Dessert

Blueberry Lemon Overnight Oats Recipe

Name: Blueberry Lemon Overnight Oats Recipe
Prep time: 15 min
Cook time: 20 min
Total time: PT-488149H50M16S
Cuisine: American
Ingredients: 2⅓ cups frozen blueberries; 3 tablespoons maple syrup (or sugar); 2 cups milk; 1 cup Greek yogurt (ideally lemon flavored yogurt); 2 cups rolled oats; 4 tablespoons chia seeds; 4 tablespoons maple syrup; 1 teaspoon vanilla extract; 1 pinch salt; Zest of 1 lemon

ByElla Hart August 28, 2025August 28, 2025

Jump to Recipe

Blueberry Lemon Overnight Oats are like a burst of sunshine on your breakfast table—fresh, zesty lemon mingles with luscious blueberries and creamy oats for an utterly irresistible morning treat. Whether you’re looking to brighten up a weekday routine or aiming for a meal-prep win, this recipe is just what you need to start your day beaming. Each spoonful delivers that delicate balance of sweet and tart, creamy and juicy, making it an all-time favorite.

Blueberry Lemon Overnight Oats Recipe - Recipe Image

Ingredients You’ll Need

These Blueberry Lemon Overnight Oats come together with just a handful of pantry and fridge staples, each bringing something special to the bowl. The simplicity belies their magic—every ingredient offers something, from flavor to texture to eye-catching color.

Frozen blueberries: Their deep color and juicy tang are the star, creating a vibrant homemade sauce.
Maple syrup (or sugar): Brings gentle sweetness that highlights both blueberries and lemon without overpowering them.
Milk: Acts as the base for creamy oats, and you can customize with any milk, from dairy to plant-based.
Greek yogurt (preferably lemon flavored): Adds luxurious creaminess and tang while also amping up the lemony goodness.
Rolled oats: The quintessential building block—choose old-fashioned for the best texture when soaked overnight.
Chia seeds: These little powerhouses help thicken the oats while adding a gentle crunch and a boost of fiber.
Maple syrup: Naturally sweetens the oats and marries all the flavors together harmoniously.
Vanilla extract: A dash brings a warming aroma and depth to each spoonful.
Salt: Just a pinch wakes up all the other flavors for a brighter bowl.
Zest of 1 lemon: The real secret to that fresh, zingy flavor—don’t skip it!

How to Make Blueberry Lemon Overnight Oats

Step 1: Make the Blueberry Sauce

Add the frozen blueberries and maple syrup to a medium saucepan and set it over medium heat. As the berries begin to thaw and bubble, stir and gently mash them to help release all that gorgeous juice. Keep cooking for 10 to 20 minutes, until it transforms into your ideal sauce—smooth and jammy, or a little chunky for more texture. Take it off the heat and let it cool completely before tucking it in the fridge.

Step 2: Mix the Oat Base

In a large mixing bowl, combine the milk, Greek yogurt, rolled oats, chia seeds, maple syrup, vanilla extract, salt, and the all-important lemon zest. Stir everything together thoroughly so every oat and chia seed gets coated in lemony goodness. The mixture should look creamy and evenly mixed.

Step 3: Chill and Set

Cover the bowl tightly with a lid or plastic wrap, and refrigerate for at least three hours—or, if you’re prepping ahead, overnight. This time in the fridge allows the oats and chia seeds to absorb all those beautiful flavors and thicken to just the right, spoonable consistency.

Step 4: Layer and Serve

When morning comes (or your oats are fully set), split the cooled blueberry sauce between four jars or bowls. Give the oat mixture a quick stir, then spoon it over the sauce. Top with extra lemon zest, a sprinkle of fresh blueberries, or anything that sparks joy for you—the breakfast layering makes every bite gorgeous, inside and out.

How to Serve Blueberry Lemon Overnight Oats

Garnishes

To make your Blueberry Lemon Overnight Oats really pop, try topping them with extra lemon zest and a handful of fresh blueberries. A sprinkle of chia seeds or a drizzle of honey will give them an extra bit of sparkle and a satisfying finishing touch.

Side Dishes

Pair your oats with a hot cup of coffee or a refreshing citrus smoothie to create a balanced breakfast. For extra fuel, add a side of scrambled eggs or a few slices of whole-grain toast.

Creative Ways to Present

Serve your Blueberry Lemon Overnight Oats in clear glass jars or parfait glasses to show off those beautiful layers. Swirl the blueberry sauce through the oats for an eye-catching marbled look, or prep individual jars in advance for easy grab-and-go breakfasts throughout the week.

Make Ahead and Storage

Storing Leftovers

After combining and layering your Blueberry Lemon Overnight Oats, they’ll keep perfectly in sealed containers in the refrigerator for up to five days. The flavors only meld and improve over time, making them even more delightful as the week goes on.

Freezing

If you’d like to prep further in advance, you can freeze the oat mixture on its own for up to a month. Thaw overnight in the fridge, then add fresh garnishes or the blueberry sauce just before serving for best texture and flavor.

Reheating

Although Blueberry Lemon Overnight Oats are meant to be enjoyed cold, you can gently warm individual portions in the microwave for 30 to 60 seconds if you prefer a cozy, comforting bowl. Give them a stir to even out the temperature, and add extra milk if needed to loosen them back up.

FAQs

Can I use fresh blueberries instead of frozen?

Absolutely! Fresh blueberries work wonderfully in the sauce—just keep an eye on the cooking time, as they might break down a bit faster than frozen ones. Either version brings loads of flavor to your Blueberry Lemon Overnight Oats.

Is it okay to use non-dairy milk or yogurt?

Yes! Both non-dairy milks and plant-based yogurts make delicious Blueberry Lemon Overnight Oats. Just be sure to pick varieties you enjoy on their own for best results.

Can I add protein powder to the recipe?

You sure can. Stir your protein powder into the oat mixture in step 2. It thickens things slightly, so you may want to add an extra splash of milk if the oats seem too dense after chilling.

What can I use instead of chia seeds?

Flax seeds are a good alternative to chia for thickening and adding nutrition, though the texture will be a bit softer. If you skip both, your oats will be looser but still tasty.

How far in advance can I make these oats?

Blueberry Lemon Overnight Oats are best when enjoyed within five days of making. They’re a fantastic meal-prep option, since the flavor holds up and the texture stays great for days in the fridge.

Final Thoughts

There’s just something joyful about waking up to a bright, zesty bowl of Blueberry Lemon Overnight Oats! I hope you give them a try—once you do, I bet they’ll become your new favorite breakfast make-ahead. Enjoy every creamy, fruity spoonful, and happy eating!