Overnight Oats vs. Cooked Oats: What's the Difference? - No Getting Off This Train (2024)

Have you ever wondered the difference between cold oatmeal vs. hot oatmeal? Here are some recipes and health benefits!

There’s nothing quite like a bowl of oatmeal in the mornings. It’s an easy breakfast, and you can customize it however you want.

I came across this craze called “Overnight oats” a few years ago and finally decided to try it for myself. I’m a busy person, as you probably are too. And sometimes it’s hard to get out all the ingredients to cook a bowl of oatmeal.

Let me tell you, overnight oats quickly became my favorite! It was a total step up from regular oatmeal. I’d make up a few for the week and my healthy breakfast was ready to go.

Overnight Oats vs. Cooked Oats: What's the Difference? - No Getting Off This Train (1)

Have you ever wondered what the difference was between cold and hot oats? Is one healthier than the other?

The short answer is: Both hot oats AND cold oats are good for you, and it’s really your preference as to how you eat them. Hopefully this post will help explain the difference and give you a few ideas!

Overnight Oats vs. Cooked Oats: What's the Difference? - No Getting Off This Train (2)

Health benefits of oats

I recommend oatmeal to all of my clients because oats are a nutrition powerhouse! Here’s what I love about oats:

  • They help lower cholesterol levels
  • They have a good amount of fiber, which keeps you full
  • They can help lower the risk of heart disease
  • They can aid in weight loss
  • They help stabilize blood sugar

Here’s the nutrition info for a 1/2 cup of uncooked oats:

  • 150 calories
  • 27 grams of carbohydrates
  • 4 grams of fiber
  • 5 grams of protein

This is a GREAT source of fiber and protein, both of which are super important in your day. And getting them in early with breakfast really helps!

Overnight Oats vs. Cooked Oats: What's the Difference? - No Getting Off This Train (3)

What are overnight oats?

Overnight oats can sometimes be called “cold oats”, because you soak them overnight in the fridge.

Instead of cooking the oats, you soak them in a liquid: milk, almond milk, coconut milk, oat milk, soy milk, etc. And you can also add other mix-ins like fruit, nuts, and maple syrup.

Once you add all the toppings, you place the container or Mason jar in the fridge overnight and the oats absorb all the liquid, making them soft and easy to eat the next morning. Most people eat it cold, and some let it come to room temperature.

This is a great option for people who love oatmeal but don’t want a hot bowl of oatmeal in the middle of Summer. It’s also a good meal prep option, because you can grab these healthy overnight oats from the fridge and bring it to work with you.

Are cold oats healthier than hot oats?

In terms of nutrition, there really is no difference if you cook oats vs. soaking them in the fridge.

Some people claim that the cooking process removes some of the nutrients in oats. My opinion is: Most of us don’t get enough nutrients anyway, so eating any type of oatmeal- cooked or uncooked- is better than none.

Overnight Oats vs. Cooked Oats: What's the Difference? - No Getting Off This Train (4)

What kinds of oats to use

You’ve probably seen different types of oats at the store, and sometimes it can get confusing! Here’s a breakdown of the most common ones:

  • Old-fashioned oats: These are one of 3 types of rolled oats. Old fashioned oats have a firmer texture and are what I use most when making oatmeal or energy bites.
  • Quick oats: These quick-cooking oats are old-fashioned oats that are cooked and dried, which helps reduce cooking time.
  • Instant oats: This is what you’ll find in the oatmeal packets. They’re rolled out thinner into small pieces, so they cook the quickest.
  • Steel cut oats: These oats are not rolled out like the above kinds. They have a chewy texture and take longer to cook. Steel-cut oats are the kind I recommend for the slow cooker, because they won’t get mushy in there.
Overnight Oats vs. Cooked Oats: What's the Difference? - No Getting Off This Train (5)

How to make overnight oats

The simplest way to make overnight oats is mixing rolled oats and milk, and letting them soak in the fridge overnight. But that’s really boring, so I add any number of things.

This is my basic overnight oats recipe:

  • 1/2 cup rolled oats
  • 1/3 cup milk (Dairy milk or dairy-free milk)
  • 1/3 cup Greek yogurt

The Greek yogurt gives an extra protein boost. And from there I’ll add any combination of mix-ins:

  • Cocoa powder
  • Peanut butter
  • Dried fruit or fresh fruit (blueberries, diced apples, sliced bananas, raisins)
  • Maple syrup
  • Cinnamon
  • Nuts/seeds
  • Chia seeds
  • Flax seed

My favorite overnight oatmeal recipe is this one for Chocolate Peanut Butter Overnight Oats!

The bottom line

In the end, oatmeal is a really healthy choice for breakfast. We all have our own personal preferences, so no matter how you decide to eat it, I highly recommend you make oats part of a healthy diet!

Leave a comment and tell me: What is your favorite way to eat oats? Give us more ideas!

Related posts

  • When is the Best Time to Eat Oatmeal?
  • Brown Rice vs. Oatmeal: Which is Healthier?
  • How to Meal Prep Oatmeal for Busy Mornings
  • Pumpkin Pie Oatmeal

Overnight Oats vs. Cooked Oats: What's the Difference? - No Getting Off This Train (6)

Jaime Bacon

Jaime is a Nutrition Coach through the ISSA and professional writer. She has 4 years experience coaching and 9 years experience in writing. She enjoys cooking easy meals, running, and learning more about food.

