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Blended Brownie Batter Overnight Oats

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By :

Harmony

Published:

December 3, 2025

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Creamy brownie batter overnight oats with raspberries and chocolate chips

Blended Brownie Batter Overnight Oats start with a few simple ingredients you likely already have in your pantry. This recipe is wonderfully forgiving, so feel free to make swaps based on what you have on hand or your dietary preferences.

For the base recipe:
1 cup old-fashioned rolled oats
2 tablespoons unsweetened cocoa powder or cacao powder
2 tablespoons pure maple syrup or honey
1 cup unsweetened almond milk or milk of choice
1 tablespoon chia seeds
1/2 teaspoon vanilla extract
Pinch of sea salt

Optional add-ins for extra richness or protein:
2 tablespoons creamy almond butter or peanut butter
1/4 cup plain Greek yogurt or dairy-free alternative
1 scoop chocolate protein powder
2 tablespoons mini chocolate chips

For topping ideas:
Fresh berries
Sliced banana
Chopped walnuts or pecans
A drizzle of nut butter
Extra chocolate chips

If you are looking for another no bake treat that feels like dessert, you will love these No Bake Cookie Butter Icebox bars. They share that same make ahead magic.

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Blended Brownie Batter Overnight Oats

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This recipe transforms simple ingredients into a decadent, no-cook breakfast that tastes like dessert. Blended oats create a smooth, brownie-batter texture, perfect for make-ahead mornings. It is easily customizable for various dietary needs and packed with fiber and protein.

  • Author: Harmony
  • Prep Time: 5min
  • Cook Time: 0min
  • Total Time: 4h 5min
  • Yield: 2 servings 1x
  • Category: breakfast
  • Method: No-Cook, Blending
  • Cuisine: American
  • Diet: Vegan Option, Gluten-Free Option

Ingredients

Scale
  • 1 cup old-fashioned rolled oats
  • 2 tablespoons unsweetened cocoa powder or cacao powder
  • 2 tablespoons pure maple syrup or honey
  • 1 cup unsweetened almond milk or milk of choice
  • 1 tablespoon chia seeds
  • 1/2 teaspoon vanilla extract
  • Pinch of sea salt
  • Optional: 2 tablespoons creamy almond butter or peanut butter
  • Optional: 1/4 cup plain Greek yogurt or dairy-free alternative
  • Optional: 1 scoop chocolate protein powder
  • Optional: 2 tablespoons mini chocolate chips

Instructions

  1. Add the rolled oats, cocoa powder, chia seeds, and a pinch of salt to a blender. Pulse a few times to break down the oats.
  2. Pour in the almond milk, maple syrup, and vanilla extract. Add any optional ingredients like nut butter, yogurt, or protein powder.
  3. Blend on high for 30 to 60 seconds until completely smooth and the mixture resembles a thick brownie batter. Scrape down the sides if needed.
  4. Divide the mixture evenly between two jars or airtight containers. Stir, then secure the lids.
  5. Refrigerate for at least 4 hours, or ideally overnight, to allow the oats and chia seeds to soften and thicken.
  6. Before serving, stir the oats well. Add desired toppings like fresh berries, sliced banana, chopped nuts, or extra chocolate chips.

Notes

Do not use steel-cut oats as they will not soften properly. The mixture can be stored in the refrigerator for up to 5 days. If the oats become too thick, stir in a splash of milk to reach your desired consistency. For a vegan version, use maple syrup and dairy-free milk and yogurt.

Nutrition

  • Serving Size: 2
  • Calories: 285
  • Sugar: 18
  • Sodium: 150
  • Fat: 7
  • Saturated Fat: 1
  • Unsaturated Fat: 5
  • Trans Fat: 0
  • Carbohydrates: 50
  • Fiber: 9
  • Protein: 8
  • Cholesterol: 0

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NOTE: READ FULL ARTICLE FOR MORE DETAILS

Ingredients for Blended Brownie Batter Overnight Oats

Timing

One of the best parts of these blended brownie batter overnight oats is how little active time they require. You can have a week of breakfasts ready in just minutes.

Prep time: 5 minutes
Cook time: 0 minutes
Chill time: 4 hours or overnight
Total time: 4 hours 5 minutes (mostly hands-off)

This is about 80% faster than cooking a pot of traditional stovetop oatmeal in the morning, and you get that incredible brownie batter texture that regular oats just cannot match.

