High Protein Overnight Oats

These High Protein Overnight Oats are a simple, make-ahead breakfast that's creamy, satisfying, and packed with 57.5 grams of protein per serving. Made with rolled oats, Greek yogurt, vanilla protein powder, and chia seeds, they're an easy way to start the day with a breakfast that will keep you full for hours.

I've tested this recipe with different protein powders and ingredient combinations to fine-tune the texture. The result is a version that's smooth, reliable, and easy to customize with your favorite toppings.

At a Glance

Texture: Thick, creamy, and smooth with soft, chewy oats

Prep: 10 minutes, then chill overnight

Best For: Meal prep, busy mornings, post-workout breakfasts, or anyone looking to increase their protein intake

Protein: 57.5 grams per serving

Calories: About 528 calories before toppings

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From My Kitchen to Yours

Mix the protein powder first

The biggest improvement I made while testing this recipe had nothing to do with the ingredients. It was the order in which I mixed them.

When I added the oats before the protein powder had fully dissolved into the milk, I ended up with little pockets of dry protein powder hidden throughout the jar. Once I started mixing the protein powder with the milk first, the problem disappeared.

The oats chilled into a smooth, creamy mixture with no chalky bites. It's a small step that makes a noticeable difference.

Your protein powder matters

One thing I quickly learned is that every protein powder behaves differently.

I developed this recipe using PEScience Vanilla Protein Powder, which produced a thick, creamy texture after chilling overnight. I also tested a batch using Naked Whey Vanilla Protein. That version stayed a little thinner but still tasted great.

Don't be surprised if your overnight oats look slightly different depending on the brand you use. If they're thicker than you'd like, stir in a splash of milk before serving. If they're thinner, simply use a little less milk the next time. After one batch, you'll know exactly how to adjust the texture to your personal preference.

Use a pint-sized mason jar

I tried a few different containers before settling on a pint-sized mason jar.

It's large enough to easily shake everything together, but compact enough that several jars fit neatly in the refrigerator. Even better, there's still plenty of room on top for fresh berries and crunchy protein granola without making a mess.

If you plan on meal prepping several breakfasts for the week, this size works especially well.

How to know it's ready

By morning, the oats should be thick enough to hold their shape on a spoon while still stirring easily. The rolled oats become tender but keep a slight chew, and the chia seeds blend into the mixture, adding body without creating a gelatin-like texture.

The finished oats should look smooth and creamy from top to bottom with no streaks of dry protein powder. Every bite has a light vanilla flavor, while the fresh berries add juicy bursts of sweetness and the granola provides a satisfying crunch.

If the oats seem thicker after sitting overnight, simply stir in a splash of milk until they reach your favorite consistency.

Quick oats will not work for this recipe.

Every ingredient has a purpose

This recipe isn't loaded with unnecessary ingredients. Each one contributes something important.

Old-fashioned rolled oats provide the hearty texture that makes overnight oats so satisfying. Greek yogurt creates a rich, creamy base while adding a significant boost of protein. I tested this recipe using Oikos Pro Vanilla Greek Yogurt, but Chobani Complete, FAGE BestSelf or Total, Siggi's Skyr, and Ratio Protein are all great options.

The chia seeds naturally thicken the mixture and add healthy fats, while fresh berries brighten the flavor with natural sweetness. High-protein granola finishes the bowl with a crunchy texture and an extra protein boost.

Together, they create a breakfast that is a complete meal instead of just a snack.

A breakfast that actually keeps you full

With approximately 528 calories and 57.5 grams of protein, this recipe is meant to be a complete breakfast.

That balance of protein, carbohydrates, and healthy fats makes it a great choice if you're trying to stay satisfied until lunch, support muscle recovery after a workout, or simply eat a breakfast that doesn't leave you hungry an hour later.

Easy ways to change it up

Once you've made the base recipe, it's easy to customize.

Try chocolate protein powder for a richer flavor, or stir in a spoonful of peanut butter or almond butter before refrigerating. A sprinkle of cinnamon, a drizzle of maple syrup, or a spoonful of Strawberry Freezer Jam can add a little sweetness.

You can also swap the dairy milk for oat milk, soy milk, coconut milk, or unsweetened almond milk. Just keep in mind that changing the milk or protein powder may slightly change the final texture, so you may need to adjust the liquid after your first batch.

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Storage & Make Ahead

These High Protein Overnight Oats are one of my favorite breakfasts to make ahead.

Store the prepared oats in a covered pint-sized mason jar or another airtight container in the refrigerator for up to four days. I recommend waiting to add the granola and fresh berries until just before serving so they stay crisp and fresh.

If the oats continue to thicken as they sit, simply stir in a splash of milk before eating. They're delicious served cold straight from the refrigerator, making them an easy grab-and-go breakfast for busy mornings.

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You Might Also Like

If you enjoy make-ahead breakfasts, here are a few more recipes to try:

• Banana Zucchini Bread
• Morning Glory Muffins
• Chocolate Chunk Banana Muffins