High Protein Overnight Oats

These high protein overnight oats are creamy, easy to make, and perfect for meal prep with oats, Greek yogurt, milk, chia seeds, and protein powder.

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Prep Time 10

Total Time 10

Course Breakfast

Cuisine American

Servings 2

Calories 350 kcal

Equipment

Mixing bowl
Spoon
Measuring cups
Measuring spoons
2 jars or airtight containers

Ingredients

1 cup old-fashioned rolled oats
1 cup milk
½ cup plain Greek yogurt
2 tablespoons chia seeds
1 scoop vanilla protein powder
1 tablespoon maple syrup or honey
½ teaspoon vanilla extract
½ cup berries, for topping
1 tablespoon peanut butter, optional for serving

Instructions

In a mixing bowl, combine the rolled oats, milk, Greek yogurt, chia seeds, protein powder, maple syrup, and vanilla extract.
Stir very well until everything is evenly mixed and the protein powder is fully combined.
Divide the mixture between 2 jars or airtight containers.
Cover and refrigerate for at least 4 hours, or overnight, until the oats are soft and thick.
Stir before serving, then top with berries and peanut butter if using.

Notes

Rolled oats work best for overnight oats because they soften well without becoming too mushy.
Stir the mixture really well so the protein powder blends in smoothly.
If the oats feel too thick in the morning, stir in a small splash of milk.
Add fresh toppings right before serving for the best texture.

Ingredients at a Glance

Nutrition

Approximate nutrition per jar:

Calories: 350
Protein: 28g
Carbohydrates: 35g
Fat: 10g
Fiber: 7g

Nutrition will vary depending on the protein powder, yogurt, milk, and toppings you use.

How to Make

Start by adding the oats, milk, Greek yogurt, chia seeds, protein powder, sweetener, and vanilla to a bowl. Stir everything together really well so the mixture is smooth and evenly combined.

Next, divide the mixture into jars or containers and place them in the fridge. The oats will soak overnight and thicken as they sit.

In the morning, give the oats a quick stir and add your toppings. That is it. They are ready to eat straight from the fridge, which makes them perfect for busy mornings.

Tips for the Best

Use rolled oats, not quick oats, for the best texture.

Mix the protein powder in really well so you do not end up with dry pockets in the oats.

Do not add too many wet toppings the night before. Fresh fruit is usually best added right before serving.

If you like thinner overnight oats, add a little extra milk before eating.

Easy Variations

These overnight oats are very easy to customize.

Use chocolate protein powder instead of vanilla
Swap berries for banana slices
Add cinnamon for extra flavor
Use almond milk instead of dairy milk
Stir in peanut butter or almond butter for a richer version

What to Serve With

These overnight oats pair well with:

boiled eggs
turkey bacon
fresh fruit
a smoothie
coffee
Greek yogurt on the side

How to Store and Reheat

Store the overnight oats in airtight jars or containers in the fridge for up to 4 days.

These are meant to be eaten cold, but if you prefer them slightly warm, you can microwave them for a short time before adding toppings.

For meal prep, keep the base in the jars and add toppings right before serving so everything stays fresher.

Common Mistakes to Avoid

One mistake is using quick oats, which can become too soft and mushy.

Another mistake is not mixing the protein powder well enough. That can leave dry clumps in the oats.

It is also easy to make the oats too thick by using too much chia seed or not enough milk. If that happens, just stir in a little more milk before serving.

Finally, avoid adding delicate toppings too early if you want the best texture the next day.

FAQ

Can I make overnight oats without protein powder?
Yes, but the protein content will be lower. You can also add extra Greek yogurt to help boost it.

What kind of oats work best?
Old-fashioned rolled oats work best for texture and consistency.

Can I make these dairy-free?
Yes. Use a dairy-free yogurt and plant-based milk.

How long do overnight oats need to chill?
At least 4 hours, but overnight is best.

Are these good for meal prep?
Yes. They are one of the easiest make-ahead breakfasts because they store well in the fridge.

Can I use frozen fruit?
Yes, but it is usually best added on top closer to serving.

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