Overnight Oats Ratio (2024)

Overnight oats is a no-cook method for making oatmeal. The basic idea is that you allow old-fashioned oats to soak in milk overnight (or for a few nights), so by the time you are ready to eat them in the morning, they are soft and easy to digest.

You can add ingredients to overnight oats before soaking overnight, or you can mix in ingredients after for a delicious breakfast.

Typically, overnight oats are served chilled, straight from the refrigerator. You can also grab the container from your refrigerator in the morning and head off to your office and eat them once you arrive (or on your commute if you are not driving).

Or you can warm overnight oats in the microwave for 30-45 seconds to warm them quickly if you prefer.

Related: 50+ Healthy Breakfast Ideas, Date Shake, Chocolate Banana Smoothie, and Orange Julius Recipe.

Overnight Oats Ratio (1)

Overnight Oats Basic Ratio = 1/2 cup old-fashioned oats + 3/4 cup milk

This is what I usually make for one serving. I’ll add other things to this, but I’ll share more about that below. If you want to double or triple this to make multiple servings you easily can.

You can use any kind of milk you prefer. I typically use 2% dairy milk, as that’s typically what we have at our house. But, anything from whole to skim milk works, or a non-dairy option like soy milk, almond milk, or another option that you prefer.

Overnight Oats Ratio (2)

Here you can see (on the right) the more soupy-liquid version is the overnight oats before they have soaked overnight. The mug on the left is the overnight oats after two nights of soaking.

You can make overnight oats up to five days ahead of time. They get softer the longer they soak.

Overnight Oats Ratio (3)

If you want to sweeten the basic ratio recipe, I will typically add some chopped fruit to the bottom (or mixed in), a tablespoon or two of fruit jam, or stir a little honey or maple syrup into the milk before combining with the oats.

Check out this video for the process:

Overnight Oats Ratio (4)

You can make overnight oats with:

  • Yogurt – I will usually substitute 1/4 cup of the milk for 1/4 cup of yogurt or mix in a little yogurt after the oats are already done.
  • Protein powder – stir a little into the milk before soaking.
  • Peanut butter – or any nut butter you prefer
  • Fresh fruit – chopped up and added before soaking or after.
  • Fruit jam – added to the bottom of the container before soaking, so it’s like a store-bought fruit bottom yogurt. Simply stir before eating.
Overnight Oats Ratio (5)

Now that you know the basic ratio for overnight oats and some ideas for ingredients you can add, here are four ideas for overnight oats.

I also love this Elvis overnight oats recipe with peanut butter and banana.

Need something quicker? Try this 5 minute oatmeal recipe.

Overnight Oats Ratio (6)

While I love basic overnight oats, they can be a little boring and I don’t love a cold breakfast in the winter. For that reason, I highly recommend you try overnight BAKED oatmeal, which is typically made in larger quantities and can be rewarmed throughout the week if it’s just you eating it.

  • Overnight Baked Blueberry Muffin Oatmeal – one of my favorite recipes on our whole site.
  • Overnight Baked Apple Oatmeal – tastes like autumn
  • Overnight Baked Banana Bread Oatmeal – a healthier alternative to banana bread
  • Pineapple Upside Down Overnight Baked Oatmeal
  • Strawberry Shortcake Overnight Baked Oatmeal
Overnight Oats Ratio (7)

If you love overnight oats, you might also love these cookie recipes:

  • No Bake Chocolate Oatmeal Cookies – my all-time favorite cookie
  • No Bake Pumpkin Oatmeal Cookies – the autumn version
  • Lisa’s Basic Oatmeal Cookies – the only classic oatmeal cookie recipe you’ll ever need
  • Cowboy Cookies – oatmeal, chocolate, coconut, pecans—these are fun!
Overnight Oats Ratio (8)

Frequently Asked Questions

Are overnight oats healthy?

If you are looking for a simple, whole food breakfast that is also high in fiber, overnight oats can be a great option.

Why make overnight oats?

For an easy, no-cook, and fast breakfast option. Once you make the oats the night before, you will have breakfast ready in the morning with little to no effort at all.

Can I use water instead of milk in overnight oats?

Yes, but the results may be pretty bland in flavor. Milk adds a creaminess as well. But water will work if you prefer to use it in place of a milk option.

Overnight Oats Ratio (9)

You can store overnight oats in any reusable glass or plastic container that has a lid. I will sometimes use a coffee mug and add a lid by covering it with a small piece of aluminum foil.

You should let your oats soak for at least eight hours (overnight) and you can make them up to five days ahead of when you plan to consume them.

What do you mix into oatmeal? xo. Emma

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Overnight Oats Ratio (10)

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Overnight Oats Ratio (11)Get the Recipe

how much milk to use when making overnight oats

Yield 1

Prep 2 minutes mins

Soak Time 8 hours hrs

Total 8 hours hrs 2 minutes mins

Instructions

  • Stir the ingredients together.

  • Store in a container with a lid for at least 8 hours.

  • Mixture can be stored for up to 5 days.

  • Serve chilled or warm in the microwave.

Notes

Use any dairy or non dairy milk you like.

You can substitute 1/4 cup milk with the same amount of yogurt for a creamier consistency.

You can mix some protein powder in with the milk before combining with oats.

You can stir in other ingredients to the overnight oats like: fresh fruit, nuts, nut butter, fruit jam, or yogurt.

