These oatmeal muffins are a delightful and wholesome treat perfect for breakfast or a snack. They are moist, slightly sweet, and packed with the goodness of rolled oats. Easy to make and even easier to enjoy, these muffins are sure to become a favorite in your household.
While most of the ingredients in this recipe are common pantry staples, you might need to check if you have rolled oats on hand. Unlike instant oats, rolled oats provide a heartier texture and are essential for this recipe. If you don't have them, they can be easily found in the cereal or baking aisle of your local supermarket.

Ingredients For Oatmeal Muffins Recipe
Rolled oats: These are whole oats that have been steamed and flattened. They add texture and a nutty flavor to the muffins.
Milk: Used to soak the oats, making them tender and moist.
Egg: Acts as a binder and adds richness to the muffins.
Brown sugar: Adds sweetness and a hint of molasses flavor.
Vegetable oil: Keeps the muffins moist and tender.
All-purpose flour: Provides structure to the muffins.
Baking powder: Helps the muffins rise and become fluffy.
Baking soda: Works with the baking powder to give the muffins a good rise.
Salt: Enhances the flavors of the other ingredients.
Vanilla extract: Adds a sweet, aromatic flavor to the muffins.
Technique Tip for Perfect Muffins
To ensure your muffins are moist and flavorful, make sure to let the rolled oats soak in the milk for the full 10 minutes. This allows the oats to soften and absorb the liquid, which helps create a better texture in the final product. Additionally, when mixing the dry ingredients with the wet ingredients, be careful not to overmix. Overmixing can lead to tough muffins. Stir just until the ingredients are combined to keep the batter light and airy.
Suggested Side Dishes
Alternative Ingredients
rolled oats - Substitute with quinoa flakes: Quinoa flakes provide a similar texture and are also gluten-free, making them a good alternative for those with gluten sensitivities.
milk - Substitute with almond milk: Almond milk is a dairy-free option that works well in baking and provides a slightly nutty flavor.
egg - Substitute with flaxseed meal and water: Mix 1 tablespoon of flaxseed meal with 3 tablespoons of water to replace one egg. This mixture acts as a binder and adds a slight nutty taste.
brown sugar - Substitute with coconut sugar: Coconut sugar has a lower glycemic index and provides a similar sweetness and moisture to the muffins.
vegetable oil - Substitute with applesauce: Applesauce can reduce the fat content and add natural sweetness and moisture to the muffins.
all-purpose flour - Substitute with whole wheat flour: Whole wheat flour adds more fiber and nutrients, making the muffins healthier.
baking powder - Substitute with baking soda and cream of tartar: Use ¼ teaspoon of baking soda and ½ teaspoon of cream of tartar to replace 1 teaspoon of baking powder.
baking soda - Substitute with baking powder: Use 3 teaspoons of baking powder to replace 1 teaspoon of baking soda, but be aware this may slightly alter the texture.
salt - Substitute with sea salt: Sea salt can be used in the same quantity and provides a slightly different mineral content.
vanilla extract - Substitute with almond extract: Almond extract offers a different but complementary flavor profile, adding a nutty undertone to the muffins.
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How To Store / Freeze Your Muffins
- To keep your oatmeal muffins fresh and delicious, store them in an airtight container at room temperature. They will stay moist and flavorful for up to 3 days.
- If you want to extend their shelf life, place the muffins in the refrigerator. They will last for about a week. Just make sure they are in an airtight container to prevent them from drying out.
- For longer storage, freezing is an excellent option. Allow the muffins to cool completely on a wire rack. Once cooled, wrap each muffin individually in plastic wrap or aluminum foil.
- Place the wrapped muffins in a large, resealable freezer bag or an airtight container. Label the bag or container with the date so you can keep track of their freshness.
- When you're ready to enjoy a muffin, remove it from the freezer and let it thaw at room temperature for about an hour. For a quicker option, you can microwave the muffin for 20-30 seconds until warmed through.
