Overnight Oats with Protein Powder

These Overnight Oats with Protein Powder are a super easy, plant-powered breakfast you can prep ahead for up to 4 days. Each serving packs 18 grams of protein, is vegan, gluten-free, and perfect for busy mornings when you want something healthy and filling. Bonus: they taste deliciously creamy and are totally customizable!

Cook Mode

We love loading up on plant-based protein around here! I’ve whipped up plenty of easy protein snacks for before and after workouts, like my Brownie Protein Bites, Protein Powder Mug Cake, and Vegan Protein Balls — all great for refueling.

But sometimes you want something rich, creamy, and packed with flavor to start your day. That’s exactly why I make protein overnight oats!

The full recipe is just below, but be sure to check out my ingredient tips, step-by-step photos, and a quick video I’ve included to guide you through making these perfect protein overnight oats.

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These protein overnight oats are a wonderful plant-based breakfast you can prep easily ahead of time for a week of tasty, high-protein mornings.

Instructions

• In a big mixing bowl, combine the old-fashioned oats, chia seeds, protein powder, and cinnamon. Stir well so everything is evenly mixed.
• Pour in the almond milk, maple syrup, and vanilla extract. Give it a good stir, then cover and refrigerate overnight. I recommend giving the mix a quick stir about an hour after you put it in to stop the chia seeds from sinking and clumping.
• The next morning, spoon into jars and top with peanut butter, dairy-free yogurt, fresh or frozen berries, and nuts for some extra crunch and flavor.

Notes

Note 1: Steel-cut oats won’t work here — stick to old-fashioned or quick oats for the best texture and absorption.

Nut-Free: For a nut-free version, replace almond milk with oat or soy milk and choose a nut-free protein powder like pea protein.

Gluten-Free: Be sure to use certified gluten-free oats if you need to keep this recipe gluten-free.

How long to store protein overnight oats?

These oats keep great in an airtight container in the fridge for 4–5 days. Just know the texture thickens and dries out a bit — you can loosen it with a little splash of plant milk before eating.

Can I freeze protein oats?

Yes, they freeze well for up to a month. Freeze them in airtight containers, thaw in the fridge overnight, and stir well. You might need to add some milk to get back that creamy texture.

Equipment

Mixing Bowl

Measuring Cups and Spoons

Mason Jars

Nutrition

Serving: 1jar (3/4 cup) | Calories: 243.7kcal | Kilojoules: 1020KJ | Carbohydrates: 32g | Protein: 17.8g | Fat: 5.8g | Saturated Fat: 0.6g | Polyunsaturated Fat: 3.1g | Monounsaturated Fat: 1.6g | Trans Fat: 0.01g | Sodium: 317.1mg | Potassium: 172.8mg | Fiber: 6.6g | Sugar: 6.6g | Vitamin A: 4.7IU | Vitamin C: 0.1mg | Calcium: 246.4mg | Iron: 4mg | Magnesium: 70.4mg | Phosphorus: 293mg | Zinc: 2.1mg

Hey there! If you’re looking for a quick and nourishing breakfast you can prep in a snap and enjoy all week, these protein overnight oats are just the thing. They’re plant-based, gluten-free, and pack about 18 grams of protein in every serving. Plus, you can make the whole batch in about 10 minutes, and then just grab a jar when you’re ready.

Along with the full recipe (which makes four jars), I’m sharing step-by-step instructions, plenty of helpful photos, and even a short video to guide you. I’ll also cover tips for picking the best ingredients, avoiding soggy or gummy oats, and fun topping ideas so your protein overnight oats are never boring. Plus, I’ll talk about simple substitutions like nut-free or no-protein powder options, along with storage tips so your jars stay fresh for up to 5 days or freeze well for up to a month.

Keep reading for the full ingredient list, how to mix and store these oats, and my best tips to get this recipe just right every time.

High-Protein, Make-Ahead Perks

Protein overnight oats are an awesome healthy breakfast. These cold oats don’t need cooking and they’re easier on digestion.

