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Home » Breakfast

Published on April 8, 2025 Updated on February 14, 2026. Published by Megan

Blueberry Overnight Oats

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Blueberry overnight oats are an easy, simple and healthy breakfast made by soaking oats and blueberries overnight in vanilla infused milk. This overnight blueberry oatmeal takes about 5 minutes to assemble and is perfect for weekly meal prep.

Blueberry overnight oats are an easy, simple and healthy breakfast made by soaking oats and blueberries overnight in vanilla infused milk. This overnight blueberry oatmeal takes about 5 minutes to assemble and is perfect for weekly meal prep.
Jump to:
  • Why Should You Make This Recipe
  • Ingredients
  • How To Make
  • How To Store and Serve
  • M’s Expert Tips
  • FAQs
  • Other Blueberry Breakfast Recipes to Try
  • Blueberry Overnight Oats Recipe

Why Should You Make This Recipe

I love quick, easy and healthy recipes. My Oat Flour Pancakes, Almond Flour Blueberry Muffins, Date Snickers and Frozen Yogurt Bars are a few healthy, make ahead recipes that I absolutely adore. This gluten free overnight blueberry oatmeal are another healthy recipe I know you will love just as much as I do. 

  • Quick and healthy breakfast. This blueberry overnight oats recipe takes about 5 minutes to make using 5 or 6 simple ingredients. Simply mix everything together and allow the oats to soak overnight. The result is a delicious, healthy and hearty breakfast. 
  • Perfect for meal prep. Overnight blueberry oatmeal is perfect for making at the beginning of the week and enjoying for a healthy, filling and delicious breakfast for the next 4 - 5 days. 
  • You need an eggless, gluten free and affordable breakfast idea. Oats are filled with fiber and slow digesting, complex carbs. Add chia seeds, milk, some sweetener and blueberries and you’ve got a simple and filling breakfast that will keep you full all morning.

Ingredients

These blueberry overnight oats require only a handful of basic pantry ingredients which makes them perfect for busy mornings and slow weekend brunches. Here’s what you will need.

Gather oats, chia seeds, vanilla extract, maple syrup, milk and blueberries.

Gather oats, chia seeds, vanilla extract, maple syrup, milk and blueberries.

Substitutions 

Here are my recommended substitutions to make this overnight blueberry oatmeal  if you need them.

  • Oats: Heariter types of oats such as old fashioned, rolled oats or steel cut oats are better options for overnight oats. Quick cooking oats will become mushier than the other types of oats. If needed, use gluten free oats to make these overnight oats gluten free. 
  • Chia Seeds: I like adding chia seeds to overnight oats for a thicker and creamier consistency. Feel free to omit or use flax seeds if you like. 
  • Milk: Use any milk you like. Plant based milk also works well in this recipe. 
  • Vanilla Extract: Feel free to omit if you like. This is purely for flavor. 
  • Maple Syrup: Honey or agave work well to sweeten these blueberry overnight oats. 
  • Blueberries: Feel free to use fresh or frozen blueberries. If you prefer, use blackberries or raspberries in place of the blueberries.
Blueberry overnight oats are an easy, simple and healthy breakfast made by soaking oats and blueberries overnight in vanilla infused milk. This overnight blueberry oatmeal takes about 5 minutes to assemble and is perfect for weekly meal prep.

Variations

  • Blended Blueberry Overnight Oats: Blend ½ cup blueberries with all of the oats, chia seeds, maple syrup and vanilla extract. Divide the blended oats into 2 serving containers. Stir in ¼ cup blueberries into each of the container and chill. 
  • Mix-ins: Add toppings such as shredded coconut, more berries, seeds or nuts to the overnight oats until it’s time to serve the overnight blueberry oatmeal. 
  • Blueberry Overnight Oats with Yogurt: For thicker overnight oats, add greek yogurt. Reduce the milk to 1 cup total and add 1 cup of greek yogurt.
  • Blueberry Milk Overnight Oats: Blend ½ cup blueberries with all the milk. Prepare the rest of the recipe as written with the blueberry milk taking the place of the milk.

How To Make

Learn how to make blueberry overnight oats in a few easy steps.

  1. Add the oats and chia seeds into a large mixing bowl or add ½ cup oats and 2 teaspoons chia seeds into 2 individual containers. Whisk the oats and chia seeds to combine. Add the milk, maple syrup and vanilla extract to the oats and chia seeds. Mix well to combine. Stir in the blueberries if you like. If the blueberries are firm, they should be fine. If the blueberries a a little soft or you are using frozen blueberries, wait to stir the blueberries into the mixture until you are ready to serve the overnight oats. 
  2. Cover the bowl or the individual containers. Transfer the blueberry overnight oats to chill in the fridge for at least 4 hours. Soaking the overnight oats with blueberries overnight yields the best, creamiest and thickest results. 
  3. When it’s time to serve, top the overnight blueberry oats with your preferred toppings and enjoy. I love topping mine with more fresh blueberries, shredded coconut and sliced almonds.

How To Store and Serve

  • Store: Place the overnight blueberry oats in an airtight container for up to 4 -5  days in the fridge. 
  • Serve: Top the chilled blueberry overnight oats with your preferred toppings such as more fresh berries, granola, shredded coconut, seeds or cocoa nibs.
Blueberry overnight oats are an easy, simple and healthy breakfast made by soaking oats and blueberries overnight in vanilla infused milk. This overnight blueberry oatmeal takes about 5 minutes to assemble and is perfect for weekly meal prep.

