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Rich, chocolatey and ready before you are, these brownie batter overnight oats taste like dessert but are packed with protein to fuel busy mornings. Stir everything together in a mason jar at night, and breakfast is waiting in the fridge.
My Go-To Breakfast for Busy Mornings
As a busy working mom, mornings can often feel like a chaotic rush to get everyone out the door on time. Amidst the hustle and bustle, finding the time to prepare a nutritious breakfast can seem like an impossible task. However, with a little bit of planning and preparation, it’s entirely possible to enjoy a delicious and satisfying morning meal without sacrificing precious time.
That’s where brownie batter overnight oats come in. They’re a decadent yet wholesome breakfast you can whip up in advance and grab on the go, and my family really enjoys them.
We have family a few hours away, so during the holidays we spend plenty of mornings on the road. The night before a trip, I mix up a couple of jars for my husband and me to eat on the road for breakfast.
It saves us from grabbing something at a convenience store or stopping at a coffee shop, and it saves us money too. When we’re pulling out of the driveway early, it’s such a nice feeling to know a good breakfast is already packed and waiting.
On nights when I’m already in the kitchen cleaning up dinner or feeding my sourdough starter, mixing a jar of these takes just a few extra minutes. The next morning I’m so thankful I did.
Equipment You’ll Need
To prepare these Brownie Batter Overnight Oats, you’ll need:
Why You’ll Love This Recipe
- It tastes like brownie batter. Cocoa, chocolate protein powder and mini chocolate chips make breakfast feel like a treat.
- No cooking required. The fridge does the work overnight.
- Protein-packed. A scoop of protein powder helps keep you full through a busy morning.
- Perfect for meal prep. Double or triple the recipe and you have grab-and-go breakfasts for the next few days.
- Road-trip friendly. Pack a jar in the cooler for an easy breakfast in the car instead of a pricey drive-thru stop.
- Easy to customize. Make it sweeter, more chocolatey, or nut-free to suit your family.
What Makes Brownie Batter Overnight Oats So Delicious
The secret to delicious Brownie Batter Overnight Oats is layering chocolate flavor in three ways. Unsweetened cocoa powder gives deep, rich chocolate flavor without extra sugar. Chocolate protein powder adds sweetness and creaminess.
Mini chocolate chips give you a little pocket of melty-looking chocolate in each spoonful. A splash of vanilla and a pinch of sea salt round it out, just as they would in a pan of homemade brownies. Salt brings out the sweetness in these brownie batter overnight oats and keeps the chocolate from tasting flat.
Then there’s the texture. As the oats soak in milk overnight, they soften and absorb the flavors of the other ingredients. The result is a thick, creamy mixture reminiscent of traditional oatmeal, a lot like a spoonable brownie batter. Chopped walnuts or pecans add the satisfying crunch you’d find in a classic nutty brownie.
Why I Choose Organic Ingredients
Whenever I can, I reach for organic oats, milk, cocoa and honey. For me it’s about knowing a little more about how my family’s food was grown and produced. With a simple recipe like this one, where just a handful of ingredients do all the work, I like choosing the best quality I can find. That said, this recipe for Brownie Batter Overnight Oats works beautifully with whatever you have in your pantry, so use what fits your family and your budget.
Ingredients
- ½ cup oats – The hearty base of your brownie batter overnight oats, providing fiber and lasting energy. Old-fashioned rolled oats give the best texture.
- 1 scoop chocolate protein powder – Boosts protein to help keep you full, and doubles down on the chocolate flavor.
- ¾ cup milk – Adds creaminess and softens the oats overnight. Dairy or plant-based milk both work.
- 1 T cocoa powder – Adds rich chocolate flavor without extra sugar.
- 1 tsp honey – A natural sweetener that balances the cocoa’s bitterness. Maple syrup works too.
- 1 tsp vanilla – Enhances flavor and gives a warm, comforting aroma.
- Pinch of sea salt – Brings out the sweetness and balances all the flavors.
- 1 T mini chocolate chips – A bit of indulgence and texture in every bite.
- 1 T chopped walnuts or pecans (optional) – A satisfying crunch and healthy fats for extra staying power.
Exact amounts and printable instructions are in the recipe card below.
Step-by-Step Instructions
- Combine the ingredients. In a mason jar or airtight container, add the rolled oats, protein powder, milk, cocoa powder, honey (or maple syrup), vanilla extract, mini chocolate chips, chopped nuts and a pinch of salt.
- Mix well. Use a spoon or fork to thoroughly mix everything together until it’s well combined and there are no clumps of cocoa powder.
- Refrigerate overnight. Cover the jar with a lid and refrigerate overnight, or for at least 4–6 hours. This lets the oats soften and absorb the flavors, giving you a creamy, delicious texture.
- Serve and enjoy. In the morning, give the oats a quick stir so everything is evenly distributed. Eat them straight from the jar or transfer to a bowl and add your favorite toppings, like fresh fruit, nuts or a few extra chocolate chips.
Tips for the Best Brownie Batter Overnight Oats
- Whisk the dry ingredients first. If cocoa clumps are a problem, stir the oats, protein powder, cocoa and salt together before adding the milk.
- Adjust the thickness. If your oats are too thick in the morning, stir in a splash of milk to loosen them.
- Sweeten to taste. Protein powders vary in sweetness. Taste in the morning and add a little more honey or maple syrup if you’d like.
