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How to Make Overnight Oats


Overnight oats are a breakfast game changer! Simple, filling, and delicious oatmeal is high in fiber and whole grains. And whipping them up before bed makes weekday mornings a breeze.

For tons of topping inspiration, check out 30+ Healthy Oatmeal Toppings for Kids.

how to make basic overnight oats

This post was originally written almost 10 years ago, and I had titled it “Swiss Meusli.” This was BEFORE overnight oats started trending online as a breakfast idea. Originally developed in the early 1900’s as a healing food for patients in a Swiss hospital, Muesli is now eaten in Switzerland as an evening dish. 

While I originally grew up calling this breakfast Muesli, overnight oats makes a great breakfast food for those who love the filling nature of a grain based breakfast.  It’s made by soaking oats or other grains and keeping it in the fridge for several hours or overnight so the liquid absorbs into the grains. If you can remember to prepare this the night before, it makes a quick, easy, and healthy breakfast for busy mornings- without the mess!

What Are Overnight Oats?

Overnight oats is a way to prepare oatmeal for breakfast that changes the texture and flavor of regular cooked oatmeal. Simply combine uncooked oats with a liquid, and any other add-ins you desire, and leave in the refrigerator overnight to allow the liquid to absorb into the oats.  In the morning, these oats do not need to be cooked. Just stirred and eaten! This has become increasingly popular in the last few years. Soaked oats are easily digestible, and more appealing for kids who don’t like the texture of cooked oats.

Are Overnight Oats Raw?

Even though YOU don’t cook overnight oats, they’re not a raw food. That’s because old-fashioned oats are steamed and rolled flat (that’s why they’re sometimes called “rolled oats”) before they’re dried and packaged for sale.

This is a good thing: the cooking process helps make oats easily digestible.

How to Make Overnight Oats

Here’s a dead simple formula for making great overnight oats every time:

  • 1 cup oats
    You can use any type of oats.  Rolled oats, steel cut oats, oat groats, or quick oats.
  • 1 to 1 1/2 cups liquid
    • Any liquid can be added.  Popular liquids include milk, almond milk, coconut milk, yogurt, or even juice.
  • 1 teaspoon sweetener
    • I like honey, but you could also use maple syrup, agave, organic brown sugar, date sugars, or nothing at all!
  • Fruit
    • Fresh fruit like apple slices, grapes, melons, berries, bananas, etc. are delicious in overnight oats.
    • You can add dry raisins, apricots, bananas, dates.
  • Optional: Nuts or seeds
    • We usually add chopped pecans.  But walnuts and almonds are also fabulous!

Put oats, liquid, and sweetener combined in fridge overnight.  Add nuts and fruit in the morning.

Are You Supposed to Eat Overnight Oats Cold?

Yes!! This question comes up a lot because we are so conditioned to think of oats as only a hot cereal option. But eating them cold after they are soaked is why overnight oats are different enough for kids to try it who aren’t fans of hot oatmeal.  However, you can also heat up overnight oats and eat them warm as well.

Storing Overnight Oats

Many people choose to store overnight oats in glass jars. This is a great way to keep them. Mason jars are inexpensive, portable, and you can stack them on your refrigerator door and it won’t take up much space. That said, any lidded container will do. Keeping it air tight helps keep the oats soft and moist, and prevents them from drying out, which will happen very quickly if you don’t keep it covered.

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3.8 from 20 votes

Overnight Oats Recipe

Prep Time10 minutes
Cook Time0 minutes
Chill6 hours
Total Time6 hours 10 minutes
Course: Breakfast
Cuisine: American
Servings: 4 servings
Calories: 351kcal


Chocolate Covered Banana

Peanut Butter and Jelly

Strawberries & Cream

Apple Pie

Tropical Pina Colada

  • 2 cups coconut milk
  • 1 cup fresh pineapple diced
  • 1/4 cup coconut flakes


  • Mix together oats, milk, yogurt, honey, chia seeds and vanilla in a large bowl. Pour into 4 individual containers (I love mason jars) and cover with a lid or plastic wrap.
  • Place in the fridge overnight, or at least 4 hours in order for the oats to set up.
  • When you are ready to eat, stir the oats and add more milk if they are too thick. Add your favorite toppings and enjoy!
  • The overnight oats will stay good in your refrigerator for 5 days covered.

Chocolate Covered Banana

  • Make overnight oats according to above directions but stir in nutella when mixing all of the ingredients. Before serving, top with sliced bananas and crushed nuts.

