High-Protein Peanut Butter Overnight Oats

Featured in: Everyday Cozy Meals

Prepare a satisfying high-protein peanut butter overnight oats dish, ideal for an effortless and nutritious breakfast. This blend combines old-fashioned rolled oats with milk, Greek yogurt, natural peanut butter, and protein powder, enriched with vanilla and optional sweetener.

Simply combine ingredients in a jar, stir thoroughly, then refrigerate overnight (8+ hours). This process creates a thick, creamy texture as the oats absorb the liquids. Customize with fresh fruit, nuts, or extra peanut butter before serving. It's a perfect make-ahead option, offering sustained energy and a delicious start to any busy morning.

Updated on Sat, 31 Jan 2026 08:24:00 GMT
Rolled oats soak in creamy peanut butter, protein powder, and milk overnight for a thick, satisfying breakfast. Save to Pinterest
Rolled oats soak in creamy peanut butter, protein powder, and milk overnight for a thick, satisfying breakfast. | recipesforevers.com

My roommate Sarah caught me eating cold peanut butter straight from the jar at 2 AM during finals week. She handed me a mason jar and said there was a better way to do this. That's how these overnight oats became my lifeline through grad school and beyond.

I started making these for my cycling team before long Saturday rides. Now they text me the night before asking if the breakfast jars are ready. Something about that perfect ratio of creamy peanut butter to protein just clicks.

Ingredients

  • Old-fashioned rolled oats: These absorb liquid beautifully without turning mushy like instant oats
  • Unsweetened milk: Soy or pea milk gives you the most protein per serving
  • Greek yogurt: Adds creaminess and protein while helping the oats soften
  • Natural peanut butter: The kind you have to stir not the hydrogenated stuff
  • Protein powder: Vanilla or unflavored works best
  • Honey or maple syrup: Start with less since protein powder and toppings add sweetness
  • Pure vanilla extract: Makes everything taste like a treat
  • Fine sea salt: Just a pinch makes the peanut flavor pop

Instructions

Product image
Make crepes, pancakes, tortillas, and omelets evenly with quick heating and precise temperature control.
Check price on Amazon
Prep your jar:
Grab a clean 12 to 14 ounce jar with a good lid
Mix the dry ingredients:
Add oats to the jar then stir in protein powder and any spices you want
Whisk the wet mixture:
In a separate bowl combine milk yogurt peanut butter vanilla and sweetener until completely smooth
Combine everything:
Pour the peanut butter mixture over the oats and stir thoroughly
Add mix-ins:
Fold in sturdy fruits or chocolate chips now if using
Refrigerate overnight:
Seal the jar and let it work its magic for at least 4 hours but ideally 8
Morning assembly:
Stir well add milk if needed then pile on your favorite toppings
Product image
Make crepes, pancakes, tortillas, and omelets evenly with quick heating and precise temperature control.
Check price on Amazon
This jar of peanut butter overnight oats is topped with sliced banana and chopped nuts. Save to Pinterest
This jar of peanut butter overnight oats is topped with sliced banana and chopped nuts. | recipesforevers.com

Last summer my niece asked if she could take a jar to soccer camp. Now her whole team requests them for tournament days. Watching a dozen 12 year olds happily eat overnight oats instead of sugary cereal is something I never expected to see.

Make It Your Own

Swap almond butter or cashew butter if you want to change the nutty flavor profile. Cocoa powder turns this into chocolate peanut butter heaven and a spoonful of instant coffee gives you a mocha version for tough mornings.

Texture Secrets

Chia seeds create a pudding like thickness while extra milk keeps it looser and spoonable. I keep a small pitcher of milk at work so I can adjust the consistency right before eating.

Batch Prep Magic

Meal prep these on Sunday for an entire week of effortless breakfasts. I line up five jars and assembly line them in under 15 minutes. Just wait to add fresh toppings until the morning you eat each one.

  • Leave space at the top of the jar so you can stir without making a mess
  • Mason jars look beautiful but any food storage container works perfectly
  • Keep a stash of chopped toppings in separate small containers for instant customization
Product image
Stir sauces, sauté vegetables, and serve meals gently while adding a charming touch to everyday cooking.
Check price on Amazon
Rich peanut butter oats with Greek yogurt and protein powder make a nourishing, grab-and-go morning meal. Save to Pinterest
Rich peanut butter oats with Greek yogurt and protein powder make a nourishing, grab-and-go morning meal. | recipesforevers.com

Some mornings the simplest breakfast becomes the best part of the day. Grab that jar from the fridge and start your morning right.

Recipe FAQs

Can I make this vegan?

Yes, to make this preparation vegan, use plant-based milk (like soy or almond), a dairy-free yogurt alternative, vegan protein powder, and maple syrup instead of honey. Ensure all other optional ingredients are also plant-based.

How long do these overnight oats last in the fridge?