See post for lots of other overnight oat recipes plus other great recipes that contain oats.

© Author Emma Chapman

Course Breakfast

Cuisine American

Keywords overnight oatmeal

Nutrition

Nutrition Facts

Overnight Oats – Basic Ratio

Amount per Serving

Calories

263

% Daily Value*

Fat

9

g

14

%

Saturated Fat

4

g

25

%

Polyunsaturated Fat

1

g

Monounsaturated Fat

2

g

Cholesterol

22

mg

7

%

Sodium

72

mg

3

%

Potassium

421

mg

12

%

Carbohydrates

36

g

12

%

Fiber

4

g

17

%

Sugar

9

g

10

%

Protein

11

g

22

%

Vitamin A

296

IU

6

%

Calcium

246

mg

25

%

Iron

2

mg

11

%

* Percent Daily Values are based on a 2000 calorie diet.

Notice: Nutrition is auto-calculated, using Spoonacular, for your convenience. Where relevant, we recommend using your own nutrition calculations.

Overnight Oats Ratio (2024)

FAQs

What is the ratio of liquid to oats for overnight oats? ›

The only ratio you need to remember when making overnight oats is 1:1. You'll soak one part rolled oats with one part liquid overnight. Use less liquid if you want thicker oatmeal, more if you like it runny. You can use water or any type of milk (like almond milk, soy milk, coconut milk, etc.)

What is the best portion size for overnight oats? ›

Overnight Oats Basic Ratio = 1/2 cup old-fashioned oats + 3/4 cup milk. This is what I usually make for one serving. I'll add other things to this, but I'll share more about that below. If you want to double or triple this to make multiple servings you easily can.

What is the secret to overnight oats? ›

Add Twice as Much Milk as Oats

Whether you prefer whole milk, rice milk or coconut milk, you can use it. Just make sure to add twice as much milk as oats. Note: You can also use whey, buttermilk or thinned yogurt for a tangier flavor.

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."

What is the best oatmeal ratio? ›

Does oatmeal taste better with milk or water? As I stated above, oatmeal tastes best with a 2:1 ratio of milk to water. If you're using ½ cup of oats, then use 1 cup of milk and ½ cup of water to cook the oatmeal. If you're looking to make your oatmeal extra creamy, use all plant milk.

Do you stir overnight oats before putting in the fridge? ›

In a large glass jar, combine the oats, milk, yogurt, maple syrup or honey, chia seeds, vanilla cinnamon, and sea salt. Stir well to make sure all the ingredients are combined. Cover with a lid and place in the refrigerator overnight. In the morning, remove from the refrigerator and stir.

What is the best consistency for overnight oats? ›

Make sure you have at least double the liquid per each serving of oats (so, 1 cup of milk to ½-cup of oats), increasing the amount if you want a soupier texture. We love the chewy, hearty texture of steel-cut oats, but they're too firm to use for overnight oats.

Should overnight oats be runny or thick? ›

Instead you'll have something more like cement. Yet, use too much liquid and you'll end up with soup. Follow this tip: Stick with a 2:1 ratio of liquid to oats when making overnight oats to achieve a spoonable, porridge-like consistency.

What if I don't have yogurt for overnight oats? ›

Plant-Based Milk: Almond milk, soy milk, oat milk, coconut milk, or whichever plant-based milk you enjoy most will work. Chia Seeds: Adding chia seeds helps with thickness and creaminess which is extra important when omitting yogurt.

What is the best milk for overnight oats? ›

Dairy milk and oat milk both work well. Coconut milk adds rich flavor and yields an especially creamy texture. Maple syrup – For sweetness. Honey works too.

How long should overnight oats soak? ›

Add oats, milk, yogurt, maple syrup, chia seeds, vanilla and sea salt into a jar or storage container with a lid. Stir ingredients together. Place in the fridge overnight. If you're in a rush you can shorten the soak time to 2-4 hours.

What happens to your body when you eat overnight oats everyday? ›

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.

Why did my overnight oats not work? ›

If you don't add enough liquid, your oats will be dry and clumpy in the morning, making them less enjoyable to eat. Make sure to add enough milk or yogurt to fully cover your oats and give them a creamy consistency.

What makes overnight oats taste better? ›

You only need two ingredients to make overnight oats, which are, of course, milk and oats. But it probably won't taste very good, and by adding in Greek yogurt, chia seeds, and a drizzle of your favorite sweetener, you're really creating a well-rounded breakfast.

How much liquid for 1 cup of oats? ›

These basic cooking instructions can be found on the back of our Quick Cooking Rolled Oats and are super simple to follow! Just bring 2 cups water and ¼ teaspoon salt to a boil, and then add 1 cup of oats. Reduce heat to medium-low and cook for 3 minutes, stirring occasionally.

Why does oats overnight say not to use water? ›

Can I use water? No. Adding enough water to make your oats drinkable will greatly damage the taste. Think of it like eating cereal with water, don't do it!

How soupy should overnight oats be? ›

Yet, use too much liquid and you'll end up with soup. Follow this tip: Stick with a 2:1 ratio of liquid to oats when making overnight oats to achieve a spoonable, porridge-like consistency.

What is the ratio of whole oats to water? ›

Whole oat groats – Whole oat groats leave the grain intact. Consequently, they take the longest to cook and require the most liquid – 4 cups water for every 1 cup oats. Steel cut oats – My favorite! These are oat groats that have been roughly chopped.

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