High-Protein Peanut Butter Overnight Oats

Featured in: Snacktime Favorites

These High-Protein Peanut Butter Overnight Oats deliver a supremely convenient and nourishing breakfast. Simply combine rolled oats with creamy peanut butter, protein powder, Greek yogurt, and your choice of milk in a jar. Let it chill overnight, allowing the ingredients to meld and thicken into a velvety, satisfying meal.

Flavorful with vanilla and a touch of sweetness, these oats are easily customizable. Add chia seeds, cinnamon, fruit, or chocolate chips. Serve with fresh toppings like more peanut butter, berries, or nuts for extra goodness. Ideal for busy mornings, they offer sustained energy and a robust protein boost, making them a perfect grab-and-go option.

Updated on Sun, 01 Feb 2026 22:57:16 GMT
Thick, creamy High-Protein Peanut Butter Overnight Oats layered in a glass jar and topped with fresh fruit. Save
Thick, creamy High-Protein Peanut Butter Overnight Oats layered in a glass jar and topped with fresh fruit. | frizplo.com

High-Protein Peanut Butter Overnight Oats are a velvety and nourishing breakfast solution. Velvety oats soak up creamy peanut butter, vanilla, and a boost of protein, transforming overnight into a rich, satisfying breakfast. Topped with fruit or nuts, these oats deliver a nourishing, grab-and-go start to your day.

Thick, creamy High-Protein Peanut Butter Overnight Oats layered in a glass jar and topped with fresh fruit. Save
Thick, creamy High-Protein Peanut Butter Overnight Oats layered in a glass jar and topped with fresh fruit. | frizplo.com

Preparation is as simple as mixing and waiting. This dish is designed for busy mornings, providing a generous serving of fuel that tastes like a treat while remaining deeply nourishing.

Ingredients

  • Base: ½ cup (45 g) old-fashioned rolled oats, ¾ cup (180 ml) unsweetened milk of choice (dairy, soy, or pea milk), ¼ cup (60 g) plain Greek yogurt (or high-protein non-dairy yogurt), 2 tbsp (32 g) natural peanut butter (smooth or crunchy), 1 scoop (20–30 g) vanilla or unflavored protein powder (whey or plant-based), 1–2 tsp (5–10 ml) honey or maple syrup (optional), ½ tsp pure vanilla extract, pinch of fine sea salt, 1–2 tbsp water or extra milk as needed.
  • Optional Add-Ins: 1 tbsp chia seeds or ground flaxseed, ½ tsp ground cinnamon, 2–3 tbsp diced banana, berries, or apple, 1 tbsp mini dark chocolate chips or cacao nibs, 1 tbsp chopped roasted peanuts.
  • Toppings: 1 tbsp peanut butter, fresh fruit (banana slices, strawberries, blueberries), dollop of Greek yogurt, toasted nuts or seeds (peanuts, almonds, pumpkin seeds), drizzle of honey or maple syrup, pinch of flaky sea salt.
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Instructions

1. Select Container
Select a clean jar or container with a tight-fitting lid (12–14 oz / 350–400 ml capacity).
2. Combine Drys
Add rolled oats to the jar. Stir in chia seeds, flaxseed, cinnamon, and protein powder if using. Add a pinch of salt.
3. Whisk Wets
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 the mixture is too thick.
4. Mix Together
Pour the peanut butter mixture over the oats and dry ingredients. Stir very thoroughly, making sure there are no dry pockets.
5. Adjust Liquid
If the mixture is very thick, add a splash more milk and stir again.
6. Add Mix-ins
Stir in sturdy fruits or chocolate chips now, if using. For delicate fruit, add just before serving.
7. Rest
Seal the container and refrigerate for at least 4 hours, preferably overnight (8–12 hours).
8. Stir and Check
In the morning, stir well and check the consistency. Add a bit more milk if desired.
9. Garnish
Top with a spoonful of peanut butter, fresh fruit, yogurt, nuts or seeds, and a drizzle of honey or maple syrup. Sprinkle with flaky sea salt if desired.
10. Serve
Enjoy straight from the jar or transfer to a bowl. Refrigerated leftovers keep for up to 2 days; add fresh fruit just before serving.