Jaime specializes in helping women with ADHD learn to meal plan and cook healthier meals without getting overwhelmed.

See full bio here

Overnight Oats vs. Cooked Oats: What's the Difference? - No Getting Off This Train (2024)

FAQs

Overnight Oats vs. Cooked Oats: What's the Difference? - No Getting Off This Train? ›

Overnight oats help with digestion due to the way they are "cooked" — rather "uncooked." The soaking breaks down the starches that allow you to digest the oats easily (via Bob's Red Mill). The non-cooked process also helps maintain the nutrients, instead of cooking them down by heating up a bowl of oatmeal.

What is healthier, overnight oats or cooked oats? ›

Overnight oats are the more nutritious option, but that doesn't mean that this meal is for everyone.

How are overnight oats different from oatmeal? ›

Overnight oats (also called ONO) is an alternative way of preparing oatmeal that doesn't involve any cooking. Rather than the traditional method of boiling oats, overnight oats are mixed with milk, or a dairy-free alternative, and left overnight in the fridge, allowing the oats to hydrate.

Does cooking oats destroy beta-glucan? ›

Cooking increased the amount of soluble β-glucan but baking decreased it. Thus, cooking appears to be the most favourable process when health effects are concerned.

Does heating overnight oats reduce resistant starch? ›

Reheating doesn't decrease the amount of resistant starch. In place of cooked oatmeal, try uncooked oats soaked in yogurt, milk, or a non-dairy milk and refrigerate overnight (often called overnight oats).

Is it healthy to eat overnight oats everyday? ›

The Bottom Line

Oatmeal's high fiber content and prebiotic qualities may benefit your body in more ways than one. Making oatmeal a regular part of your menu can potentially lower your disease risk, help your gut health thrive, make bowel movements easier and keep you feeling fuller for longer.

Do overnight oats spike blood sugar? ›

Oats are rich in carbohydrates and a fibre called beta-glucan, which helps in the slow release of glucose into the bloodstream. However, consuming oats in isolation and in the morning may lead to a spike in blood sugar levels due to the Dawn effect.

Why is cooked oatmeal more filling than overnight oats? ›

Both cooked oats and overnight oats offer satiety due to their high fiber content. However, some individuals may find cooked oats more filling due to their warm and hearty nature.

Should I refrigerate overnight oats? ›

We recommend storing overnight oats in the refrigerator in airtight containers for up to five days. That means if you're meal-prepping on Sunday, you can make a work week's worth of overnight oats and not have to think about breakfast again until Saturday.

What are the healthiest oats to use for overnight oats? ›

Old-fashioned rolled oats.

Old-fashioned rolled oats are the best choice for overnight oats. They soak up the liquid overnight, leaving you with a creamy (but not mushy) texture. Save steel-cut and quick-cooking oats for another time.

What are the negatives of beta-glucan? ›

Soluble forms of beta-glucans made from yeast or fungi appear safe when taken by mouth. Side effects may include: Diarrhea. Nausea and vomiting.

How do you cook oatmeal without losing nutrients? ›

Studies suggest that cooking oatmeal in a microwave may be better than boiling them over a stove. The microwave cooks food faster. Hence, the nutrient loss may be lower due to shortened cooking time than boiling or cooking over a stove.

Does beta-glucan affect the liver? ›

One study showed that beta-glucan reduced liver damage and oxidative stress in individuals with obstructive jaundice. Oats are a fantastic source of dietary fibre which is important for aiding digestion, maintain a healthy weight and lowering the risk of cancer.

What are the disadvantages of overnight oats? ›

Downsides of Overnight Oats

As a dietitian, one disadvantage I see in many overnight oats (both recipes and ready made) is that they're too low in protein for a balanced meal. I typically recommend most clients aim between 20-30 grams of protein at a meal, and many overnight oat recipes fall well below that benchmark.

What not to add in overnight oats? ›

As Best points out, "some of the worst ingredients that are mistakenly added to healthy overnight oat recipes include chocolate sauce, sugar, syrup, and dried fruit."

Which is better, overnight oats or cooked oats? ›

The intensity of heat while cooking is the contributing factor, lower the heat better the nutrient availability. When you soak the oats overnight, it's almost like you're cooking them, but the process is much longer and slower, and it's done without heat. Hence, it is more nutrient rich than cooked version.

Are baked oats as healthy as overnight oats? ›

One of the most obvious and most noticeable differences between the two is the difference in the temperature of the final product. This temperature difference, however, contributes to making the overnight oatmeal a healthier option.

Is oats healthier cooked or uncooked? ›

Is it better to eat cooked or raw oats? Cooked oats might be easier to digest for some, as cooking helps break down the starch they contain. However, neither way to eat oats is better or worse. How you choose to eat them—either raw or cooked—comes down to personal preference.

Are overnight oats a good meal replacement? ›

Raw oats help you feel fuller and burn more fat, so this is a great meal replacement if you're trying to lose or manage your weight.

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