This vegan recipe offers so much more:

• A super simple make-ahead option you can batch prep—see High-Protein Breakfast Meal Prep Boxes for ideas
• Loaded with plant-based protein to keep you full longer
• Easy, wholesome, and nutritious

• Perfect for a post-workout refuel or to help build muscle

Ingredients You’ll Need

• 1 ½ cups old‑fashioned rolled oats (see note)
• 2 tablespoons chia seeds (black or white)
• 2 scoops vanilla plant‑based protein powder (we used Macro Mike; ~40g per scoop)
• 2 cups unsweetened almond milk
• 2 tablespoons maple syrup
• 1 teaspoon vanilla extract
• 1 teaspoon ground cinnamon

Step-by-Step Preparation

1. Combine 1½ cups old-fashioned rolled oats, 2 tablespoons chia seeds, 2 scoops protein powder, and 1 teaspoon cinnamon in a large mixing bowl and stir until evenly mixed.
2. Add 2 cups almond milk, 2 tablespoons maple syrup, and 1 teaspoon vanilla extract to the bowl and mix well to avoid any dry bits.
3. Transfer the mixture into jars or an airtight container and seal.
4. Refrigerate for at least 6–8 hours or overnight so the oats and chia seeds absorb the liquid and thicken.
5. About 1 hour after refrigerating, give the oats a quick stir to prevent chia seeds from sinking and clumping, then reseal and continue chilling.

6. In the morning, stir the oats; if the texture is too thick or dry, loosen with a splash of almond milk.

   

7. Top with peanut butter, dairy-free yogurt, fresh or frozen berries, nuts, seeds, or other desired toppings before serving.

Texture and Flavor Tips

• Stick to old-fashioned rolled oats for creamy, smooth oats—this quick and creamy high-protein overnight oats recipe shows the ideal texture. Steel-cut won’t soften right and instant oats change the texture a lot.
• Protein powder can soak liquid and make things gummy if you use too much or thick powders. Add milk a tablespoon at a time to fix dryness.
• If the protein powder is flavored or sweetened, reduce or leave out maple syrup and vanilla to avoid making it too sweet. For a cozy fall twist that balances sweetness with spice, try high-protein pumpkin overnight oats.
• Give the oats a good stir an hour after refrigerating to stop them from clumping and keep everything mixed.
• Wait to add crunchy toppings like nuts or chocolate till just before eating so they stay crisp.
• For nut-free or extra protein, swap almond milk to soy milk, and use pea or hemp protein powder. You can also stir in hemp seeds or soy yogurt for a protein boost.
• Layer oats with peanut butter, berries, and other tasty toppings in jars for fun, colorful breakfast bowls.

Mix-Ins, Swaps, and Ideas

Here are my top tips for choosing ingredients that work best in this recipe. Scroll down to the recipe card for exact measurements!

These protein overnight oats are the quickest way to load in a good amount of protein, thanks to a little help from protein powder.

But protein powder plays a big role here — it soaks up liquid and can make your oats gummy or dry if you don’t get it right. Let’s make sure your oats end up creamy and tasty every time.

• Old-Fashioned Rolled Oats – These are coarser and absorb liquid less aggressively than quick oats, making them perfect for creamy yet textured protein overnight oats.
• Chia Seeds – A must for that gel-like texture. You can swap in flax meal if you want, but it can be a bit bitter. Leaving them out will thin out the oats and give you more of a liquid soak.
• Unsweetened Almond Milk – Light and low-calorie, this is our fave. For more protein, try soy or oat milk, especially for a nut-free version.
• Sweetener – Maple syrup adds great flavor, but agave or liquid sugar substitutes work too. Avoid granulated sugars as they won’t dissolve well overnight.
• Vanilla Extract – A simple, tasty flavor boost. Almond extract or skipping it entirely works too if your protein powder is already strongly flavored.
• Cinnamon – Optional, but delicious. You could swap in pumpkin pie spices for a cozy fall twist—or try high-protein pumpkin baked oatmeal if you’re craving a warm version.
• Protein Powder – We used a vanilla peanut protein powder, but any vanilla plant-based protein like pea or hemp works great. Whey protein should work similarly, though we haven’t tested it.

