As a dietitian, I love oatmeal because it is an extremely versatile and healthy breakfast option that can be reheated and enjoyed in various ways.
When I have busy weeks, I usually make a big batch of oatmeal to last me throughout the whole week, which allows me to have healthy and easy breakfasts prepared.
Whether it's steel-cut oats, quick-cooking oats, or even overnight oats, YES, you can reheat your oatmeal to enjoy a warm and delicious breakfast even when time is limited.
Key Takeaways
The Best Methods for Reheating Oatmeal

Microwave Method
For those looking for the easiest way to reheat oatmeal, the microwave method is the best method.
Stovetop Method
If you have enough time, the stovetop method is ideal for consistent reheating, especially for steel-cut oats.
Air fryer Method
For individual portions or for reheating baked oats, the air fryer works well.
How should I store leftover oatmeal?
When it comes to storing leftover oatmeal, it's important to do so properly to maintain its freshness and quality.
The best way to store leftover oatmeal is by placing it in an airtight container. This helps to prevent air and moisture from entering, which can lead to spoilage.
Before storing, allow the oatmeal to cool to room temperature.
Then, transfer it to the container and seal it tightly. Refrigerate the oatmeal for up to three days, ensuring it is stored in a section where the temperature remains consistently cold.
If you have a large batch of oatmeal, you can divide it into individual portions in ziplock bags, mason jars, of even muffin tins and store them separately for easy grab-and-go breakfasts.

The Benefits of Reheating Oatmeal
Reheating oatmeal offers numerous benefits, making it a popular choice for busy individuals who want a healthy meal. Some advantages include:
Convenience
Reheating oatmeal allows you to enjoy a warm and nutritious breakfast for later use even when you have limited time to cook from scratch.
Versatility
Whether you prefer your oatmeal hot or cold, reheating already-cooked oatmeal provides the flexibility to enjoy it according to your preferences.
Reduced Food Waste
Reheating leftovers reduces food waste by utilizing leftover portions the next morning instead of discarding them.
Customization
Reheated oatmeal can be personalized with a variety of toppings, such as fresh fruit, nuts or nut butter, and spices, to suit your taste preferences and add nutritional variety.

FAQs
What are the drawbacks of eating oatmeal?
While oatmeal is generally healthy, some drawbacks include its high carbohydrate content, which can cause blood sugar spikes in some individuals.
Those with gluten sensitivity should opt for certified gluten-free oats to avoid cross-contamination. Oats also contain phytic acid, which can hinder mineral absorption, but soaking or fermenting oats can help mitigate this issue.
Is oatmeal better for you cooked or raw?
Cooked oatmeal is recommended for better digestibility and nutrient absorption. Raw oats can be harder to digest and may cause gas and other stomach discomfort for some people.
Is steel-cut oatmeal better for you than regular oatmeal?
Steel-cut oats and regular oats have similar nutritional profiles, but differ in texture and cooking time.

Steel-cut oats have a chewier texture, while regular oats (quick-cooking, old-fashioned) are flattened for quicker cooking.
From a nutritional standpoint, they are relatively comparable, with the difference being personal preference and desired texture.
Can you freeze oatmeal?
Yes, cooked oatmeal can be frozen to extend its shelf life.
Portion cooked oatmeal into individual servings and store in airtight containers or freezer bags for up to 6 months.
Thaw in the refrigerator overnight and reheat as desired. Frozen oatmeal may have a slightly different texture, but it remains a convenient option for meal prepping and saving time.
If you're a visual learner, follow this tutorial by Janky Cooking with Jessi on YouTube showing how to reheat oatmeal.
Reheating oatmeal is a simple and effective way to enjoy a warm and delicious breakfast. By following the appropriate methods and incorporating creative toppings, you can elevate your reheated oatmeal to a satisfying and nutritious meal that fits seamlessly into your busy morning routine.
Don't like leftovers? Try my single serving baked oatmeal instead.
More Oatmeal and Oat Flour Recipes
- Easy Strawberry Protein Bars RECIPE (Healthy, Gluten-Free)
- Blueberry Overnight Oats with Protein Powder
- Easy and Healthy Homemade Granola RECIPE (4-ingredients)
- Healthy Pear Crisp Recipe (Gluten-Free)
- Single Serving Baked Oatmeal RECIPE (No eggs, High Protein)
- Healthy Chocolate Banana Bread RECIPE (Easy, Gluten-Free)
- Easy 5-Ingredient Orange Oat Bars RECIPE (Healthy, Vegan)
- Healthy Heavenly Hunks Oatmeal Dark Chocolate RECIPE
- Crispy Oatmeal Cookies with Oil RECIPE (Vegan, No Butter)
- Flourless Pumpkin Bread Recipe (Healthy, Gluten-Free)
- Healthy Heavenly Hunks Oatmeal Dark Chocolate RECIPE
- 12 Healthy Oatmeal Dessert and Snack Recipes (Gluten-Free)
- Protein Pumpkin Overnight Oats (Easy, Healthy)






More Expert Advice on Oatmeal
- Can You Eat Uncooked Oatmeal in a Smoothie – Dietitian Reviews
- Is Oatmeal Better With Milk or Water? Tips For The Best Oatmeal
- Can You Eat Uncooked Oatmeal in a Smoothie – Dietitian Reviews
- Can Oatmeal Cause Gas? Oatmeal and Digestive Health
- Is It Okay to Eat Oatmeal at Night? Foods for a Restful Sleep
- Is Instant Oatmeal Good for Diarrhea?
- Oatmeal Pros and Cons – Dietitian Reviews
- Benefits of Overnight Oats vs Cooked
- What is Blended Oatmeal
- How Long Can Oatmeal Sit Out: A Comprehensive Guide
- Can I Reheat Oatmeal? A Guide to Leftover Oatmeal
- The Ultimate Guide to Perfectly Thickened Oatmeal
- The Perfect Ratio Oats to Milk for Overnight Oats
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