- Go extra chocolatey. Chocolate lovers can add a bit more cocoa powder or a few more chocolate chips.
- Add crunchy toppings in the morning. Save granola or extra nuts for just before serving so they stay crisp.
- Meal prep a batch. Double or triple the recipe and divide it into individual jars for an easy week of breakfasts.
Common Mistakes to Avoid when making Brownie Batter Overnight Oats
- Using steel-cut oats. They need more time and don’t soften well without cooking. Quick oats can turn mushy. Rolled oats are the sweet spot.
- Not mixing thoroughly. Cocoa and protein powder love to clump at the bottom of the jar. Stir well, and get into the corners.
- Skipping the salt. Just a pinch makes the chocolate taste richer.
- Not soaking long enough. Give them at least 4–6 hours so the oats can fully soften.
- Adding granola the night before. It gets soggy, so add it right before eating.
How to Store Overnight Oats
Mason jars are the perfect container for meal prepping overnight oats. They’re portable, easy to clean and seal tightly. Store your brownie batter overnight oats in an airtight container or mason jar in the refrigerator for up to 3–4 days. If they thicken up in the fridge, add a splash of milk before serving.
What to Serve With Brownie Batter Overnight Oats
These brownie batter overnight oats are filling on their own, but here are a few ways to round out breakfast:
- Fresh fruit like sliced bananas, strawberries or raspberries, which pair perfectly with chocolate.
- A dollop of Greek yogurt for extra creaminess and protein.
- A drizzle of nut butter, such as peanut or almond butter, for a peanut-butter-brownie twist.
- A hot cup of coffee or tea for a slow weekend morning.
If you’re hosting brunch or want a warm option for the rest of the family, my Apple and Walnut Baked Oatmeal makes a lovely companion. And if you want to rotate flavors through the week, try my Banana Bread Overnight Oats or Vanilla Berry Protein Overnight Oats.
FAQs for Brownie Batter Overnight Oats
What type of oats should I use?
Old-fashioned rolled oats are the best choice for overnight oats. They soften perfectly overnight without becoming too mushy. Quick oats tend to get overly soft, and steel-cut oats need more time and don’t soften as well without cooking.
Can I use water instead of milk?
Yes, you can use water, but the oats won’t be as creamy or flavorful. For better taste, try dairy or a plant-based milk like almond, oat or soy.
Can I heat up overnight oats?
Absolutely! Overnight oats are usually eaten cold, but you can warm them in the microwave for 30–60 seconds if you prefer a cozy breakfast.
Can I make these without protein powder?
I typically always use chocolate protein powder in this recipe. I’ve swapped in Greek yogurt in other recipes before, but here it would likely soften the chocolate flavor and change the texture. If you’d like to try it, add a little extra cocoa powder and a touch more honey to keep that rich brownie batter flavor. Just keep in mind the protein will be lower.
Can I use vanilla protein powder instead of chocolate?
Yes. The cocoa powder and chocolate chips still give plenty of chocolate flavor. You may want to taste and add a little extra cocoa.
Can I add fruit the night before?
Definitely! Most fruits like berries, bananas and apples work well when added the night before. Just save toppings that get soggy, like granola, for the morning.
Can I make brownie batter overnight oats nut-free?
Yes. The walnuts or pecans are optional, so simply leave them out, or top with a few extra chocolate chips instead.
Make Mornings a Little Sweeter
Brownie batter overnight oats are one of my favorite ways to make busy mornings easier without giving up on a wholesome breakfast.
Take just a few minutes to prep a jar (or a few) the night before, and you’ll have a satisfying breakfast that keeps you fueled for whatever the day throws your way, whether that’s a busy school morning or a long drive to see family.
I hope they bring a little chocolatey joy to your family’s mornings, too.
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Brownie Batter Overnight Oats
Equipment
Ingredients
- ½ cup oats
- 1 scoop chocolate protein powder
- 3/4 cup milk
- 1 T cocoa powder
- 1 tsp honey
- 1 tsp vanilla
- pinch of sea salt
- 1 T mini chocolate chips
- 1 T chopped walnuts or pecans optional
Instructions
- In a mason jar or airtight container, add the rolled oats, protein powder, milk, cocoa powder, honey or maple syrup, vanilla extract, mini chocolate chips, chopped nuts, and a pinch of salt.
- Mix Well: Use a spoon or a fork to thoroughly mix all the ingredients together until everything is well combined and there are no clumps of cocoa powder.
- Refrigerate Overnight: Once mixed, cover the jar with a lid and refrigerate it overnight or for at least 4-6 hours. This allows the oats to soften and absorb the flavors, resulting in a creamy and delicious texture.
- Serve and Enjoy: In the morning, give the oats a quick stir to ensure everything is evenly distributed. You can enjoy the overnight oats straight from the jar or transfer them to a bowl and add your favorite toppings, such as fresh fruit, nuts, or additional chocolate chips.
Notes
Nutrition
Tried this recipe for yourself? Leave a comment and photos below!
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Nutrition Disclaimer: Our Family Cooks is not a dietitian or nutritionist, and any nutritional information shared is an estimate. If calorie count and other nutritional values are important to you, we recommend running the ingredients through whichever online nutritional calculator you prefer. Calories and other nutritional values can vary quite a bit depending on which brands were used.