Not loving the taste of protein powder or don’t have any on hand? No worries! You can still enjoy protein overnight oats without protein powder. I like adding protein powder because it’s a quick way to boost protein with minimal fuss, but here are some swaps:

Try replacing part of the plant milk with:

• High-Protein Yogurt – Plain soy yogurt is smooth and creamy. Swap up to ½ cup plant milk for soy yogurt for extra protein and creaminess.
• Ready-Made Protein Shakes – Grab a pre-flavored protein shake but skip the vanilla extract and maple syrup in this recipe to avoid overly sweet oats.
• Nut Butter – Stir in up to ¼ cup almond butter or peanut butter powder for a protein and flavor boost without powder.
• High-Protein Seeds – Mix in ¼ cup hemp seeds, which are packed with protein and a great powder-free option.

Protein overnight oats are a bit plain on their own, but they shine when layered in small glass jars with tasty add-ins like:

• Fruits – Fresh or frozen berries, chopped apples, or slices of banana work wonderfully. You can stir them in overnight or layer them in the jars.
• Nuts – Pecans, almonds, or hazelnuts stay crunchy and add a nice protein punch.
• Seeds – Hemp seeds are my go-to protein-packed seed.
• Nut Butters – Peanut butter or almond butter lend a creamy, nutty richness.
• Chocolate Chips – Use sugar-free dark chocolate chips for a sweet but healthy touch.
• Salted Caramel – Add a drizzle or layer some date caramel for a rich twist.
• Melted Dark Chocolate – Drizzle melted 70% cocoa chocolate for an indulgent breakfast treat.
• Apple Cinnamon – Layer in apple puree and a sprinkle of cinnamon for fall vibes.

The sky’s the limit! Here are a few of my favorite flavor spins:

• Biscoff Protein Overnight Oats – Stir 1½ tablespoons of Biscoff spread with your liquids and skip adding sweetener.
• Chocolate Protein Overnight Oats – Swap in chocolate protein powder and toss 1 tablespoon unsweetened cocoa powder with the dry ingredients.
• Pumpkin Pie Protein Overnight Oats – Mix in ¼ cup pumpkin puree, reduce milk accordingly, and add 1 teaspoon pumpkin pie spice for a cozy taste.

Storing and Freezing Advice

Keep your protein overnight oats fresh by storing them in airtight glass jars or containers in the fridge for up to 4–5 days. The oats will thicken and dry a little, so stir in some almond milk before eating to loosen things up.

Want to keep them longer? Freeze individual portions in freezer-safe containers for up to a month. Thaw in the refrigerator overnight, then stir well and add a splash of milk if the texture feels thick or dry. Frozen oats might be a little different in texture but still tasty!

If you warm your oats, microwave gently in short bursts, stirring in between, and add a little plant milk to keep that creamy feel. Always keep crunchy toppings separate until serving so they stay fresh. For more make-ahead breakfasts that store and reheat well, check out High Protein Egg Bites and High Protein Breakfast Burritos.

Common Questions Answered

Which Protein Powder Can I Use?

For this recipe, any vegan protein powder works great with almond milk. Some of my favorites are pea protein, almond protein, and peanut protein powders.

Feel free to use vanilla-flavored powder or swap in chocolate protein powder for a tasty chocolate version of these protein overnight oats. Prefer a warm breakfast using protein powder? Try Protein French Toast.

Can I Skip The Chia Seeds?

Chia seeds add the gel-like texture that holds everything together, so skipping them will make your oats watery. You need a fiber-rich seed like chia or flaxseed meal to help thicken the oats overnight. You can use either black or white chia seeds in this recipe.

If you want alternatives, replace the 2 tablespoons of chia seeds with 2 tablespoons of flaxseed meal or 1 tablespoon of psyllium husk powder.

Are Protein Overnight Oats Healthy?

Absolutely! These overnight oats make a nutrient-rich breakfast, offering:

• High Fiber – Thanks to chia seeds and oats, you get around 6 grams of fiber per serving which aids digestion and keeps you full.
• High Protein – With protein powder, these oats deliver about 18 grams of protein per serving — great for muscle repair and satiety.
• Full of Nutrients – Since they’re not cooked, these oats keep more vitamins and nutrients intact.
• Low Glycemic Index – The fiber and protein combo help stabilize blood sugar, keeping you energized longer. Skip the sweetener and you’re looking at about 20 grams net carbs and 200 calories per jar.

Can I Use Instant Oats?

You can swap rolled oats with instant oats, but you’ll likely need more oats and maybe less liquid to get the right texture. Instant oats absorb less liquid and have less fiber so this swap can result in thinner, more watery protein overnight oats.