When stored in an airtight container in the refrigerator, these oats will keep for up to 2 days. For best freshness, add delicate toppings like fresh fruit just before serving.

Can I use instant oats instead of rolled oats?

While you can, instant oats tend to become very mushy and lose their texture in overnight preparations. Old-fashioned rolled oats provide a much better, chewier consistency for this dish. Steel-cut oats are generally too firm for the overnight method.

What if my overnight oats are too thick or too thin?

If your oats are too thick after chilling, simply stir in an extra splash of milk or water until you reach your desired consistency. If they are too thin, try adding a tablespoon of chia seeds or ground flaxseed to absorb more liquid, or reduce the initial liquid amount in future preparations.

Can I prepare a larger batch for the week?

Yes, you can easily scale up the ingredients to make multiple servings at once. It's recommended to store each serving in its own separate, airtight container to maintain freshness and make them convenient for grab-and-go meals throughout the week.

What are some good topping suggestions?

Beyond a swirl of peanut butter, excellent topping ideas include fresh fruits like banana slices, strawberries, or blueberries, a dollop of extra Greek yogurt, toasted nuts or seeds for added crunch, or a final drizzle of honey or maple syrup. Mini chocolate chips or cacao nibs also make a delightful addition.

High-Protein Peanut Butter Overnight Oats

Enjoy a high-protein peanut butter overnight oat dish. Velvety, creamy, and satisfying, it's a perfect grab-and-go breakfast.

Prep Duration
10 minutes
Time to Cook
480 minutes
Complete Duration
490 minutes

Recipe Type Everyday Cozy Meals

Complexity Easy

Cuisine American

Makes 1 Portions

Dietary Info Meatless, Without Gluten

What You Need

Base

01 ½ cup old-fashioned rolled oats
02 ¾ cup unsweetened milk of choice
03 ¼ cup plain Greek yogurt
04 2 tbsp natural peanut butter
05 1 scoop vanilla or unflavored protein powder
06 1–2 tsp honey or maple syrup
07 ½ tsp pure vanilla extract
08 Pinch of fine sea salt
09 1–2 tbsp water or extra milk

Optional Add-Ins

01 1 tbsp chia seeds or ground flaxseed
02 ½ tsp ground cinnamon
03 2–3 tbsp diced banana, berries, or apple
04 1 tbsp mini dark chocolate chips or cacao nibs
05 1 tbsp chopped roasted peanuts

Toppings

01 1 tbsp peanut butter or powdered peanut butter
02 Fresh fruit slices
03 Dollop of Greek yogurt
04 Toasted nuts or seeds
05 Drizzle of honey or maple syrup
06 Pinch of flaky sea salt

Directions

Step 01

Prepare Container: Select a clean jar or container with a tight-fitting lid, 12–14 oz capacity recommended.

Step 02

Combine Dry Ingredients: Add rolled oats to the jar. Stir in chia seeds, flaxseed, cinnamon, and protein powder if using. Add a pinch of salt.

Step 03

Mix Wet Ingredients: In a separate bowl, whisk together milk, Greek yogurt, peanut butter, vanilla extract, and honey or maple syrup until smooth. Add 1–2 tbsp water or extra milk if mixture is too thick.

Step 04

Combine Mixtures: Pour the peanut butter mixture over the oats and dry ingredients. Stir thoroughly to eliminate any dry pockets.

Step 05

Adjust Consistency: If mixture is very thick, add a splash more milk and stir again.

Step 06

Add Mix-Ins: Stir in sturdy fruits or chocolate chips now. For delicate fruit, add just before serving.

Step 07

Refrigerate: Seal container and refrigerate for at least 4 hours, preferably overnight for 8–12 hours.

Step 08

Check Consistency: In the morning, stir well and check consistency. Add more milk if desired.

Step 09

Add Toppings: Top with peanut butter, fresh fruit, yogurt, nuts, seeds, and drizzle with honey or maple syrup. Sprinkle with flaky sea salt if desired.

Step 10

Serve and Store: Enjoy straight from the jar or transfer to a bowl. Refrigerated leftovers keep for up to 2 days; add fresh fruit just before serving.

Essential Tools

  • Jar or container with lid, 12–14 oz capacity
  • Mixing bowl
  • Whisk or spoon

Allergy Details

Be sure to check every item for allergens. If uncertain, talk with a healthcare provider.
  • Contains peanuts and tree nuts
  • Contains dairy if using dairy milk or yogurt
  • May contain soy if using soy milk or certain protein powders
  • Gluten-free when using certified gluten-free oats
  • Always check protein powder and yogurt labels for potential allergens

Nutrition per serving

Nutrition details are for your reference only. Always speak with a professional for medical concerns.
  • Caloric Content: 600
  • Total Fat: 22 grams
  • Carbohydrates: 54 grams
  • Proteins: 40 grams