Peanut Butter and Jelly

  • Make overnight oats according to above directions but stir in peanut butter when mixing all of the ingredients. Before serving, top with fruit jam and fresh strawberries.

Strawberries and Cream

  • Make overnight oats according to above directions but stir in vanilla protein powder when mixing all of the ingredients. Before serving, top with fresh strawberries and a drizzle of cream.

Apple Pie

  • Make overnight oats according to above directions. In the morning, dice apples. Melt butter in a small saucepan over medium heat. Add apples and cinnamon and saute until apples begin to soften. Top your overnight oats with the cinnamon apples.

Tropical Pina Colada

  • Make overnight oats according to above directions, but use coconut milk as your milk of choice. Before serving, top with fresh pineapple and coconut flakes.


Calories: 351kcal | Carbohydrates: 58g | Protein: 13g | Fat: 8g | Saturated Fat: 2g | Polyunsaturated Fat: 4g | Monounsaturated Fat: 2g | Trans Fat: 0.01g | Cholesterol: 12mg | Sodium: 83mg | Potassium: 502mg | Fiber: 8g | Sugar: 27g | Vitamin A: 316IU | Vitamin C: 1mg | Calcium: 325mg | Iron: 3mg
Keyword : Overnight Oats


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Natalie Monson

I'm a registered dietitian, mom of 4, avid lover of food and strong promoter of healthy habits. Here you will find lots of delicious recipes full of fruits and veggies, tips for getting your kids to eat better and become intuitive eaters and lots of resources for feeding your family.

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3.75 from 20 votes (20 ratings without comment)

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Well, I’m going to try this. I only have 1 oatmeal eater, but I would love for the other two to eat this. It’s worth a shot!

We eat our Museli raw without any soaking overnight. I keep a big jar readymade on the counter. We just add milk and fruit in the morning. We also throw our mix into yogurt, etc. On really cold days, I put the milk in and then heat it in the microwave.

I love museli soaked or un-soaked. But the soaked variety I know as Bircher Museli and we add grated apple (or apple snow as its known in our house), dried fruits and almonds too. DELISH!!!

I was going to ask…if you have a toddler (just 1), who won’t eat that much at one time, how long will the soaked museli last? But I read the other post about keeping the jar of it ready made, then I can just make a small serving overnight! I’m raising the biggest oatmeal fan and I can’t stand the stuff myself! 🙂

If I kept a jar of ready made, could I add the raisens or other dried fruit to the dry oatmeal? Would that keep ok in ziplocks or jars? Then just add milk?

Too funny! I love that your toddler likes oatmeal despite your aversion. I get these type of questions a lot about how long will things last. They are super hard for me to answer, because my family eats so much, we seldom have leftovers. However, from what I hear, it will last as long as your milk or yogurt would expire by. If your milk expires Friday, I’d eat the muesli by Friday, etc. I’d say for best flavor, use within 3-5 days.
Yes, you could keep the dry oatmeal in jars or bags, and add milk the night before!

We tried it this morning. Loved that I could make it the night before and just toss fruit in the morning. So far myself, my husband, and my one year old likes it … we’ll see when my three year old wakes up :).

Update – the milkie monster approved so our family is now 4 for 4 liking the Swiss Muesli. I’m sold. Off to the cannery I go for the inexpensive oats. We made it with Tillamook French Vanilla yogurt and raisins.

Thanks for the great recipes! The two bean corn bread dish is in my oven right now.

We add freshly grated coconut and date syrup (we live in the Middle East) and raisins. Fresh fruit gets added in the morning.

Hi Anne! Old-fashioned oats really works the best in this recipe. Instant oatmeal would get very mushy because the pieces are smaller and more delicate.

Hi Sara, for a single serving of oats for kids, I’d go with the 250 ml size. But it really depends on the appetites of the people you’re serving! You can even make the whole batch in one big bowl and portion it out in the morning.

I’ve never made overnight oats before, I tried the apple cinnamon version for the first time last night. I found the flavour too strong for my liking. Not sure if it was the yoghurt or peanut butter which gave it quite a strong flavour. Think will experiment with just milk next time

I’m in love with the overnight oats. You can create a lot of different mixtures changing the fruits, the sweetener, the milk etc…You don’t have to cook or heat anything. For people that are always on the run for work, it’s very convenient and also helthy.

I often eat breakfast using oats and milk, but never put it on the night.
but I think this could be a new breakfast reference for me.

thank you for sharing this healthy breakfast recipe