Zusatztipps für die Zubereitung

For extra protein, use high-protein milk (soy, pea), a full scoop of protein powder, and thick Greek yogurt. Ensure you stir very thoroughly to avoid dry clumps of protein powder at the bottom of the jar.

Varianten und Anpassungen

To make this recipe vegan, use plant-based milk and yogurt, vegan protein, and maple syrup. To lower the sugar content, skip the sweeteners and use ripe fruit or vanilla protein powder for natural sweetness. You can also swap peanut butter for almond, cashew, or mixed nut butter.

Serviervorschläge

Serve these oats topped with fresh banana slices, strawberries, or blueberries for a fresh contrast. Adding toasted nuts or seeds like peanuts, almonds, or pumpkin seeds provides a satisfying crunch to the creamy base.

A satisfying High-Protein Peanut Butter Overnight Oats breakfast, perfect for busy mornings and grab-and-go cups. Save
A satisfying High-Protein Peanut Butter Overnight Oats breakfast, perfect for busy mornings and grab-and-go cups. | frizplo.com

These High-Protein Peanut Butter Overnight Oats contain approximately 600 calories, 22g of fat, 54g of carbohydrates, and 40g of protein. They are a gluten-free option if using certified gluten-free oats and contain peanuts and potentially dairy or soy depending on your choice of ingredients.

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Recipe FAQ

How long do these oats need to chill?

For optimal texture and flavor, these oats should ideally chill for at least 8 hours, and preferably overnight (8-12 hours). This allows the oats to fully soften and the flavors to meld properly.

Can I make these vegan?

Yes, absolutely! To make a vegan version, ensure you use plant-based milk (like soy or pea milk), a non-dairy high-protein yogurt, and a plant-based protein powder. Sweeten with maple syrup instead of honey.

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

The consistency is easily adjustable. If your oats are too thick in the morning, simply stir in a splash more milk (dairy or plant-based) until you reach your desired texture. If they are too thin, next time you prepare them, you can try reducing the liquid slightly or adding a tablespoon of chia seeds to help them thicken.

How long do leftovers last?

Refrigerated leftovers will keep well for up to 2 days. For the best experience, add any delicate fresh fruit toppings just before serving, as they can become mushy over time.

Can I use different nut butters?

Certainly! While peanut butter is specified, you can easily swap it for other nut butters like almond, cashew, or even a mixed nut butter. This allows for varied flavors and nutritional profiles.

What kind of oats work best for this preparation?

Old-fashioned rolled oats are recommended for this preparation. They provide the best texture, becoming creamy yet still slightly chewy when soaked overnight. Instant oats can become too mushy, and steel-cut oats won't soften sufficiently without cooking.

High-Protein Peanut Butter Overnight Oats

Creamy, high-protein peanut butter oats. Prepare overnight for a quick, satisfying, and nourishing grab-and-go breakfast.

Prep duration
10 min
Time to cook
480 min
Complete duration
490 min
Created by Madison Young

Classification Snacktime Favorites

Complexity Level Easy

Cultural Origin American

Output 1 Portion Count

Dietary requirements Meat-Free, No Gluten

Components

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
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).

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 the mixture is too thick.

Step 04

Combine Mixtures: Pour the peanut butter mixture over the oats and dry ingredients. Stir very thoroughly, ensuring there are no dry pockets.

Step 05

Adjust Consistency: If the 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 the container and refrigerate for at least 4 hours, preferably overnight (8–12 hours).

Step 08

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

Step 09

Add Toppings: Top with peanut butter, fresh fruit, yogurt, nuts or seeds, and a drizzle of 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.

Necessary tools

  • Jar or container with lid (12–14 oz)
  • Mixing bowl
  • Whisk or spoon

Allergy details

Review each component for potential allergens and seek professional healthcare advice if you're uncertain.
  • Contains peanuts
  • Contains dairy (if using dairy milk/yogurt)
  • May contain tree nuts (if used)
  • May contain soy (if using soy milk or certain protein powders)
  • Gluten-free if using certified gluten-free oats

Nutritional breakdown (per portion)

These values are provided as estimates only and shouldn't replace professional medical guidance.
  • Energy Content: 600
  • Fats: 22 g
  • Carbohydrates: 54 g
  • Proteins: 40 g