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June 19, 2019 13 Comments

Simple Peanut Butter Overnight Oats

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These peanut butter overnight oats are made with old-fashioned oats, peanut butter, chia seeds, and milk. Prep time is just 60 seconds the night before, so you can save time during your busy morning and even enjoy your oatmeal on-the-go!

Peanut butter oatmeal in a jarI started adding oats and almond milk to an almost-empty peanut butter jars for years to scoop out the last bites of peanut butter and eventually learned that “overnight oats” is a similar concept that other people make.

Overnight oats recipes typically involve oats, nut butter, milk and/or yogurt, chia seeds, and sometimes fruit mixed in a jar and left overnight to enjoy in the morning.

You don’t need a microwave or stovetop, so overnight oats are a great travel or dorm breakfast. They’re also a nice break from hot oatmeal in the warm weather.

overnight oats mason jar banana

I’m looking forward to enjoying overnight oats this summer as an easy make-ahead breakfast that I can eat on my way to work or once I arrive at work!

I’m doing a legal fellowship this summer, so I’m currently in Washington, D.C. for two weeks (and sharing some of my D.C. adventures on my Instagram stories!) and then I’ll be working in Raleigh for the rest of the summer.

I’ve experimented with different overnight oats recipes, so I’ll share how I make my favorite version now!

Overnight Oats Ingredients

-Old-fashioned oats: this type of oats gets soft enough without turning into mush overnight. Quick-cooking oats get a bit too soft overnight for my taste, and steel-cut oats don’t get nearly soft enough.

-Chia seeds: they thicken the oat/milk mixture and add some healthy fat. If you omit the chia seeds, the oats won’t thicken as much and you’ll want to decrease the amount of liquid you use.

-Any kind of milk: I usually use either almond or cashew milk from a carton.

Overnight oats ingredients

-No bananas: some recipes call for mashed bananas to sweeten overnight oats but i’m personally not a fan of the texture or appearance of bananas after being refrigerated overnight. But I’ll sometimes add a few slices of banana on top in the morning.

-Optional honey for sweetener. For me, overnight oats are sweet enough without honey, but if you usually add sugar or honey to your regular oatmeal, you may want to use up to a teaspoon of honey.

-Any kind of nut butter, although peanut butter is my favorite

-Other additions or toppings like mini chocolate chips, a sprinkle  of chopped nuts, or other fresh fruit.

How to Make Overnight Oats

First, add chia seeds and oats to a container with a lid. You can make overnight oats in an almost-empty nut butter jar, a small mason jar, or just a regular glass container with a lid.

Making overnight oats chia seeds

Then, just add the peanut butter, honey if using, and milk.

Making overnight oatsIt’ll seem like too much milk at first, but the oats absorb the milk and the chia seeds act as a thickener, too.

Place in the refrigerator overnight or for at least four hours.Making peanut butter oats in a jarNot ready to eat yet…

peanut butter overnight oats

And when the oats are ready, they’ll look like this. You may want to add an extra splash of milk if the overnight oats are too thick for your taste. Hope you enjoy!

peanut butter oats in a jar

If you try this peanut butter overnight oats recipe, feel free to let me know in a comment (and leave a star rating!) or take a photo and tag me @livbane on Instagram! I’d love to see!

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5 from 4 votes

Simple Peanut Butter Overnight Oats

These peanut butter overnight oats are made with old-fashioned oats, peanut butter, chia seeds, and milk. Prep time is just 60 seconds the night before, so you'll save time during your busy morning and you can enjoy your oatmeal on-the-go!
Prep Time: 5 minutes
Chill time 4 hours
Servings: 1 serving
Calories: 300kcal
Author: Liv

Ingredients

  • 1/2 cup old-fashioned oats
  • 1 tsp. chia seeds
  • 1 Tbsp. peanut butter
  • 1 tsp. honey (optional for sweetness; I omit)
  • 1/2 cup milk (I use original almond milk)
  • Optional toppings: fresh berries or banana slices

Instructions

  • Add old-fashioned oats and chia seeds to a 1/2 pint mason jar or other container with a lid. 
  • Add peanut butter, honey if using, and milk, and stir to combine. Place jar in refrigerator for at least 4 hours (or overnight) to allow chia seeds to soften.
  • Add an extra splash of milk right before enjoying, if needed. Top with berries or banana slices if desired.

