Why You’ll Love This Recipe

These blueberry overnight oats are a life-saver on hectic mornings. Prep them once, and enjoy a nourishing, grab-and-go breakfast for days. Whether you’re juggling work, a workout, or wrangling little ones, this recipe has your back.

Use this recipe for a:

  • Quick breakfast before school or work
  • Easy post-workout snack with protein
  • Grab-and-go option for travel days
  • Sunday night prep for weekday wins
  • Light evening snack that won’t weigh you down

You’ll love how they’re made with wholesome ingredients like fiber-rich oats, creamy non-dairy milk, and sweet blueberries. You can stir in a scoop of your favorite protein powder for extra protein, or customize them with the toppings and mix-ins you love most. It’s flexible, filling, and honestly just a delicious breakfast.

If you love simple make-ahead breakfast recipes, don’t miss my blended overnight oats. I also have a whole collection of easy overnight oatmeal recipes that rotate through the seasons—carrot cake in spring, pumpkin in fall, and peanut butter all year long!

Ingredients You’ll Need

blueberry overnight oats ingredients on a counter.
  • Gluten-Free Rolled Oats: These provide the hearty base and fiber. Look for certified gluten-free oats like Bob’s Red Mill.
  • Blueberries: Fresh or frozen both work. Frozen blueberries thaw overnight and make the oats extra sweet.
  • Chia Seeds: Help thicken the oats and add fiber and healthy fats.
  • Maple Syrup: Adds natural sweetness. Adjust to taste.
  • Vanilla Extract + Cinnamon: Adds warmth and depth.
  • Salt: Just a pinch to balance the sweetness.
  • Non-Dairy Milk: Almond, oat, or coconut milk all work beautifully. If you’re not dairy-free, regular milk is fine too.
  • Vanilla Protein Powder (optional): Adds extra protein and makes the oats extra creamy.

How to Make Blueberry Overnight Oats

ingredientes for blueberry overnight oats in a mixing bowl.

Step 1: Mix Ingredients. In a large bowl, stir together oats, blueberries, chia seeds, maple syrup, vanilla, cinnamon, and salt. Add in your choice of milk and a scoop of protein powder if using.

blueberry overnight oats in a mixing bowl before refrigerating.

Step 2: Mix until well combined.

blueberry overnight oats in a bowl after chilling overnight.

Step 3: Refrigerate. Cover with plastic wrap or divide into large mason jars or small airtight containers. Refrigerate for at least 12 hours or overnight.

3 jars of blueberry overnight oats with fresh blueberries on top.

Step 4: Serve. Give the oats a good stir the next morning. Enjoy them cold, or warm gently in the microwave. Top with your favorite mix-ins or more sweet blueberries.

Expert Tips

  • Frozen Blueberries: No need to thaw! They soften overnight and release juices for added flavor.
  • Adjust Sweetness: Start with less maple syrup and add more if needed.
  • Meal Prep Like a Pro: Portion into airtight mason jars so you can grab and go all week.
  • Boost Protein: Stir in vanilla protein powder or top with nut butter for more staying power.
blueberry overnight oats in a jar topped with fresh blueberries and almond butter.

Serving Ideas & Variations

  • Toppings: Try peanut butter, almond butter, chopped nuts, or a sprinkle of granola.
  • Fruit Swaps: Sub blueberries for strawberries, raspberries, or diced banana.
  • Milk Options: Use oat milk, soy milk, or coconut milk depending on preference.
  • Add-Ins: Try lemon zest, shredded coconut, or flaxseed for added nutrition.
  • Warm It Up: Microwave 30–60 seconds if you prefer warm oats.
  • Make It a Complete Breakfast: Pair with a cup of coffee, some scrambled eggs, or green smoothie for a balanced morning meal.
two jars of blueberry overnight oats on a serving board.

Storage Tips

  • Refrigerate: Store in an airtight container in the fridge for up to 5 days. The oats get creamier the longer they sit!
  • Keep Toppings Separate: Add granola or fresh fruit right before eating to maintain crunch and freshness.
  • Freezing Not Recommended: Freezing changes the texture—refrigeration works best.

Recipe FAQs

How healthy are overnight oats?

These oats are high in fiber, full of healthy fats, and naturally sweetened. The chia seeds, oats, and blueberries offer long-lasting energy and nutrients.

Can I use frozen blueberries in overnight oats?

Yes! Frozen blueberries thaw overnight and add extra flavor and color.

Can I use a different type of oats?

You can use regular rolled oats if not gluten-free. Steel-cut oats require longer soaking or partial cooking first.

What if I don’t have chia seeds?

You can skip them, or sub ground flaxseed for a similar creamy texture.

Do I need protein powder?

Nope—but a scoop of protein powder adds protein and creaminess. Totally optional!

This easy blueberry overnight oats recipe is everything you want in a breakfast: fast, filling, and totally flexible. Give it a try this week and see how easy mornings can be! Have a favorite topping? Drop it in the comments and let’s swap ideas.

