Strawberry Blueberry Overnight Oats

These Strawberry Blueberry Overnight Oats are fresh, flavorful, and a delicious fiber and protein-packed breakfast that’s easy to prep.

a small bowl of light purple-hued strawberry blueberry overnight oats

It’s no secret how much I love overnight oats, with the plethora of overnight oats you can find here on Nutrition to Fit – black forest overnight oats, chocolate chip cookie dough overnight oats, mango overnight oats, cinnamon roll overnight oats, and (my personal favorite) chocolate protein overnight oats.

As a dietitian, I love how overnight oats can have such a fantastic balance of high fiber whole grains and seeds, with ways to make them high protein, too.

And as a busy mom, I love how low maintenance they are to prep, making our busy mornings even easier.

So let’s make my current favorite – blueberry strawberry overnight oats!


For a full ingredient list with quantities, please check out the recipe card at the bottom of this post.

ingredient to make strawberry blueberry overnight oats
  • Strawberries – you can use fresh or frozen! If using frozen, I recommend thawing them enough that you can chop them into smaller, more bite-sized pieces.
  • Blueberries – again, fresh or frozen! I actually prefer using frozen blueberries here, because the thawed blueberry juices add such a pretty color and more flavor.
  • Greek yogurt – a little plain Greek yogurt adds extra creaminess, plus nutrients like protein and calcium.
  • Milk of choice – use whatever milk you prefer to drink.
  • Oats – I always recommend old fashioned oats for the best overnight oats texture. If you’re using a quick oat, know that the dry/ liquid ratio may need to be adjusted slightly! (And of course, please use certified gluten-free oats if you need a gluten-free version of this recipe!)
  • Chia seeds – help create the delicious texture here, plus add heart healthy fats and fiber.
  • Flax seeds – another healthy fat and fiber boost! I know they’re not traditional in most overnight oats recipes, but I love adding ground flax seeds for a little extra nutritional variety.
  • Vanilla – A little vanilla flavor pairs perfectly with the berries.
  • Sweetener – may or may not be needed, depending on other ingredients. If you’re adding a sweetened protein powder, yogurt, or milk, you likely can skip any additional sweetener.
  • Protein – If protein powders aren’t your thing, or you’re making for kids/ want to keep these protein powder free, feel free to skip. I love adding a scoop of vanilla protein powder, or (my personal go-to here) a couple scoops of unflavored collagen peptides, for a flavorless, easy protein boost.

How to Make Blueberry Strawberry Overnight Oats

For complete instructions, please check out the recipe card at the bottom of this post.

ingredients in a jar to stir to make blueberry strawberry overnight oats
  1. If using frozen berries, thaw them for 30 seconds in the microwave.
  2. Add remaining overnight oats ingredients and stir to combine.
  3. Seal the jar and refrigerate overnight, or at least 4 hours.

Overnight Oats Tips

  • Save some dirty dishes by prepping them in the same container you’re storing them in!
  • Overnight oats can be eaten hot or cold. Many, myself included, enjoy them chilled straight from the fridge, but you can also warm them in the microwave if you prefer.
  • Adjust thickness to your preference. I don’t like thin overnight oats, so I default to making them a little thicker. Besides – you can always add a little extra milk before eating (but it’s harder to thicken them up again!).
  • Are overnight oats healthy? They absolutely can be an incredibly nutrient-dense, healthy option if you like them! Read more in my article, “Are Overnight Oats Healthy?” (This article also addresses unfounded concerns over the safety of consuming oats and phytates without the oats being cooked – spoiler, it’s fine!)
a bowl of blueberry strawberry overnight oats garnished with more strawberries and blueberries

Substitutions & Variations

  • Gluten-Free: use certified gluten-free oats, and if you’re adding protein powder, make sure it’s dairy-free.
  • Dairy-Free: use a plant-based milk of choice. Use a plant-based Greek-style yogurt alternative, or skip and use another 1/4 cup of plant-based milk. And avoid whey, casein, or other dairy-derived protein powders!
  • Nut-Free: These are naturally nut-free with the recipe as written, just don’t use a nut-based milk alternative!
  • Vegan: use a vegan milk and protein option. For the yogurt, use a plant-based Greek-style yogurt alternative, or skip and use another 1/4 cup of plant-based milk.
  • Sugar-Free: stick with plain/ no added sugar Greek yogurt, and be use a milk and protein powder that don’t have added sugar. Also – there is a little optional sweetener in the recipe. If your protein powder is sweetened, you may not need it at all. But if you’re using an unsweetened protein powder/ want a little extra sweetness, use your preferred sugar substitute (I personally enjoy allulose!)

Storage, Freezing, & Reheating

Overnight oats can be stored in airtight containers in the refrigerator for up to 4-5 days.

You can freeze overnight oats, but be sure to stir well after thawing in the fridge overnight.

And if you’re someone who enjoys your overnight oats warm, reheat them in a microwave for 30-60 seconds.

a spoonful of brightly colored strawberry blueberry overnight oats

WATCH: Strawberry Blueberry Overnight Oats VIDEO

Supplies You’ll Need

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More Overnight Oats Recipes You’ll Love

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a small bowl of light purple-hued strawberry blueberry overnight oats

Strawberry Blueberry Overnight Oats

These Strawberry Blueberry Overnight Oats are fresh, flavorful, and a delicious fiber and protein-packed breakfast that's easy to prep.
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Course: Breakfast
Cuisine: American
Prep Time: 10 minutes
Set Time: 4 hours
Total Time: 4 hours 10 minutes
Servings: 1
Calories: 329kcal
Author: Lindsey


  • ¼ cup blueberries thawed if frozen
  • ¼ cup strawberries diced
  • ¼ cup Greek yogurt plain
  • ½ teaspoon vanilla extract
  • 1 teaspoon sweetener optional
  • ½ cup milk of choice
  • ¼ cup old-fashioned oats
  • 1 tablespoon chia seeds
  • 1 tablespoon ground flax seeds
  • 1 scoop protein powder or collagen peptides unflavored or vanilla


  • If using frozen blueberries, place them first in the jar, then microwave 30-45 seconds until thawed.
    1/4 cup blueberries
  • Add remaining ingredients and stir to thoroughly combine.
    1/4 cup strawberries, 1/4 cup Greek yogurt, 1/2 teaspoon vanilla extract, 1 teaspoon sweetener, 1/2 cup milk of choice, 1/4 cup old-fashioned oats, 1 tablespoon chia seeds, 1 tablespoon ground flax seeds, 1 scoop protein powder or collagen peptides
  • Seal jar and transfer to the fridge. Refrigerate overnight, or at least 4 hours.
  • Stir again prior to serving, and adjust consistency if you need to by adding a splash or two more milk to thin to your preference. Enjoy!


Nutrition information is an approximation only, and will vary based on ingredients you use. (This used plain, fat free Greek yogurt, unsweetened almond milk, monk fruit, and unflavored collagen peptides.)


Calories: 329kcal | Carbohydrates: 39g | Protein: 30g | Fat: 10g | Saturated Fat: 1g | Polyunsaturated Fat: 6g | Monounsaturated Fat: 2g | Trans Fat: 0.02g | Cholesterol: 3mg | Sodium: 297mg | Potassium: 336mg | Fiber: 10g | Sugar: 8g | Vitamin A: 33IU | Vitamin C: 25mg | Calcium: 318mg | Iron: 2mg

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