Nutrition

Serving: 1serving | Calories: 300kcal | Carbohydrates: 37g | Protein: 10g | Fat: 13g | Saturated Fat: 2g | Polyunsaturated Fat: 2g | Monounsaturated Fat: 2g | Fiber: 7g | Sugar: 5g

A Healthy Liv original recipe

Other healthy oatmeal recipes:

Mixed Berry Baked Oatmeal Cups
4-Ingredient Peanut Butter Banana Oatmeal Cookies
Healthy Blueberry Banana Oatmeal Pancakes for One

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Comments

  1. Mackenzie @ Nibble to Nourish says

    July 8, 2019 at 12:34 pm

    Made this one last night (for breakfast this morning) using almond butter, and I added some fresh blueberries on top. So delish!

    Reply
    • Liv says

      July 9, 2019 at 1:05 am

      Yay, I’m so glad you enjoyed these overnight oats! Love the almond butter and blueberry additions!

      Reply
  2. Mark says

    August 5, 2019 at 8:58 pm

    5 stars
    Been making this for a couple of weeks now and they are a hit! I use whatever milk I have around and then the add ins are the easeiest- I switch it up with dried fruits (that will plump over night) and will add a drop or two of vanilla extract for some flavor. So easy! Thanks!

    Reply
    • Liv says

      August 8, 2019 at 9:12 am

      So glad you’ve been enjoying this overnight oats recipe! Dried fruit sounds perfect!

      Reply
  3. Amanda Brown says

    August 11, 2020 at 12:09 am

    I loved this recipe .

    Reply
    • Liv says

      August 18, 2020 at 5:15 pm

      Yay, I’m so glad to hear it! Thanks, Amanda!

      Reply
  4. Tammy says

    August 27, 2020 at 7:31 am

    Hi,

    Can’t wait to try this recipe tonight!

    Just curious, could one opt for yogurt instead of the milk? Or half half?

    Please let me know if you have experimented.

    PS – I’M SO HAPPY to have found a recipe WITHOUT banana!!!

    Reply
    • Liv says

      August 27, 2020 at 6:09 pm

      Hi Tammy! I’d do half yogurt and half milk since yogurt will make the oats much thicker than milk, and then add an extra splash of milk before enjoying if they’re still too thick for you! Hope you enjoy 😀

      Reply
  5. Lauren says

    May 3, 2021 at 2:00 pm

    5 stars
    Hi how many grams is half a cup I have a glass breakfast jar set and the lid acts as a portion control which is 50g is this to much the right amount or too little for the oats really want to make these this evening for tomorrow morning
    Thanks 😊

    Reply
    • Liv says

      May 8, 2021 at 12:13 pm

      Hi Lauren, 1/2 cup oats should weigh about 40 grams!

      Reply
  6. Julie says

    July 26, 2021 at 6:06 pm

    How long does it last

    Reply
    • Liv says

      August 6, 2021 at 8:22 am

      These taste best made the night before!

      Reply
  7. Lins says

    December 13, 2022 at 10:55 am

    5 stars
    This is an easy go to for me. I make often at night and then I have breakfast or lunch ready to go the next day! I take it to work in a mason jar and microwave it- so yummy! Thank you!!!

    Reply

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Hi, I’m Liv! I originally started blogging to share easy meals I made in my college dorm kitchen. Years later, as an attorney now, my goal is still to share delicious, approachable recipes with simple ingredients. You can most often find me running, eating ice cream, and making a mess in my kitchen. More...

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