- To refresh the texture of the muffins, you can also reheat them in a preheated oven at 350°F (175°C) for about 10 minutes. This will bring back their freshly baked taste and texture.
- If you prefer, you can add a touch of butter or jam after reheating to enhance the flavor and make them even more delightful.
How To Reheat Leftovers
Oven Method: Preheat your oven to 350°F (175°C). Place the oatmeal muffins on a baking sheet and cover them with aluminum foil to prevent them from drying out. Warm them for about 10-15 minutes, or until they are heated through. This method helps retain the muffins' original texture and flavor.
Microwave Method: Place an oatmeal muffin on a microwave-safe plate. To keep it moist, you can place a damp paper towel over the muffin. Microwave on medium power for about 20-30 seconds. If it's not warm enough, continue to heat in 10-second intervals. Be cautious not to overheat, as this can make the muffin rubbery.
Toaster Oven Method: Set your toaster oven to 350°F (175°C). Place the oatmeal muffins directly on the rack or on a small baking tray. Heat for about 5-10 minutes. This method is great for achieving a slightly crispy exterior while keeping the inside soft.
Steaming Method: If you prefer a moist and tender oatmeal muffin, try steaming. Place a steamer basket over a pot of simmering water. Put the muffins in the basket, cover, and steam for about 5 minutes. This method is excellent for preserving moisture.
Air Fryer Method: Preheat your air fryer to 320°F (160°C). Place the oatmeal muffins in the air fryer basket, making sure they are not touching. Heat for about 3-5 minutes. This method can give the muffins a slightly crispy exterior while keeping the inside soft and warm.
Best Tools for Baking Muffins
Oven: Used to bake the muffins at the specified temperature of 375°F (190°C).
Muffin tin: Holds the muffin batter in individual portions for baking.
Paper liners: Optional; used to line the muffin tin for easy removal and cleanup.
Mixing bowl: Used to combine the rolled oats and milk, as well as to mix the wet and dry ingredients.
Whisk: Used to whisk together the flour, baking powder, baking soda, and salt.
Measuring cups: Used to measure out the rolled oats, milk, flour, and vegetable oil.
Measuring spoons: Used to measure out the baking powder, baking soda, salt, and vanilla extract.
Spatula: Used to mix the wet and dry ingredients together until just combined.
Toothpick: Used to check if the muffins are done by inserting it into the center of a muffin.
Wire rack: Used to cool the muffins completely after they have been baked.
How to Save Time on Making Muffins
Soak oats overnight: Prepare the rolled oats and milk mixture the night before to save time in the morning.
Pre-measure ingredients: Measure out all your ingredients like flour, baking powder, and brown sugar ahead of time.
Use muffin liners: Skip greasing the tin by using paper liners for easy cleanup.
Mix dry ingredients in advance: Combine flour, baking powder, baking soda, and salt in a bowl the night before.
Quick cooling: Place muffins on a wire rack immediately after baking to cool faster.

Oatmeal Muffins Recipe
Ingredients
Main Ingredients
- 1 cup Rolled Oats
- 1 cup Milk
- 1 Egg
- ½ cup Brown Sugar
- ¼ cup Vegetable Oil
- 1 cup All-Purpose Flour
- 1 teaspoon Baking Powder
- ½ teaspoon Baking Soda
- ½ teaspoon Salt
- 1 teaspoon Vanilla Extract
Instructions
- Preheat your oven to 375°F (190°C). Grease a muffin tin or line with paper liners.
- In a mixing bowl, combine the rolled oats and milk. Let it sit for 10 minutes.
- Add the egg, brown sugar, and vegetable oil to the oat mixture. Mix well.
- In another bowl, whisk together the flour, baking powder, baking soda, and salt.
- Add the dry ingredients to the wet ingredients and mix until just combined. Stir in the vanilla extract.
- Divide the batter evenly among the muffin cups.
- Bake for 18-20 minutes, or until a toothpick inserted into the center comes out clean.
- Allow the muffins to cool in the tin for a few minutes, then transfer to a wire rack to cool completely.
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