Step-by-Step Instructions

Making these brownie batter blended overnight oats is as simple as blend, pour, and chill. Here is how to achieve that perfect creamy, dessert-like consistency.

Step 1: Combine Your Base Ingredients

Add the rolled oats, cocoa powder, chia seeds, and a pinch of salt to your blender. Pulse a few times to break the oats down slightly before adding the liquids. This helps create a smoother texture.

Step 2: Add Liquids and Flavor

Pour in the almond milk, maple syrup, and vanilla extract. If you are using any optional add-ins like protein powder, nut butter, or Greek yogurt, add them now. This is the secret to making your brownie batter chocolate overnight oats extra rich and satisfying.

Step 3: Blend Until Smooth

Secure the lid on your blender and blend on high for 30 to 60 seconds, or until the mixture is completely smooth and looks like a thick, dark brownie batter. Stop to scrape down the sides if needed. You do not want any gritty bits of oat left.

Step 4: Transfer and Chill

Divide the mixture evenly between two jars or airtight containers. Give it a stir, then screw on the lids. Place them in the refrigerator for at least 4 hours, but ideally overnight. This resting time is non-negotiable for the oats and chia seeds to fully soften and thicken the mixture into a pudding-like consistency.

Step 5: Serve and Enjoy

The next morning, give your blended brownie batter overnight oats a good stir. They will be thick, creamy, and ready to eat. Add your favorite toppings and dive into a breakfast that truly tastes like a treat.

Nutritional Information

This recipe is not just delicious, it is genuinely nourishing. Based on the base recipe without optional add-ins, one serving provides approximately:

Calories: 285
Protein: 8g
Carbohydrates: 50g
Fiber: 9g
Sugar: 18g (primarily from natural maple syrup)
Fat: 7g

The old-fashioned oats and chia seeds provide a fantastic source of soluble fiber, which is great for digestive health and keeping you full all morning. The cocoa powder is rich in antioxidants. If you add Greek yogurt or protein powder, you will significantly boost the protein content, making these brownie overnight oats healthy and power-packed.

Equipment Needed

You do not need any fancy equipment to learn how to make brownie batter overnight oats. A good blender is the only key tool.

A high-speed blender or a good quality immersion blender.
Two 12-ounce jars or airtight containers with lids for storing your creation.
A measuring cup and spoons.
A spatula for scraping every last bit of that delicious batter out of the blender.

Why You’ll Love This Recipe

This recipe has become a staple in my home for so many reasons, and I think you will find the same.

It tastes like dessert for breakfast. The rich, chocolatey flavor and smooth, creamy texture are genuinely decadent.
It is the ultimate grab and go meal. Your future self will thank you on busy weekday mornings.
It is easily customizable. You can make it vegan, add more protein, or switch up the toppings to keep it exciting all week long.
It uses simple, whole ingredients. You can feel good about serving this to your family.
It requires no cooking at all. Just a few minutes of blending and the fridge does the rest of the work.

For another fantastic no bake dessert that is perfect for parties, check out these crowd pleasing Oreo Balls.

Healthier Alternatives for the Recipe

One of the best things about this brownie batter oats recipe is how easily it adapts to different dietary needs and health goals.

For a vegan version, simply use maple syrup instead of honey and ensure your chocolate chips are dairy-free.
To make it gluten-free, use certified gluten-free rolled oats.
For a higher protein version, add a scoop of your favorite chocolate protein powder or an extra tablespoon of Greek yogurt. This is my go to for keeping my kids full until lunch.
To reduce the sugar, you can cut the maple syrup in half and add a mashed ripe banana to the blender for natural sweetness.
If you are nut-free, use oat milk or soy milk instead of almond milk, and sunflower seed butter in place of nut butter.

Recipe variations for Blended Brownie Batter Overnight Oats

Serving Suggestions

While these blended brownie batter overnight oats are delicious straight from the jar, a few toppings can make them feel extra special.

I love adding a handful of fresh raspberries for a pop of tartness that cuts through the chocolate.
Sliced bananas and a sprinkle of chopped walnuts create a classic flavor combination.
A dollop of whipped cream or coconut cream turns it into a true dessert parfait.
For a crunchy contrast, a sprinkle of cacao nibs or granola is wonderful.
A little drizzle of peanut butter or almond butter makes it even more rich and satisfying.

If you enjoy chocolate and pumpkin together, my Pumpkin Choc Chip Muffins are another great breakfast option that you can bake ahead of time.

