These oatmeal blueberry muffins are a delightful way to start your day or enjoy as a snack. They are moist, flavorful, and packed with juicy blueberries. The combination of oats and blueberries not only makes these muffins delicious but also adds a nutritious touch.
Most of the ingredients for this recipe are commonly found in your pantry. However, you might need to pick up fresh blueberries if you don't have them on hand. Ensure you have rolled oats, which are different from instant oats, as they provide the right texture for the muffins.

Ingredients For Oatmeal Blueberry Muffins
Rolled oats: These provide a hearty texture and nutty flavor to the muffins.
Milk: Used to soak the oats, making them soft and adding moisture to the muffins.
All-purpose flour: The base of the muffin batter, giving structure to the muffins.
Brown sugar: Adds sweetness and a slight molasses flavor.
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.
Blueberries: Fresh or frozen, they add bursts of juicy sweetness.
Egg: Binds the ingredients together and adds richness.
Vegetable oil: Adds moisture and helps keep the muffins tender.
Vanilla extract: Adds a warm, sweet flavor that complements the blueberries.
Technique Tip for This Recipe
When combining the wet and dry ingredients, it's crucial not to overmix the batter. Overmixing can cause the gluten in the flour to develop too much, resulting in dense and tough muffins. Stir just until the ingredients are combined, and it's okay if the batter is a bit lumpy. This ensures a light and tender texture in your oatmeal blueberry muffins.
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 alternative that works well in baking and adds a subtle nutty flavor.
all-purpose flour - Substitute with whole wheat flour: Whole wheat flour adds more fiber and nutrients, though it may make the muffins slightly denser.
brown sugar - Substitute with coconut sugar: Coconut sugar has a lower glycemic index and adds a slight caramel flavor.
baking powder - Substitute with baking soda and cream of tartar: Mix ¼ teaspoon baking soda with ½ teaspoon cream of tartar to replace 1 teaspoon baking powder.
baking soda - Substitute with baking powder: Use 3 teaspoon baking powder to replace 1 teaspoon baking soda, though this may slightly alter the texture.
salt - Substitute with sea salt: Sea salt can be used in the same quantity and adds a slightly different mineral flavor.
blueberries - Substitute with raspberries: Raspberries provide a similar tartness and juiciness, though they may be slightly more delicate.
egg - Substitute with flax egg: Mix 1 tablespoon ground flaxseed with 3 tablespoon water to create a vegan alternative that binds similarly to an egg.
vegetable oil - Substitute with coconut oil: Coconut oil adds a subtle coconut flavor and is a healthier fat option.
vanilla extract - Substitute with almond extract: Almond extract provides a different but complementary flavor, though it is stronger, so use half the amount.
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How to Store/Freeze These Muffins
- Allow the oatmeal blueberry muffins to cool completely on a wire rack before storing. This prevents condensation from forming inside the storage container, which can make the muffins soggy.
- For short-term storage, place the muffins in an airtight container or a resealable plastic bag. Store them at room temperature for up to 2 days. If you prefer, you can line the container with a paper towel to absorb any excess moisture.
- To extend their freshness, store the muffins in the refrigerator. Place them in an airtight container or wrap them individually in plastic wrap. They will stay fresh for up to a week.
- For freezing, wrap each muffin individually in plastic wrap or aluminum foil. This prevents freezer burn and helps maintain their texture.
- Place the wrapped muffins in a resealable freezer bag or an airtight container. Label the bag with the date to 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 1 hour. For a quicker option, microwave the muffin on a microwave-safe plate for about 20-30 seconds.
- To refresh the muffins and bring back their just-baked texture, preheat your oven to 350°F (175°C). Place the thawed muffins on a baking sheet and warm them in the oven for about 5-10 minutes. This step is optional but highly recommended for the best taste and texture.
How to Reheat Leftovers
Preheat your oven to 350°F (175°C). Place the oatmeal blueberry muffins on a baking sheet and cover them loosely with aluminum foil. Heat for about 10-15 minutes until they are warmed through. This method helps maintain their moist texture.
For a quick reheat, use the microwave. Place a muffin on a microwave-safe plate and cover it with a damp paper towel. Microwave on medium power for 20-30 seconds. Be cautious not to overheat, as this can make the muffin rubbery.
If you have an air fryer, preheat it to 300°F (150°C). Place the muffins in the basket and heat for 3-5 minutes. This method gives a slightly crispy exterior while keeping the inside soft.
To reheat on the stovetop, use a steamer. Bring a pot of water to a simmer and place the muffins in a steamer basket over the water. Cover and steam for about 5 minutes. This method helps retain moisture.
For a toaster oven, preheat to 325°F (160°C). Place the muffins directly on the rack or on a baking sheet. Heat for 8-10 minutes until they are warmed through. This method is great for achieving a slightly crisp exterior.
Best Tools for Baking These Muffins
Oven: Used to bake the muffins at the required temperature of 400°F (200°C).
Muffin tin: Holds the muffin batter in individual portions for baking.
Paper liners: Placed in the muffin tin to prevent the muffins from sticking and for easy removal.
Mixing bowl: Used to combine the oats and milk, as well as to mix the dry ingredients.
Second mixing bowl: Used to mix the flour, brown sugar, baking powder, baking soda, and salt.
Measuring cups: Used to measure out the ingredients like oats, milk, flour, and blueberries.
Measuring spoons: Used to measure smaller quantities like baking powder, baking soda, salt, and vanilla extract.
Whisk: Used to beat the egg and mix the wet ingredients together.
Spatula: Used to fold in the blueberries gently into the batter.
Toothpick: Used to check if the muffins are baked through by inserting it into the center.
Wire rack: Used to cool the muffins completely after they have been baked.
Spoon: Used to divide the batter evenly among the muffin cups.
How to Save Time on Making These Muffins
Soak oats overnight: Combine rolled oats and milk the night before to save time in the morning.
Pre-measure ingredients: Measure out flour, brown sugar, baking powder, baking soda, and salt ahead of time.
Use frozen blueberries: Save time by using frozen blueberries instead of fresh ones; no need to wash or sort.
Quick mix method: Use a stand mixer or hand mixer to combine the wet and dry ingredients quickly.
Preheat oven early: Turn on the oven before starting your prep to ensure it's ready when you are.

Oatmeal Blueberry Muffins Recipe
Ingredients
Main Ingredients
- 1 cup Rolled oats
- 1 cup Milk
- 1 cup All-purpose flour
- ½ cup Brown sugar
- 1 teaspoon Baking powder
- ½ teaspoon Baking soda
- ½ teaspoon Salt
- 1 cup Blueberries
- 1 Egg
- ¼ cup Vegetable oil
- 1 teaspoon Vanilla extract
Instructions
- Preheat your oven to 400°F (200°C). Line a muffin tin with paper liners.
- In a bowl, combine oats and milk. Let it sit for 10 minutes.
- In another bowl, mix flour, brown sugar, baking powder, baking soda, and salt.
- Add the egg, oil, and vanilla extract to the oat mixture. Stir well.
- Combine the wet and dry ingredients. Do not overmix.
- Fold in the blueberries gently.
- Divide the batter evenly among the muffin cups.
- Bake for 20 minutes or until a toothpick inserted into the center comes out clean.
- Let the muffins cool in the tin for 5 minutes, then transfer to a wire rack to cool completely.
Nutritional Value
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