These high-protein overnight oats are a creamy, make-ahead breakfast made with rolled oats, protein powder, milk, Greek yogurt, and a little vanilla. Stir everything together in 10 minutes, pop it in the refrigerator, and breakfast is ready the next morning. Add berries, banana, or peanut butter to make it your own.
If you're looking for more high-protein breakfast options, try my high-protein cottage cheese bagels or these fluffy ricotta egg bites.
Quick Look: High Protein Overnight Oats
- ⏱ Prep Time: 10 minutes
- ⏱ Chill Time: At least 5 hours, preferably overnight
- 🍽️ Servings: 1 serving
- ❤️ Why you'll love this recipe: Creamy, no-cook, and perfect for meal prep.
- 🍪 Main Ingredients: Rolled oats, protein powder, milk, Greek yogurt, and vanilla
- Method: No cooking required
- 👌 Difficulty: Easy
- Protein per serving: Approximately 39 grams, depending on the protein powder and milk used.
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WHY THIS RECIPE WORKS
- Easy to prep ahead: Mix everything the night before so breakfast is ready in the morning.
- Creamy without cooking: Rolled oats soften as they absorb the liquid in the refrigerator.
- Easy to customize: Vanilla makes a simple base for berries, cinnamon, banana, or nut butter.
- Flexible texture: Add a little more milk before serving if you prefer softer, looser oats.
WHAT GOES INTO THIS RECIPE
The combination of rolled oats, vanilla protein powder, and Greek yogurt makes these overnight oats creamy and protein-rich. I use nonfat Greek yogurt, but you can use a higher-fat version if you prefer a richer texture.
How to Add Protein Powder to Overnight Oats
Protein powder is an easy way to add protein to overnight oats, but the type you use affects the texture and sweetness.
For smoother oats, whisk the protein powder into the milk first. Stir in the Greek yogurt, vanilla, and maple syrup, then add the rolled oats.
I use Clean Simple Eats Vanilla Whey Isolate Protein Powder for this recipe. Other protein powders may absorb more liquid, so add a splash of milk after chilling if your oats are thicker than you like.
Meal Prep and Storage
These high-protein overnight oats are great for meal prep. Make a few individual servings in jars or airtight containers, cover, and refrigerate promptly.
Store in the refrigerator at 40°F or below and enjoy within 3-4 days. Give the oats a good stir before serving, adding a splash of milk if they've thickened.
For the best texture, add fresh banana, nuts, and crunchy toppings right before eating.
Substitutions for High Protein Overnight Oats
You can easily customize these protein overnight oats depending on what you have on hand. Just remember that changing your protein powder or liquid can affect the texture and total protein.
- Milk: Use regular milk, almond milk, oat milk, or coconut milk. You can even use water, although milk generally makes the oats creamier. The protein amount will vary depending on your choice.
- Protein powder: Vanilla whey protein works well, but you can also try chocolate or plant-based protein powder. Some plant-based powders absorb more liquid, so you may need an extra splash of milk.
- Greek yogurt: Plain nonfat Greek yogurt adds creaminess and protein. You can use 2% or whole-milk Greek yogurt for a richer texture. Plant-based yogurt is another option, but the protein content will vary. If you leave the yogurt out entirely, the oats will have less protein and may need less liquid.
- Rolled oats: Old-fashioned rolled oats give you the best balance of creamy and chewy. Quick oats will soften more and produce a mushier texture. Steel-cut oats aren't a direct substitute because they require different soaking times and liquid ratios.
- Sweetener: Maple syrup is optional. You can substitute honey or leave out the added sweetener, especially if your protein powder is already sweetened.
Dairy-free option: Use plant-based milk and a dairy-free protein powder. Check both labels, since some protein powders contain whey or other milk ingredients.
High Protein Overnight Oats Variations
Once you've made the basic recipe, it's easy to change the flavors so breakfast doesn't feel like the same thing every morning. Here are a few of my favorite combinations to try.
- Apple Cinnamon Overnight Oats: Stir in diced apples and a sprinkle of cinnamon. Add chopped pecans before serving for a little crunch.
- Blueberry Protein Overnight Oats: Mix in fresh or frozen blueberries before refrigerating, then add a few more on top in the morning.
- Banana Peanut Butter Overnight Oats: Add mashed banana and peanut butter for a creamy combination. Top with extra banana slices just before serving.
- Chocolate Protein Overnight Oats: Use chocolate protein powder or add unsweetened cocoa powder to the vanilla version. Adjust the milk as needed to keep the oats creamy.
- Pumpkin Spice Protein Overnight Oats: Stir in pumpkin purée and pumpkin pie spice for a fall-inspired breakfast. Adjust the consistency with a little extra milk if needed.
My tip: Add crunchy toppings like nuts, granola, or chocolate chips right before eating so they don't soften overnight.
HOW TO MAKE HIGH PROTEIN OVERNIGHT OATS
High Protein Overnight Oats Frequently Asked Questions
Stir the oats thoroughly before refrigerating. If they're too thick the next morning, add a little milk and stir again until you like the consistency.
For a conservative meal-prep schedule, store covered in the refrigerator at 40°F or below and enjoy within 3-4 days. Add fresh fruit and crunchy toppings before serving.
Yes. Transfer them to a microwave-safe bowl and heat gently, stirring between short intervals. Add extra milk as needed to keep the oats creamy.
Make Breakfast Easy All Week
Prep a few jars ahead of time and enjoy a creamy, protein-packed breakfast on busy mornings.
High Protein Overnight Oats
Equipment
- overnight oats containers
Ingredients
- ½ cup rolled oats old fashioned oats
- 1 scoop protein powder tested with: Clean Simple Eats Whey Isolate Protein Powder, Vanilla
- ¼ teaspoon vanilla extract
- ½ cup milk or water
- ¼ cup non-fat greek yogurt
- 1 teaspoon maple syrup optional
Instructions
- Mix the protein powder and milk. In a jar or bowl, whisk together the milk and protein powder until smooth.
- Add the remaining ingredients. Stir in the Greek yogurt, vanilla extract, maple syrup (if using), and rolled oats until completely combined.
- Refrigerate. Cover and refrigerate for at least 5 hours or overnight, until the oats have softened and the mixture has thickened.
- Stir and serve. Stir the oats before eating, adding a splash of milk if needed. Top with fresh berries, banana, nuts, or your favorite toppings. Enjoy cold or gently warmed.
Lauren Lane says
This is my go-to oats recipe, especially with the added benefit of being high protein. I hope you love it.