Need more meal-preppable breakfasts? Check out my healthy blueberry baked oatmeal for another fruit-filled option.

More Oatmeal Recipes

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5 from 4 votes

Easy Blueberry Overnight Oats (Protein Option)

Prep: 10 minutes
Cook: 0 minutes
Chill Time: 12 hours
Total: 12 hours 10 minutes
This Blueberry Overnight Oats recipe is the ultimate easy breakfast—creamy, healthy, and bursting with juicy blueberries. It’s gluten-free, dairy-free, and made in just one bowl. Perfect for busy mornings and meal prep, these oats chill overnight and are ready to grab-and-go the next morning.

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Servings: 5

Ingredients

  • 2 1/4 cups Gluten Free Rolled Oats I used Bob’s Red Mill
  • 1 cup fresh blueberries can use frozen
  • 1/4 cup chia seeds
  • 2 Tablespoons maple syrup
  • 1 teaspoon vanilla extract
  • 1 teaspoon ground cinnamon
  • 1/2 teaspoon salt
  • 2 1/2 cups dairy free milk cashew, almond, coconut etc.
  • 2 scoops vanilla protein powder optional

Instructions 

  • In a large bowl, combine all of the ingredients and stir with a wooden spoon to incorporate.
    2 1/4 cups Gluten Free Rolled Oats, 1 cup fresh blueberries, 1/4 cup chia seeds, 2 Tablespoons maple syrup, 1 teaspoon vanilla extract, 1 teaspoon ground cinnamon, 1/2 teaspoon salt, 2 1/2 cups dairy free milk
  • Cover mixture with plastic wrap or divide mixture into 4-5 separate containers and cover then place in the refrigerator overnight or up to 12 hours.
  • Eat and share immediately or save for the week for meal prep.
Last step! If you make this, please leave a review letting us know how it was!

Notes

  • Swap the Fruit: Try strawberries, raspberries, or ripe bananas instead of blueberries.
  • Change the Milk: coconut, cashew, almond milk—You can really use any kind of milk that you like.
  • Mix-Ins: Add nuts, lemon zest, hemp seeds or flax seeds, or shredded coconut is a great way to add extra texture and nutrition. Drizzle peanut butter or almond butter on top for some extra healthy fats.
  • Warm It Up: If you prefer warm oats, heat a serving in the microwave for 30-60 seconds before eating.
  • Use Fresh or Frozen Blueberries: Frozen blueberries will thaw overnight, releasing their juices and adding natural sweetness.
  • Adjust the Sweetness: Maple syrup adds just the right touch, but you can increase or decrease it based on your taste.
  • Meal Prep Like a Pro: Use glass mason jars or small containers with lids to portion out servings. This makes breakfast super convenient all week long.
  • Protein Power: Adding vanilla protein powder not only ups the protein but also makes the oats extra creamy.
  • Keep your overnight oats fresh by storing them in an airtight container in the fridge for up to 5 days. The longer they sit, the creamier they get, making them perfect for meal prep!
  • If you’re adding fresh fruit, nuts, or granola, wait to add those right before eating to keep everything fresh and crunchy.
  • Overnight oats don’t freeze well due to the change in texture when thawed. Stick to refrigerating for the best results.

Nutrition

Serving: 1serving | Calories: 269kcal | Carbohydrates: 44.9g | Protein: 10.6g | Fat: 3.4g | Cholesterol: 2.5mg | Sodium: 287mg | Fiber: 8.2g | Sugar: 14.1g

Nutrition information is automatically calculated, so should only be used as an approximation.

Recipe by: Molly Thompson of What Molly Made | Photography by: Sierra Inn

This post may contain affiliate links. Read our disclosure policy.

5 from 4 votes (4 ratings without comment)

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8 Comments

  1. Linda says:

    Delicious! I forgot to spray the bottom so the bottom of it got a bit stuck, but the taste was still there. I opted to melt the butter in a pan before pouring it in and I wonder if it makes a difference whether or not I pour the butter in while hot or a little cooled down. All in all, would make again!

    #WhatWEMade

  2. Nancy Ericksen says:

    Could you please let me know how many pts this is Weight Watchers. This is the first oatmeal of this kind I am actually going to make. Thank you. Nancy Ericksen

  3. Nia Carignan says:

    I was not expecting this to be as delish as it is! Love it!

  4. Amy says:

    This sound wonderful! Thanks for sharing!

    1. Molly Leonard says:

      Welcome, Amy!

  5. Albert Bevia says:

    This looks so healthy and tasty, love the addition of chia seeds and dates to the recipe…impressive stuff!

  6. Stine Mari says:

    Healthy can be yummy, and this looks like it is! (And I loved your About Me in the sidebar, you seem very positive and loving, keep it up!)

    1. Molly Leonard says:

      Thanks, Stine! Appreciate it!