: Rachel Tiemeyer
Cuisine: American Method: No Cook

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Rachel Tiemeyer

As co-founder of Thriving Home, Rachel dreams about creating recipes (literally) and uses her husband, her 3 kids, and even the neighbors as guinea pigs several nights a week. She believes that good food has the power to bring families and friends closer together and continues to wake up excited about her job each day, even after 10+ years!

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  1. Ava says

    Posted on 1/27/24 at 8:35 am

    Sooooo good!! My go to overnight oats recipe!

    Reply
    • Carla from Thriving HomeCarla from Thriving Home says

      Posted on 1/27/24 at 7:42 pm

      Yay! Glad you found a favorite. Mine is Peach Pie Overnight Oats! 🙂 Thanks for leaving a review Ava.

      Reply
  2. Seri says

    Posted on 1/9/24 at 7:54 pm

    This recipe is so good! My husband and I love to just reach in the fridge and have an instant breakfast that is good for you and tasted great

    Reply
    • Carla from Thriving HomeCarla from Thriving Home says

      Posted on 1/10/24 at 6:17 pm

      Yay! So glad you found a favorite Seri. Mine is Peach Pie Overnight Oats, but they are all so yummy and easy and healthy!

      Reply
  3. Janelle says

    Posted on 11/4/23 at 12:57 pm

    Love the recipes. I adapt them for my Bariatric lifestyle.

    Reply
    • Carla from Thriving HomeCarla from Thriving Home says

      Posted on 11/4/23 at 6:49 pm

      Hi Janelle! Glad you are able to adapt the recipes for your lifestyle. Thanks for leaving a review!

      Reply
  4. Katie says

    Posted on 9/12/23 at 8:25 am

    Sooo delicious! Loved this one. It was like eating a treat for breakfast.

    Reply
    • Carla from Thriving HomeCarla from Thriving Home says

      Posted on 9/12/23 at 12:14 pm

      That’s the best kind of breakfast! Thanks for leaving a review Katie.

      Reply
  5. Vanessa Patrick says

    Posted on 2/14/23 at 6:38 am

    My first try of overnight oats and I’m hooked!

    Reply
    • Carla from Thriving HomeCarla from Thriving Home says

      Posted on 2/14/23 at 10:15 am

      So, so good, right? I can barely make any except Peach Pie because I am addicted to that one! Glad you gave them a try Vanessa and thank you for leaving a review.

      Reply
  6. Tamar says

    Posted on 2/11/23 at 6:41 am

    I made this recipe and used Califa extra creamy almond milk, and fresh blueberries. Quick and easy to make. It came out delicious!

    Reply
    • Carla from Thriving HomeCarla from Thriving Home says

      Posted on 2/12/23 at 1:42 pm

      Thanks for letting others know what substitutions worked for you Tamar! So glad you liked it.

      Reply
  7. Chandra Gerrity says

    Posted on 1/24/23 at 8:54 pm

    My husband and I absolutely loved the Blueberry Muffin overnight oats!! So quick and easy to make and a delicious meal to boot!! Thank you so much, looking forward to trying out some of the other recipes!! ❤️

    Reply
    • Carla from Thriving HomeCarla from Thriving Home says

      Posted on 1/25/23 at 9:51 am

      Hi Chandra! Thanks so much for the review. My favorite overnight oats is the Peach Pie! I hope you find more recipes you love.

      Reply
  8. Amy Barroca says

    Posted on 4/22/21 at 1:27 pm

    Never been a fan of overnight oats but your are so good. Peanut butter cup and strawberry shortcake are my favourites

    Reply
  9. Jen says

    Posted on 2/3/21 at 7:41 am

    I used frozen blueberries and mine turned out very watery. Any suggestions?

    Reply
    • Rachel Tiemeyer says

      Posted on 2/3/21 at 1:32 pm

      Try using less milk. You can always add more later.

      Reply
  10. Tara says

    Posted on 6/5/19 at 12:19 pm

    Would this recipe work with steel cut oats? I’m thinking not, lol, but wanted to check if you’d had any success with those. Thanks!

    Reply
    • Kc says

      Posted on 6/5/19 at 3:31 pm

      I’ve used bobs red mill muesli. It’s great with whole rolled oats.

      Reply
    • Rachel says

      Posted on 6/5/19 at 5:20 pm

      We haven’t tested steel cut oats, sorry!

      Reply

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