Chocolate Brownie Batter Overnight Oats

If you love the idea of eating brownie batter for breakfast—without actually diving into raw batter—these chocolate overnight oats are for you. One evening, when I was craving chocolate and something creamy, I threw together oats, cocoa, chocolate protein, and milk, then chilled it overnight. To my delight, I woke up to a jar that tasted like dessert but packed real nutrition. These oats deliver that fudgy, chocolatey goodness in a healthy breakfast form. They’re rich, creamy, and ready to eat in the morning and packed with over 30 grams of protein per serving! Let’s walk through why they work, what makes them tick, and how to get them perfect every time.

Also, if you’re in the mood for more overnight oat recipe flavors, I have a variety of versions including tiramisu flavored overnight oats, cinnamon roll flavored overnight oats, and strawberry flavored overnight oats!

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How to Eat / What to Pair With Chocolate Overnight Oats

This dessert-for-breakfast jar is so versatile and fun. Here are some ways you can enjoy it:

“Warm brownie bowl” mood — stirring in a splash of warm milk or heating can turn it into a warm treat reminiscent of a brownie pudding.

Cold from the fridge — that’s how I nearly always eat it.

Room temperature or slightly warmed — let it sit 10 minutes or microwave ~20 seconds (check jar safety).

Toppings & pairings: fresh berries, sliced banana, nut butter drizzle, chopped nuts, or even a dusting of sea salt for contrast.

As a snack or post-workout breakfast — thanks to the protein content, these chocolate overnight oats are the perfect treat to enjoy before or after a workout!

Key Ingredients for Chocolate Overnight Oats

My version of chocolate overnight oats are creamy, delicious, and packed with lots of protein (over 30g per serving). Here’s what you’ll need:

1 tbsp milk chocolate chips: A little indulgence that takes this recipe to the next level.

½ cup rolled oats (blended): The base of this rich and creamy dish.

2 scoops Premier Protein Chocolate Protein Powder: Adds a ton of protein, a rich chocolatey flavor, and has only 1 gram of sugar!

1 tbsp Hershey’s cocoa powder: adds an even deeper chocolate flavor to these oats then the chocolate protein powder alone.

½ cup oat milk: Keeps the oats creamy and adds a touch of natural sweetness.

How to Make Chocolate Brownie Batter Overnight Oats

1. Mix the dry ingredients: In a mason jar or small bowl, combine the rolled oats, protein powder, and cocoa powder.
2. Add the liquid: Pour in the oat milk and stir well until everything is fully mixed.
3. Blend for creaminess: Transfer the mixture to a blender and blend until smooth for that luscious, brownie batter-like texture.
4. Top with chocolate chips: Sprinkle the milk chocolate chips on top for added sweetness.
5. Chill overnight: Pour the blended mixture back into your jar or bowl, cover, and refrigerate for at least 6 hours or overnight.
6. Enjoy! Give it a quick stir in the morning and dig in. You can eat it cold or warm it up (it reminds me of eating a warm lava cake this way).

NOTE: you can adjust the overnight oat consistency depending on your preference by adding more or less oat milk. I’d say anywhere between 1/3 cup to 3/4 cups would work for this recipe and the oats would still be pretty sweet and delicious.

Common Mistakes to Avoid

Using instant or steel-cut oats — They don’t behave as well in overnight oat recipes. Stick with rolled oats for reliability.

Under-hydrated oats — If you skimp on liquid or shorten chill time, your oats may remain chewy or gritty.

Not blending — Without blending, you’ll lose the silky, batter-like texture you’re aiming for.

Adding toppings too early — Chocolate chips can sink or melt prematurely; add just before serving.

Too much liquid — Diluting the mixture too much ruins the chocolate intensity. Start thick and adjust.

FAQ