Brownie Batter Overnight Oats

Brownie Batter Overnight Oats bring together the rich, chocolatey flavor of brownie mix with the creamy, wholesome goodness of oats soaked overnight. It’s like having dessert for breakfast but in…

By Julia • December 31, 2025 • Reading time: 6 min

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Brownie Batter Overnight Oats bring together the rich, chocolatey flavor of brownie mix with the creamy, wholesome goodness of oats soaked overnight. It’s like having dessert for breakfast but in a healthy and satisfying way. The oats soak up all those chocolatey notes, making each spoonful taste smooth, thick, and just a little sweet.

I love making this recipe when I want something quick but still special in the morning. It’s ready to eat right out of the fridge, so no rushing or cooking required. Plus, it feels a bit like a treat that keeps me fueled and happy through the day. Adding a handful of chocolate chips or a dollop of peanut butter on top is my favorite little twist to make it extra cozy.

This is such an easy recipe that always surprises family and friends—they can’t believe that something this tasty can be so simple to prepare. Brownie Batter Overnight Oats turn the usual oats routine into something fun and worth looking forward to, especially on busy mornings or lazy weekends alike. It’s a little bowl of happiness waiting for you when you wake up.

Key Ingredients & Substitutions

Rolled oats: These give the perfect texture—soft but with a little bite. You can use quick oats if you’re short on time, but rolled oats soak up the liquid better for creaminess.

Chia seeds: These help thicken the oats overnight and add fiber. If you don’t have chia, ground flaxseed works as a good substitute.

Cocoa powder: Unsweetened cocoa adds the rich chocolate flavor without extra sugar. Dutch-processed cocoa is milder, while natural cocoa has a stronger tang.

Sweetener: Maple syrup or honey add natural sweetness. For a vegan option, stick with maple syrup. You can also try agave or a sugar-free syrup.

Milk: Any milk works here—dairy or plant-based. Almond, oat, and soy milks all give slightly different flavors, so pick your favorite.

Greek yogurt: This is optional but makes the oats creamier and adds protein. Use dairy-free yogurt like coconut or almond yogurt for a vegan swap.

Chocolate chips: Mini chocolate chips work best for mixing in and topping. Dark chocolate chips add bittersweet flavor, while semi-sweet are sweeter.

How Do You Get the Best Creamy Texture in Overnight Oats?

Texture is key for yummy overnight oats—you want creamy, not mushy or too thick. Here’s what helps:

• Use rolled oats, not instant. They soak up liquid well but keep some chew.
• Add chia seeds—they absorb moisture and thicken while adding a slight jammy texture.
• Mix in yogurt if you like extra creaminess and protein.
• Make sure to stir all ingredients well before refrigerating so cocoa and sweetener mix evenly.
• If too thick in the morning, add a splash of milk and stir to loosen.

Following these tips will give you smooth, creamy overnight oats with a luscious chocolate flavor, just like brownie batter but ready to eat in minutes!

Equipment You’ll Need

• Mason jar or airtight container – perfect for mixing and storing your oats overnight without spills.
• Measuring cups and spoons – help you get the right balance of oats, milk, and cocoa for the best texture.
• Spoon or small whisk – makes mixing the ingredients quick and easy, so the cocoa blends smoothly.
• Refrigerator – to chill your oats and let them soak properly for that creamy finish.

Flavor Variations & Add-Ins

• Add a spoonful of peanut butter or almond butter for extra richness and a nutty twist.
• Swap cocoa powder for matcha powder to create a green tea version with a gentle earthy note.
• Mix in fresh or frozen berries for a juicy pop that brightens the chocolate flavor.
• Top with chopped nuts or granola for added crunch and texture contrast.

Brownie Batter Overnight Oats

Ingredients You’ll Need:

Main Ingredients:

• 1/2 cup old-fashioned rolled oats
• 1 tbsp chia seeds
• 1 tbsp unsweetened cocoa powder
• 1 tbsp maple syrup or honey
• 1/4 tsp vanilla extract
• Pinch of salt
• 1/2 cup milk of choice (almond, oat, dairy, etc.)
• 2 tbsp Greek yogurt or plant-based yogurt (optional)
• 2 tbsp mini chocolate chips or chocolate chunks

For Topping (Optional):

• Shredded coconut
• Chocolate syrup or melted chocolate
• Fresh strawberries or raspberries

How Much Time Will You Need?

This recipe takes about 5 minutes to prepare, plus at least 6 hours (or overnight) of chilling time in the refrigerator to let the oats soak and thicken. It’s best to make it the night before for a quick and tasty breakfast the next day.

Step-by-Step Instructions:

1. Mix the Ingredients

In a clean mason jar or a bowl, combine the oats, chia seeds, cocoa powder, maple syrup (or honey), vanilla extract, and a pinch of salt. Pour in the milk and add the Greek yogurt if you’re using it. Stir everything together well until the cocoa is evenly mixed.

2. Add Chocolate Chips and Refrigerate

Stir in 1 tablespoon of the mini chocolate chips or chunks into your mixture. Cover the jar or bowl tightly and place it in the refrigerator overnight or for at least 6 hours to allow everything to soak and thicken.

3. Serve and Enjoy

The next morning, stir your oats well. If the texture is too thick, add a little extra milk until it feels just right. Top with the remaining chocolate chips, a sprinkle of shredded coconut, and a drizzle of chocolate syrup or melted chocolate if you like. For a fresh touch, serve with some strawberries or raspberries on the side. Enjoy your wholesome, chocolatey breakfast!

Can I Use Frozen Oats or Quick Oats for This Recipe?

It’s best to use old-fashioned rolled oats for the ideal texture. Quick oats can work, but they may become too mushy, and frozen oats aren’t recommended as they won’t soak properly.

How Long Can I Store Overnight Oats in the Fridge?

Store your brownie batter overnight oats in an airtight container for up to 3 days. Give them a good stir before eating and add a splash of milk if the oats have thickened too much.

Can I Make This Recipe Vegan?

Absolutely! Use a plant-based milk (like almond or oat milk) and substitute Greek yogurt with a plant-based yogurt. Also, check that your chocolate chips are dairy-free.

What Are Some Good Toppings or Mix-Ins?

Try adding chopped nuts, shredded coconut, fresh berries, or a spoonful of nut butter. These add texture and complement the rich chocolate flavor nicely.