Common Mistakes to Avoid

After making countless batches of these brownie batter blended oats, I have learned a few pitfalls to avoid for the perfect texture and flavor.

Do not use steel-cut oats. They will not soften properly and will result in a gritty texture. Old-fashioned rolled oats are essential.
Do not skip the chilling time. The oats and chia seeds need those hours in the fridge to absorb the liquid and create the signature thick, creamy consistency. Four hours is the minimum, but overnight is best.
Avoid over-blending. While you want a smooth mixture, blending for too long can sometimes make the oats gummy. Thirty to sixty seconds is usually perfect.
Taste before you chill. Once you have blended the mixture, dip a spoon in to taste it. This is the best time to adjust the sweetness or chocolate level to your liking.
Do not forget to stir before serving. The ingredients may separate slightly in the fridge, so a good stir is key to recombining everything into that luscious brownie batter texture.

Storing Tips for the Recipe

These blended brownie batter overnight oats are a meal prep dream. Here is how to keep them tasting fresh.

Your prepared brownie batter chocolate overnight oats will keep perfectly in sealed containers in the refrigerator for up to 5 days. This makes them ideal for making on a Sunday and enjoying throughout the work week.
I do not recommend freezing this particular recipe, as the texture of the oats can become watery and unpleasant upon thawing.
If you find your oats have thickened too much in the fridge after a day or two, simply stir in a splash of milk until you reach your desired consistency again.
For the best experience, add any fresh fruit toppings right before you eat them, not before storing, to prevent them from getting soggy.

Storage and leftovers for Blended Brownie Batter Overnight Oats

For another fantastic make ahead dessert that is always a hit, my No Bake Gingerbread Cheesecake Cups are a must try during the holiday season.

Conclusion

These blended brownie batter overnight oats have truly transformed our morning routine. They prove that you do not have to choose between a healthy start and a delicious, indulgent tasting breakfast. This brownie batter blended overnight oats recipe is the perfect solution for busy families, meal preppers, and anyone with a sweet tooth. I hope this recipe brings as much joy and convenience to your kitchen as it has to mine.

If you give this recipe a try, I would love to hear how it turned out for you. Leave a comment below and let me know your favorite way to top them. And do not forget to tag @HarmonyMeal on Pinterest if you share a photo. Happy blending.

FAQs about Blended Brownie Batter Overnight Oats

How do you make overnight oats taste like brownies?

To achieve a brownie batter flavor, incorporate ingredients like unsweetened cocoa powder, a sweetener (e.g., maple syrup, stevia), a pinch of salt, and often a touch of vanilla extract. Blending oats with milk and these ingredients creates a smooth, dessert-like consistency. Adding mini chocolate chips or a swirl of melted chocolate can further enhance the experience.

What is the chocolate overnight oats trend?

The chocolate overnight oats trend involves preparing a make-ahead breakfast by soaking oats in milk (dairy or non-dairy) with cocoa powder, sweeteners, and sometimes protein powder or other mix-ins. It’s popular for its convenience, rich flavor, and nutritional benefits, offering a healthy twist on a dessert-like breakfast.

Can you blend oats and milk the night before?

Yes, you can absolutely blend oats and milk the night before. This is the core method for “blended overnight oats,” resulting in an exceptionally creamy, smooth texture similar to a pudding or milkshake. The blending process helps the oats absorb the liquid more thoroughly and creates a uniform consistency.

Are overnight oats good for weight loss?

Overnight oats can be a beneficial component of a weight-loss diet due to their high fiber content, which promotes satiety and helps regulate digestion. They are also easily customizable with lean protein sources (like protein powder or Greek yogurt) and healthy fats, helping you feel full and satisfied, which can prevent overeating.

What is the secret to good overnight oats?

The secret to good overnight oats lies in the proper ratio of oats to liquid (typically 1:1 or 1:1.5), allowing sufficient soaking time (at least 4-6 hours, preferably overnight), and choosing quality ingredients. Customization with flavorings, sweeteners, and mix-ins that suit your taste also plays a crucial role. For blended oats, achieving a smooth consistency is key.

What is the point of blending overnight oats?

Blending overnight oats transforms their texture from traditional grainy oats to a remarkably smooth, creamy, and pudding-like consistency. This method is preferred by those who dislike the chewiness of unblended oats and desire a more decadent, dessert-like breakfast experience, often mimicking the texture of a mousse or smoothie.

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