If you love easy, make-ahead breakfasts, these blueberry overnight oats will quickly become a favorite. My overnight oats obsession began with a pumpkin version and branched into cinnamon roll, mango, and other fruit combinations. After refining the method over the years, this simple blueberry variation is reliably creamy, flavorful, and satisfying.
Each summer we pick blueberries at a small neighborhood farm and always come home with more than the kids can eat. After muffins and dump cakes, these oats are my go-to for turning extra berries into a nutritious breakfast that’s ready when we are.
This recipe uses just a few basic ingredients and takes only minutes to assemble the night before—perfect for busy mornings.

Make breakfast fun!
This recipe is playful and appealing to kids. Bright colors and a little hands-on mixing make breakfast more exciting. If you use a cube of frozen blueberry puree or stir in frozen berries, the oats take on a lovely purple hue that kids find irresistible. Let them help assemble their jars and enjoy the morning excitement when they open a vibrant, ready-to-eat breakfast.
Best of all, this is a no-cook recipe that saves time: prepare it the night before and enjoy a filling breakfast that keeps you energized into the morning.
Ingredients

- Old fashioned rolled oats – these give the best texture for overnight oats. Avoid instant oats if you prefer a bit of chew.
- Milk – dairy milk works well, but almond, soy, oat, or coconut milks are great alternatives for dairy-free versions.
- Blueberries – use frozen berries or a cube of blueberry puree for vivid flavor and color. Fresh berries can be used as a topping.
- Greek yogurt – adds creaminess and protein; swap for a plant-based yogurt to make the recipe dairy-free.
Frozen blueberries vs. blueberry puree
You can use either whole frozen blueberries or frozen blueberry puree. Frozen berries soften and release color and flavor as they thaw, while a blueberry puree cube will melt into the oats and create a more uniform purple hue. If you prefer to reserve fresh berries, use them as a topping so they stay plump and bright.

If you choose to use fresh berries instead of frozen, consider adding an extra splash of milk for a creamier consistency and a drizzle of maple syrup for extra sweetness if desired.
Tools for success
You don’t need fancy equipment, but a few items make assembly and storage easier:
- Mason jars – 8 oz wide-mouth jars are ideal for single servings and stack nicely in the fridge.
- Bulk oats – buying rolled oats in larger quantities saves money and reduces packaging waste.
- Measuring cups or a small scoop – handy for portioning oats and other dry ingredients quickly.
Step by Step Instructions
Assemble your jars on the counter and gather lids. A rimmed baking sheet can help contain spills while you assemble multiple servings.
Tip: Place jars on a baking sheet for easy cleanup.
Measure oats into each jar, then add Greek yogurt and pour in the milk. Nestle the frozen blueberries or a blueberry puree cube into the oats. Seal the jar and refrigerate for at least 12 hours, or up to one week.


When ready to eat, open the jar and stir to combine. Add any desired toppings and enjoy.

Toppings we love
Toppings are optional but fun—try:
- Chopped pecans or sliced almonds
- Fresh blueberries
- Chia seeds
- A sprinkle of brown sugar
- A dash of cinnamon

Variations in flavor
This base is versatile. Swap the blueberry puree for cherry, strawberry, or banana puree, or stir in other fruits like peaches or raspberries to create new flavor combinations. Adjust the yogurt or milk type to match dietary preferences.
Storage tips
Store filled jars in the refrigerator for up to one week. If you’re taking a jar on the go, keep it cool with an ice pack until consumed.
More easy breakfast ideas
-
Passover Rolls (Easy Matzo Meal Sandwich Rolls)
-
One Bowl All Bran Muffins (7-Ingredients)
-
5-Ingredient Pina Colada Smoothie
-
5 Ingredient Make Ahead French Toast Sticks
Did you try this recipe and love it? Leave a comment or a rating to share your experience.
📖 Recipe

Simple Blueberry Overnight Oats
A quick, make-ahead breakfast: oats, milk, Greek yogurt, and blueberries combine overnight into a creamy, fruity jar you can enjoy straight from the fridge. Great for busy mornings and easy to adapt to dietary needs.
Prep Time: 5 mins
Chill Time: 12 hrs
Total Time: 12 hrs 5 mins
Course: Breakfast
Servings: 1 serving
Calories: 250 kcal
Equipment
- Mason jar (8 oz wide-mouth recommended)
Ingredients
- 1/2 cup old fashioned rolled oats
- 1/2 cup milk (dairy or plant-based)
- 1/4 cup frozen blueberries OR 1 cube frozen blueberry puree
- 1 TB Greek yogurt (or plant-based yogurt)
Instructions
- Place oats in a clean 8 oz wide-mouth mason jar. Top with Greek yogurt and pour in the milk.
- Nestle the frozen blueberries or a blueberry puree cube into the oats.
- Cover and refrigerate for at least 12 hours or up to one week.
- When ready to eat, stir to combine and add any preferred toppings such as fresh blueberries, nuts, or seeds.
Notes
- Add a little more or less liquid to adjust creaminess and texture to your preference.
- Make multiple jars at once by scaling the ingredients—this recipe doubles or triples easily.
- Gluten free: Choose oats labeled certified gluten free if needed.
- Dairy free: Substitute dairy yogurt and milk with coconut, almond, or oat-based alternatives.
Nutrition
Calories: 250 kcal • Carbohydrates: 39 g • Protein: 10 g • Fat: 7 g • Fiber: 5 g • Sugar: 10 g
FAQ’s
Old fashioned rolled oats provide the best texture for overnight oats. Quick oats tend to become very soft, and steel cut oats do not absorb liquid as consistently.
Yes. For a large batch, combine the dry ingredients in a bowl and portion into jars, then measure and distribute the wet ingredients. This speeds up assembly for multiple servings.
Yes. To make it gluten free, use oats labeled gluten free. To make it dairy free, swap the Greek yogurt and milk for plant-based alternatives such as coconut or almond yogurt and your preferred non-dairy milk.