If you’re looking for a breakfast that’s filling, delicious, and practically makes itself, these peanut butter overnight oats are hard to beat. They come together in just a few minutes the night before, and by morning you’ll have a creamy, protein-packed breakfast waiting in the refrigerator. They’re perfect for busy mornings, meal prep, or whenever you want something wholesome without turning on the stove.

Affiliate links may be used in this post, and if so, I will receive a commission at no extra cost. I’m also part of the Amazon Affiliate (Associate) program, where I earn a commission from sales made through my affiliate links. Read the full disclosure policy.

Get My List of 75 Mouth-Watering Favorite Lunch Recipes!

When you join our newsletter

What Are Overnight Oats?

Overnight oats are a simple, no-cook breakfast made by soaking old-fashioned rolled oats in milk overnight. As the oats sit in the refrigerator, they absorb the liquid and soften into a creamy, pudding-like texture without ever needing to be cooked. Many recipes also include ingredients like Greek yogurt, chia seeds, nut butter, honey, or fresh fruit for extra flavor and nutrition. Since they’re prepared the night before, overnight oats are perfect for busy mornings, making breakfast as easy as grabbing a jar from the fridge and enjoying it at home or on the go.

My Favorite Ingredients for Overnight Oats

One of the things I love most about overnight oats is how easy they are to customize with simple pantry staples. I usually start with old-fashioned rolled oats because they soften perfectly overnight without becoming mushy. From there, I add milk, Greek yogurt for extra creaminess and protein, chia seeds to help thicken everything up, and a spoonful of creamy peanut butter for rich, nutty flavor. A splash of vanilla extract and a drizzle of honey or maple syrup bring just the right amount of sweetness, while fresh banana slices, berries, chopped peanuts, or a sprinkle of cinnamon make delicious toppings. These simple ingredients come together to create a satisfying breakfast that keeps me full for hours.

How to Make Overnight Oats: With Easy Recipe Ideas

Frequently Asked Questions

Can I use quick oats instead of old-fashioned oats?

You can, but the texture will be much softer. Old-fashioned rolled oats are the best choice because they stay creamy while still having a little bite after soaking overnight.

How long do overnight oats need to chill?

For the best texture, refrigerate them for at least 4 hours, but overnight (8–12 hours) is ideal.

How long do peanut butter overnight oats last?

Stored in an airtight container in the refrigerator, they stay fresh for up to 4 days, making them great for meal prep.

Can I make this recipe dairy-free?

Absolutely! Use your favorite plant-based milk and swap the Greek yogurt for a dairy-free yogurt or simply leave it out. The oats will still turn out creamy and delicious.

Can I use crunchy peanut butter?

Yes! Crunchy peanut butter adds a little extra texture and a satisfying crunch. Creamy peanut butter simply creates a smoother consistency.

Can I add protein powder?

Yes. Stir in a scoop of your favorite vanilla or unflavored protein powder. You may need to add an extra tablespoon or two of milk to keep the oats from becoming too thick.

Do overnight oats have to be eaten cold?

No. While they’re traditionally enjoyed straight from the refrigerator, you can warm them in the microwave for 30 to 60 seconds if you prefer a warm breakfast.

Can I freeze overnight oats?

Yes. Freeze them in freezer-safe containers for up to 3 months. Thaw overnight in the refrigerator before eating and stir well before serving.

What toppings go well with peanut butter overnight oats?

Banana slices, fresh berries, chopped peanuts, mini chocolate chips, shredded coconut, cinnamon, hemp hearts, or an extra drizzle of peanut butter are all delicious options.

Can I make several jars at once?

Definitely! Overnight oats are one of the easiest breakfasts to meal prep. Prepare multiple jars at the beginning of the week, refrigerate them, and enjoy a ready-to-eat breakfast each morning.

Peanut Butter Overnight Oats

Ingredients

1/2 cup old-fashioned rolled oats
1/2 cup milk (dairy or your favorite plant-based milk)
1/4 cup plain Greek yogurt
1 tablespoon creamy peanut butter
1 tablespoon chia seeds
1 teaspoon honey or maple syrup (optional)
1/2 teaspoon vanilla extract
Pinch of salt

Optional Toppings

Sliced banana
Chopped peanuts
Mini chocolate chips
Fresh berries
Cinnamon
Drizzle of peanut butter
Hemp hearts

Instructions

Add the rolled oats, milk, Greek yogurt, peanut butter, chia seeds, honey, vanilla extract, and salt to a mason jar or airtight container.
Stir everything together until the peanut butter is fully incorporated and no dry oats remain. If needed, use a whisk to help blend the peanut butter into the mixture.
Cover the container and refrigerate for at least 4 hours, though overnight is best. During this time, the oats and chia seeds absorb the liquid, creating a thick and creamy texture.
In the morning, stir the oats well. If they’re thicker than you’d like, add a splash of milk until you reach your desired consistency.
Top with sliced bananas, chopped peanuts, an extra drizzle of peanut butter, or any of your favorite toppings before serving.

Tips

Use old-fashioned rolled oats for the best texture. Instant oats can become too soft, while steel-cut oats stay too chewy.
Make several jars at once for easy breakfasts throughout the week.
For extra protein, stir in a scoop of vanilla protein powder with an additional tablespoon or two of milk.
If you like sweeter oats, add a little extra honey or top with fresh fruit.

Storage

Store peanut butter overnight oats in an airtight container in the refrigerator for up to 4 days, making them an excellent meal prep breakfast.

Recipe Details

Prep Time: 5 minutes
Chill Time: 4 hours (or overnight)
Total Time: 4 hours 5 minutes
Servings: 1
Calories: Approximately 420 per serving

Save