These overnight oats with protein powder make a satisfying, nutritious start to your day. With simple ingredients and just five minutes of prep, each serving delivers roughly 26 grams of protein and keeps you full through busy mornings.
You might also enjoy my healthy protein granola bars recipe for another quick, protein-packed option.
I love these protein powder overnight oats because they’re easy to make, wholesome, and very filling. The recipe uses clean, everyday ingredients and can be tailored to your diet or flavor preferences.
Rolled oats, the foundation of these overnight oats, are high in fiber, a good source of magnesium, zinc, and iron, and have a low glycemic index. Adding chia seeds brings extra fiber, protein, omega-3s, and antioxidants—so you get a nutrient-dense, high-protein breakfast in one jar.
What are overnight oats? Simply put, overnight oats are raw oats soaked in milk (dairy or plant-based) instead of being cooked. The liquid softens the oats overnight, giving a creamy, ready-to-eat breakfast in the morning.
Why You’ll Love These Protein Powder Overnight Oats
- A high-protein breakfast – One serving provides about 26 grams of protein; add a spoonful of nut butter and you’re close to 30 grams. (Using dairy-free milk will reduce protein content.)
- Great for meal prep – Make a batch ahead of time and keep individual servings in the fridge for easy grab-and-go breakfasts.
- Highly customizable – The base is simple and delicious on its own but works well with many flavors and toppings.
- Diet-friendly – The recipe can be made gluten free, dairy free, and vegan depending on the ingredients you choose.
Ingredient Notes
The full ingredient list and exact amounts are in the recipe card below. Notes on key ingredients are listed here.
- Rolled oats – Use old-fashioned rolled oats for the best texture. If you need gluten free, choose certified gluten-free rolled oats.
- Milk – Any milk works. Unsweetened almond milk is a good dairy-free option; regular cow’s milk will increase the protein slightly.
- Pure maple syrup – Adds gentle sweetness. Omit if you prefer no added sugar or substitute a different sweetener to taste.
- Protein powder – Use a protein powder you enjoy. Chocolate, vanilla, or unflavored powders all work well; chocolate is especially tasty in this recipe.
Clean food tip: I recommend organic oats when possible to reduce exposure to pesticides often used on conventionally grown grains.
Variations & Toppings
Once you have the basic mix down, try different additions and toppings:
Nuts & seeds: Add walnuts, slivered almonds, or hemp seeds for healthy fats and crunch.
Nut butters: Stir in almond or peanut butter for extra protein and creaminess; pair with banana for peanut butter banana oats.
Fresh fruit: Top with strawberries, raspberries, blueberries, or sliced banana just before serving for freshness and antioxidants.
Chocolate chips: A few chips add a treat-like touch.
Granola: Sprinkle granola on top for added texture.
How to Make
Step 1: In a medium food-safe container or divided between two mason jars, combine rolled oats, protein powder, chia seeds, milk, and maple syrup. Stir until evenly mixed.
Step 2: Cover and refrigerate for at least a few hours, ideally overnight.
Step 3: In the morning, stir and portion into bowls or eat directly from the jars. Add your favorite toppings and additional milk or sweetener if desired.
Tip: Mason jars make perfect individual servings for a quick grab-and-go breakfast.
Which Protein Powder is Best?
Choose a protein powder you enjoy—flavor and texture vary widely between brands. Chocolate and vanilla are both great choices; unflavored is fine if you prefer to keep flavors neutral. If you prefer a plant-based powder, pick one you like that’s low in added sugars and free from artificial ingredients. For whey, select a reputable brand with minimal additives.
Clean food tip: Look for organic, low-sugar powders without artificial flavors or soy protein concentrate or isolate. Aim for simple ingredient lists and avoid unnecessary sweeteners where possible.
Expert Tips
Make individual jars for easy weekday breakfasts. Stir before eating and add extra milk if the texture is too thick. If you add fresh fruit, do so just before eating to avoid soggy fruit. To boost protein further, mix in a spoonful of nut butter.
Recipe FAQs
Yes. Use a plant-based protein powder and non-dairy milk to keep the recipe vegan.
They are typically eaten cold straight from the fridge, but you can warm them briefly in the microwave if you prefer.
Instant oats absorb liquid differently and can become mushy. For best texture, use old-fashioned rolled oats.
They benefit from at least 2–3 hours of chilling, though overnight yields the creamiest texture.
Storage Guidelines
Store overnight oats in an airtight container in the refrigerator for 3–4 days. Batch-prep multiple servings to keep breakfasts ready for the week.
More Oatmeal Recipes to Try
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Healthy Gluten-free Oat Flour Pancakes (Fluffy Every Time)
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Baked Berry Oatmeal
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Chocolate Baked Oats (no banana)
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Chocolate Protein Pancakes
If you make this recipe, please let me know what you think by leaving a rating or comment. I love seeing your photos and hearing how you customize the oats!
Eat Clean. Be Well!
-Sara
Protein Powder Overnight Oats
Equipment
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1 food safe container or 2 mason jars
Ingredients
- 1 cup rolled oats (certified gluten free if needed)
- 1 scoop protein powder of choice
- 2 tbsp. chia seeds
- 1 tbsp. pure maple syrup
- 1 ¾ cups milk (see notes)
Optional toppings
- walnuts, pecans, sliced almonds
- fresh fruit
- dried coconut flakes
- cacao nibs
- nut butter
Instructions
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In a medium food-safe container or divided between two mason jars, combine all ingredients and stir until evenly mixed.
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Cover and refrigerate for at least a few hours, preferably overnight.
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Divide between bowls or enjoy straight from the jar, adding toppings and extra milk or maple syrup if desired.
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Enjoy!
Notes
- You can use any protein powder you like; chocolate and vanilla are both excellent choices.
- Use regular milk or any unsweetened dairy-free milk; protein will be slightly lower with plant milks.
- Make individual servings in mason jars for easy mornings.
- Top with nuts, fruit, nut butter, coconut, or cacao nibs to suit your taste.
- Stored in the fridge in an airtight container, overnight oats stay fresh for 3–4 days.