These oatmeal blueberry muffins are a delightful way to start your day or enjoy as a snack. They are moist, flavorful, and packed with the goodness of oats and fresh blueberries. Perfect for a quick breakfast or a treat to share with friends and family.
Most of the ingredients for this recipe are common pantry staples, but you might need to pick up fresh blueberries if you don't have them on hand. Make sure to get rolled oats and not instant oats, as they provide a better texture. Vanilla extract is another ingredient that might not be in every kitchen, but it's essential for adding a rich flavor to the muffins.

Ingredients for Oatmeal Blueberry Muffins Recipe
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, providing structure.
Baking powder: Helps the muffins rise and become fluffy.
Baking soda: Works with the baking powder to leaven the muffins.
Salt: Enhances the flavors of the other ingredients.
Sugar: Adds sweetness to the muffins.
Egg: Binds the ingredients together and adds richness.
Vegetable oil: Provides moisture and helps keep the muffins tender.
Vanilla extract: Adds a warm, sweet flavor to the muffins.
Fresh blueberries: Bursts of juicy sweetness in every bite.
Technique Tip for This Recipe
To ensure your blueberries are evenly distributed throughout the muffins, toss them in a small amount of flour before folding them into the batter. This helps prevent them from sinking to the bottom during baking.
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, providing a similar moisture content.
all-purpose flour - Substitute with whole wheat flour: Whole wheat flour adds more fiber and nutrients, though it may make the muffins denser.
baking powder - Substitute with baking soda and cream of tartar: Use ¼ teaspoon baking soda and ½ teaspoon cream of tartar to replace 1 teaspoon baking powder.
baking soda - Substitute with baking powder: Use 2 teaspoon baking powder to replace ½ teaspoon baking soda, but note that it may slightly alter the taste and texture.
salt - Substitute with sea salt: Sea salt can be used in the same quantity and provides a slightly different mineral content.
sugar - Substitute with honey: Honey adds natural sweetness and moisture, though you may need to reduce the liquid content slightly.
large egg - Substitute with flax egg: Mix 1 tablespoon ground flaxseed with 3 tablespoon water to replace one egg, making it a vegan alternative.
vegetable oil - Substitute with coconut oil: Coconut oil provides a similar fat content and adds a subtle coconut flavor.
vanilla extract - Substitute with almond extract: Almond extract offers a different but complementary flavor profile.
fresh blueberries - Substitute with frozen blueberries: Frozen blueberries can be used if fresh ones are not available, though they may add extra moisture.
Other Alternative Recipes Similar to This One
How to Store or Freeze These Muffins
- Allow the muffins to cool completely on a wire rack before storing or freezing. This prevents condensation and sogginess.
- For short-term storage, place the muffins in an airtight container. They can be kept at room temperature for up to 2 days.
- To extend freshness, store the muffins in the refrigerator. Use an airtight container or wrap them individually in plastic wrap. They will stay fresh for up to a week.
- For freezing, individually wrap each muffin in plastic wrap or aluminum foil. This helps to prevent freezer burn and maintain moisture.
- Place the wrapped muffins in a large, resealable freezer bag or an airtight container. Label with the date to keep track of freshness.
- Muffins can be frozen for up to 3 months. For best results, consume within this time frame.
- To thaw, remove the desired number of muffins from the freezer and let them sit at room temperature for about 1-2 hours.
- For a quicker option, microwave the muffins on a low setting for 20-30 seconds or until warmed through.
- To refresh the texture, you can also reheat the muffins in a preheated oven at 350°F (175°C) for about 10 minutes.
- Enjoy your oatmeal blueberry muffins with a cup of coffee or tea for a delightful treat!
How to Reheat Leftovers
Oven Method:
- Preheat your oven to 350°F (175°C).
- Place the muffins on a baking sheet.
- Cover them loosely with aluminum foil to prevent them from drying out.
- Heat for about 10-15 minutes or until warmed through.
Microwave Method:
- Place a muffin on a microwave-safe plate.
- Cover it with a damp paper towel to retain moisture.
- Microwave on medium power for 20-30 seconds. If not warm enough, continue in 10-second intervals.
Toaster Oven Method:
- Preheat your toaster oven to 350°F (175°C).
- Place the muffins directly on the rack or on a small baking sheet.
- Heat for about 5-10 minutes, checking frequently to avoid over-browning.
Steaming Method:
- Fill a pot with a small amount of water and bring it to a simmer.
- Place a steaming basket over the simmering water.
- Put the muffins in the basket and cover with a lid.
- Steam for about 5 minutes or until warmed through.
Air Fryer Method:
- Preheat your air fryer to 300°F (150°C).
- Place the muffins in the air fryer basket.
- Heat for 3-5 minutes, checking halfway through to ensure they don’t overheat.
Best Tools for This Recipe
Oven: Used to bake the muffins at a consistent temperature of 400°F (200°C).
Muffin tin: Holds the muffin batter in individual portions for baking.
Paper liners: Optional, but used to line the muffin tin for easy removal and cleanup.
Mixing bowl: Used to combine the oats and milk, as well as to mix the dry ingredients.
Large mixing bowl: Used to mix the wet ingredients and combine all components of the batter.
Whisk: Used to blend the dry ingredients together and to beat the sugar, egg, oil, and vanilla extract.
Spatula: Used to fold in the blueberries gently without crushing them.
Measuring cups: Used to measure out the rolled oats, milk, flour, sugar, and blueberries accurately.
Measuring spoons: Used to measure the baking powder, baking soda, salt, and vanilla extract.
Toothpick: Used to check if the muffins are fully baked 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 These Muffins
Soak oats overnight: Combine rolled oats and milk the night before to save time in the morning.
Pre-measure ingredients: Measure out all ingredients like flour, sugar, and blueberries ahead of time.
Use muffin liners: Skip greasing the muffin tin by using paper liners.
Mix dry ingredients in advance: Combine flour, baking powder, baking soda, and salt in a bowl the night before.
Quick egg warm-up: Place the egg in warm water for a few minutes to bring it to room temperature faster.
Preheat oven early: Start preheating your oven before you begin mixing ingredients.
Oatmeal Blueberry Muffins
Ingredients
Main Ingredients
- 1 cup rolled oats
- 1 cup milk
- 1 cup all-purpose flour
- 1 teaspoon baking powder
- ½ teaspoon baking soda
- ½ teaspoon salt
- ½ cup sugar
- 1 large egg
- ¼ cup vegetable oil
- 1 teaspoon vanilla extract
- 1 cup fresh blueberries
Instructions
- Preheat your oven to 400°F (200°C). Grease a muffin tin or line with paper liners.
- In a bowl, combine the oats and milk. Let them sit for about 10 minutes.
- In another bowl, whisk together the flour, baking powder, baking soda, and salt.
- In a large bowl, beat the sugar, egg, oil, and vanilla extract until well combined.
- Add the soaked oats and milk mixture to the wet ingredients and mix well.
- Gradually add the dry ingredients to the wet mixture, stirring until just combined. Do not overmix.
- Gently fold in the blueberries.
- Divide the batter evenly among the muffin cups.
- Bake for 18-20 minutes, or until a toothpick inserted into the center of a muffin 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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