How to Make Oatmeal For Babies

by Eat Well with Lex

Try this easy homemade oatmeal for your baby and you’ll never use store-bought baby cereal again. Moms should not have to choose between health and convenience so I will show you an easy way to make homemade oatmeal cereal for babies that is nutrient dense, easy and only requires 5-10 minutes.  

Why You Should Make Homemade Oatmeal for Your Baby:

Oatmeal  is a great first food for babies. Many pediatricians recommend baby cereal for baby’s first food because it has a lower risk of causing an allergic reaction and is easy to digest. Rice cereal has been the most popular for many years but I opted for oatmeal cereal over rice cereal because of its natural nutritional components and to avoid the risk of  arsenic exposure n rice cereals. 

After doing extensive research to find the best and most organic oatmeal cereal for Aria, I realized that most store bought baby cereals are basically ground up rolled oats that are convenient but packed with sugar and preservatives. This is one reason why you should ditch store-bought baby cereal and make this easy homemade oatmeal for your baby. 

One thing to note is that store-bought baby cereals are usually fortified with iron whereas homemade cereal is lower in iron content. This is entirely okay because babies can get iron through breastmilk and formula. 

I use Bob’s Red Mill Old Fashioned Rolled Oats

Reasons to Love Oatmeal for Babies: 

  • Nutrient-dense. It is packed with antioxidants, fiber, manganese, iron, and zinc. 
  • Great way to introduce texture. You get to control the texture from thin to thick and grainy.
  • Easy on your baby’s digestive system.
  • Prevent constipation. It is fiber-rich and acts as a natural laxative. 
  • Easy to make. These two homemade methods only need 5-10 minutes
  • Budget-friendly. You can make a ton for a fraction of the cost. 
  • Freezer-friendly. Can be stored for up to 3 months in the freezer

Two Ways to Make Homemade Oatmeal for Babies:

  1. Cook the oatmeal then blend in food processor or blender
  2. Grind in a food processor or blender to a powder then add warm water

My favorite method is to cook the oatmeal then blend because it creates a smoother texture for baby and Aria prefers it that way. With this method you get to meal prep and freeze as much as you’d like for up to 3 months. 

If you prefer fresh oatmeal for your baby and texture doesn’t matter, grinding the oatmeal in a food processor or blender works well and can be stored in an airtight container in the pantry or fridge. 

Method 1 – Cooked Oatmeal 

Step 1: Bring 2 cups of water to a boil.

Step 2: Add 1 cup of old-fashioned rolled oats and cook for 5 minutes or until liquid has absorbed and the oats are soft. Make sure to stir constantly to prevent burning. 

Step 3: Transfer cooked oats to a blender or food processor and pulse until smooth. You may gradually add water or breastmilk until it reaches your desired consistency.

Tip: I like to use breast milk as a thinner but if you choose to do this make sure to use fresh milk and not thawed out milk because breastmilk should not be refrozen. 

Method 2 – Oat Powder

Step 1: Add 1-2 cups of old-fashioned oats to a food processor or blender. Blend until a fine oat powder is formed.

Step 2: In a bowl add 1 tablespoon (or desired amount) of oat powder with 1-2 tablespoons of warm water or breastmilk. Stir until smooth and add more liquid if needed.  

How to Add Flavor to Baby Oatmeal: 

While oatmeal is great by itself, it’s even better when flavored. I started with plain oatmeal at 4.5 months then after my baby tried a few different foods I added flavor with a pinch of cinnamon or fruit puree. 

Here are 3 tasty flavor combinations for baby oatmeal:

  1. Toasted mashed banana
  2. Apple & Cinnamon
  3. Blueberry & Cinnamon

Tip: Mash or blend the fruits so that they can easily mix into the oatmeal.

Other nutritional supplements to add to baby oatmeal (6months+):  

  1. Chia seeds
  2. Hemp seeds
  3. Flax meal 

Health Benefits of Oatmeal for Babies:

Oatmeal is a great first food for babies for a variety of reasons. It helps their digestive system and is packed with essential vitamins and minerals for baby’s development. 

  • Loaded with antioxidants which helps to protect babies from free radicals. 
  • It is a fiber-rich food which is great for babies starting solids. Baby’s usually experience constipation when they start to eat solid foods, so oatmeal acts as a natural laxative.
  • Healthy source of omega-3 fatty acids which is essential for brain health.

How to Store Baby Oatmeal:

Refrigerator: You can store the oatmeal in the fridge in an airtight container for 3-4 days.
Freezer: Baby oatmeal can be frozen for up to 3 months. 

Here is how I freeze and store my baby oatmeal:

  1. Pour the oatmeal puree into a freezer safe mold or container.
  2. Place the mold or container into the freezer and allow the puree to freeze completely. I usually freeze them overnight.
  3. Once frozen, pop out each cube of frozen puree and store in freezer ziploc bags or stasher bags. Make sure to label with the date. 

Tools for Making Homemade Baby Food:

Oatmeal For Babies

Prep Time: Cooking Time:
Nutrition facts: 200 calories 20 grams fat
Rating: 4.0/5
( 2 voted )


1 cup old fashioned rolled oats

2 cups water

Breastmilk, formula or water to thin when blending, if needed

Optional: Fruit puree or pinch of cinnamon for flavor


  1. In a medium saucepan, bring 2 cups of water to boil.
  2. Add 1 cup of old-fashioned rolled oats and cook for 5 minutes or until liquid has absorbed and the oats are soft. Make sure to stir constantly to prevent burning.
  3. Transfer cooked oats to a blender or food processor and pulse until smooth. Gradually add breastmilk, formula or water to thin if needed.


How to store: Store in an airtight container for up to 3 days in the fridge or freeze for up to 3 months. I like to freeze the cooked oatmeal in baby food mold then store in stasher bags. Each mold is 1 ounce which makes it easy to thaw the right amount per serving. Don't forget to label storage containers with dates.

How to thaw and reheat: Thaw oats at room temperature or reheat in a saucepan. Oats can become thick and sticky once thawed. If this happens, add breastmilk, water or formula to thin.

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