M’s Expert Tips

  • Mix the ingredients directly into individual containers. The easiest and more precise way to make overnight oats is to mix the dry and wet ingredients directly into the individual containers. 
  • Use the right kind of oats. Rolled oats, old fashioned oats or steel cut oats are good for making overnight oats. Quick cooking oats are not ideal unless you prefer a mushier texture. 
  • Add chia or flax seeds. The addition of chia or flax seeds adds healthy omega-3 fats and creates a thicker more pudding like consistency to the overnight oats. 
  • For thicker overnight oats, add greek yogurt. Reduce the milk to 1 cup total and add 1 cup of greek yogurt.
  • Add toppings before serving. Other than the blueberries, wait to add toppings such as shredded coconut, more berries, seeds or nuts to the overnight oats until it’s time to serve the overnight blueberry oatmeal.

FAQs

Can I put blueberries in overnight oats?

Yes, you can add fresh or frozen blueberries to overnight oats for an extra boost of flavor, antioxidants and fiber.

Can I use quick cooking oats for overnight oats?

Heariter types of oats such as old fashioned, rolled oats or steel cut oats are better options for overnight oats. Quick cooking oats will become mushier than the other types of oats.

Are overnight oats actually healthy?

Yes, overnight oats have a whole host of benefits to keep your body healthy. Soaking the oats breaks down starches and phytic acid, making the nutrients and vitamins easier to absorb. Fiber and antioxidants from the oats and blueberries is great for gut health and for slower digestion of the carbs. The addition of chia seeds adds a boost of omega-3.

Blueberry overnight oats are an easy, simple and healthy breakfast made by soaking oats and blueberries overnight in vanilla infused milk. This overnight blueberry oatmeal takes about 5 minutes to assemble and is perfect for weekly meal prep.

Other Blueberry Breakfast Recipes to Try

  • Lemon Blueberry Muffins
  • Blueberry Waffles 
  • Mini Blueberry Muffins
  • Easy Lemon Blueberry Scones
  • Blueberry Donuts

If you try this Blueberry Overnight Oats recipe please rate the recipe and leave a comment below. Doing so helps other readers decide if this is a great recipe to make. Don’t forget to tag me on Instagram using @olivesnthyme so I can see what you’re baking!

Blueberry Overnight Oats Recipe

Megan
Blueberry overnight oats are an easy, simple and healthy breakfast made by soaking oats and blueberries overnight in vanilla infused milk. This overnight blueberry oatmeal takes about 5 minutes to assemble and is perfect for weekly meal prep.
5 from 1 vote
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Prep Time 5 minutes mins
Chilling Time 4 hours hrs
Total Time 4 hours hrs 5 minutes mins
Course Breakfast
Cuisine American
Servings 2 servings

Equipment

  • 1 large bowl
  • 1 large spoon
  • 2 containers with lids

Ingredients
  

  • 1 cup (90g) rolled or old fashioned oats
  • 4 teaspoons chia seeds, optional
  • 1½ cup (360 ml) milk of choice
  • 3 tablespoons (45 ml) maple syrup
  • 1 teaspoon vanilla extract
  • 1 cup blueberries, divided

Instructions
 

  • Add the oats and chia seeds into a large mixing bowl or evenly divide and add the oats and chia seeds into 2 individual containers. Whisk the oats and chia seeds to combine. 
    1 cup (90g) rolled or old fashioned oats, 4 teaspoons chia seeds, optional
  • Add the milk, maple syrup and vanilla extract to the oats and chia seeds. Mix well to combine. Stir in ¾ cup blueberries if you like. Reserve the remaining ¼ cup blueberries for topping.
    If the blueberries are firm, they should be fine to soak overnight. If the blueberries are a little soft or you are using frozen blueberries, wait to stir the blueberries into the mixture until you are ready to serve the overnight oats. Transfer the overnight oats mixture to 2 containers if you like.
    1½ cup (360 ml) milk of choice, 3 tablespoons (45 ml) maple syrup, 1 teaspoon vanilla extract , 1 cup blueberries, divided
  • Cover the bowl or the individual containers. Transfer the blueberry overnight oats to chill in the fridge for at least 4 hours. Soaking the overnight oats with blueberries overnight yields the best, creamiest and thickest results. 
  • When it’s time to serve, top the overnight blueberry oats with your preferred toppings and enjoy. I love topping mine with more fresh blueberries, shredded coconut and sliced almonds.

Notes

Store: Place the overnight blueberry oats in an airtight container for up to 4 -5  days in the fridge. 
Serve: Top the chilled blueberry overnight oats with your preferred toppings such as more fresh berries, granola, shredded coconut, seeds or cocoa nibs.
Tip: For thicker overnight oats, add greek yogurt. Reduce the milk to 1 cup total and add 1 cup of greek yogurt.
See the Variations section of the blog post to make blueberry overnight oats as blended oats or with bluebery milk. 
Keyword Blueberry Overnight Oats, Blueberry Overnight Oats Recipe, Overnight Blueberry Oatmeal, Overnight Oats with Blueberries
did you make this recipe?tag @olivesnthyme on Instagram

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Hi friends, I'm Megan!

Welcome to my blog, Olives + Thyme. I am a food photographer and blogger with a love of all things sweet.

Here you'll find mostly sweet recipes that are simple to make and full of flavor.

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