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    Home » Recipes » Muffins and Quick Breads

    Published: Aug 27, 2020 · Last update: Sep 13, 2020 by Paula Montenegro
    Income from ads and affiliate links18 Comments

    Blueberry Oatmeal Muffins

    3853 shares
    Jump to Recipe
    Close up of blueberry muffin crumb, white background, image with text
    Stack of blueberry muffins, white background, image with purple and white text
    Three blueberry muffins in a stack on white background, text on the side

    When juicy blueberries meet oatmeal muffins you get the best of both worlds. These are super moist, soft, not-too-sweet gorgeous muffins that freeze wonderfully and are ready in under 45 minutes! A great breakfast on the run or an afternoon snack with your favorite beverage.

    Table of Contents Open
    Main ingredients
    The oatmeal
    Simple steps
    The batter
    Muffin pan
    Top tips
    Variations
    Storing
    Related recipes you might like:
    Blueberry Oatmeal Muffins
    Ingredients
    Nutrition
    Stack of three golden colored muffins with blueberries, white background, some crumbs

    These muffin recipe became a lifesaver in the mornings (together with the morning glory muffins to be fair) as I'm not a breakfast person except for coffee. So grabbing a blueberry oatmeal muffin on the go is perfect. I keep them frozen and pop them in the oven while my coffee is getting ready.

    Half blueberry muffin in opened paper cup, white surface

    Main ingredients

    • Oats - the traditional kind is the first choice because it holds well after baking, adds texture without being too obvious, and is easily available.
    • Liquid - buttermilk is the best option because it adds some tenderness to the batter, but milk works just as well.
    • Blueberries - use fresh or frozen (without defrosting), they both work well. If fresh, make sure they are washed and dried.
    Different bowls with blueberry oatmeal muffins ingredients on a white surface

    The oatmeal

    This is the part that makes these muffins wonderfully soft, tender and moist.

    Oatmeal is the mixing of oats with a liquid, in this case buttermilk or milk. When they're left to hydrate together, even if it's for a few minutes, the oats soften and change their texture enough to become tender wonderfully chewy in the baked muffin. So don't omit this step.

    Mix lightly and let wait aside (image below) while preparing the rest of the recipe.

    Glass bowl with oats and milk

    Simple steps

    I strongly believe in muffin recipes that involve lightly mixing of the ingredients. They're easy to put together and the results are dense but tender, the best of both worlds if you ask me.

    In this recipe, we start with the oatmeal mixture, as explained before, and then the rest of the ingredients are added to it. So it's like a one-bowl situation, something we love around here.

    Two image collage adding sugar to oatmeal and then eggs

    Sugar, egg, and melted butter are added and mixed (image above and below left). You can use a wire whisk (as I do), a wooden spoon or a spatula. No need for electric beaters of any kind, in fact, they will overbeat the batter so they're discouraged from using them in this recipe.

    The last step is adding the rest of the dry ingredients together with the blueberries (image below, right). This will aid the berries when distributing throughout the muffin as the flour helps keep them in place and not sinking.

    Adding melted butter to dry ingredients, and then blueberries, image collage

    The batter

    After adding the dry ingredients lightly mix it, and that's a strong recommendation I make. Overworking it after adding the flour will produce tough muffins as the gluten starts to develop. We don't want that.

    As you can see in the image below, there are small patches of barely mixed batter here and there. That is fine. Don't worry, they will come out with no dry spots after the blueberry muffins are baked.

    Mixed muffin batter with blueberries, glass bowl, white surface

    Muffin pan

    You can use regular or mini pans. Or jumbo individual muffin tins. Simply adjust the baking times and start checking them 5 minutes earlier for mini ones and 5 minutes later for jumbo.

    I like to use regular muffin pans with paper cup liners, but you can either spray them with baking spray, or butter and flour. If you do the latter, I recommend you put the pan in the fridge while making the batter, just like we do when preparing bundt cake pans. They will pop out more easily after they're baked.

    Collage of blueberry muffin proccess, scooping batter into pan and baked muffins

    Top tips

    • Oatmeal: don't skip this step for softer muffins.
    • Butter: make sure it's not very hot when you add it. Lukewarm works best because it integrates better as the temperatures of both mixtures are similar.
    • Baking: they don't brown too much, but you can bake them a couple of minutes in the end at a higher t° to achieve a more golden top. They will still be moist.
    Focus on single muffin with blueberries, opened paper cup as holder, blurred muffin on white background

    Variations

    • Liquid: besides buttermilk or milk, as suggested in the recipe, you can use nut milk or orange juice.
    • Flavorings: add some lemon or orange zest to the batter, or a ground spice like cinnamon.
    • Berries: raspberries and blackberries work wonderfully also.
    • Sweeter muffin: these are barely sweet, but you can sprinkle each muffin top with a teaspoon sugar before baking, or add a tablespoon of honey to the batter. Or eat them with honey (my favorite way).
    Close up of half a blueberry muffin peeled from a paper cup, white background

    Storing

    Disclaimer: I strongly believe all muffins should be eaten within hours of being baked.

    That said, these keep well for a day (maybe two) at room t°. After that I think the refrigerator is best as they have fruit and it can ferment or decay quickly when not stored properly.

    Freezing: I have these frozen on a regular basis since I can't consume them fast enough. Well wrapped (there's a whole post on freezer baking if you're interested) they keep for a month. When ready to eat, pop the frozen muffin in a medium (350°) oven for 5-10 minutes. Eat warm.

    On a white background a stack of three blueberry muffins

    Related recipes you might like:

    • Raisin Bran Muffins
    • Blueberry Pecan Applesauce Bread
    • Best Oatmeal Muffins (easy recipe)
    • Blueberry Scones

    Let me know in the comments below if you made this recipe and loved it, and if you had issues, so we can troubleshoot together. I love to hear what you think, always. Thanks for being here, it's much appreciated.
    You might also consider subscribing to our FREE email series to Boost your Home Baking Skills! And our regular newsletter.
    And let's connect via Facebook, Instagram, and Pinterest.

    Print
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    Stack of three golden colored muffins with blueberries, white surface and background

    Blueberry Oatmeal Muffins

    ★★★★★

    4.6 from 5 reviews

    Print Recipe
    Save Recipe Recipe Saved

    When juicy blueberries meet oatmeal muffins you get the best of both worlds. These are super moist, soft, not-too-sweet gorgeous muffins that freeze wonderfully and are ready in under 45 minutes! A great breakfast on the run or an afternoon snack with your favorite beverage.

    • Total Time: 45 minutes
    • Yield: 12 medium 1x

    Ingredients

    Units Scale
    • 1 cup (100g) traditional oats
    • ¾ cup buttermilk or milk, at room temperature
    • 1 cup all-purpose or cake flour
    • ¼ teaspoon salt
    • 2 teaspoons baking powder
    • 5 tablespoons butter, melted
    • 1 egg, at room temperature
    • ½ teaspoon vanilla extract
    • Pinch of ground cinnamon
    • ¾ cup brown or white sugar, packed + extra for sprinkling before baking
    • 1 ½ cups blueberries, fresh or frozen

    Instructions

    • Turn on the oven at 350°F/180ºC.
    • Mix oats with the buttermilk in a large bowl and leave to hydrate while preparing the rest.
    • Line 12 muffin cups with liners. Or butter and flour.
    • In a large bowl, mix flour, salt, and baking powder.
    • Add the sugar, melted butter, egg, vanilla and cinnamon to the oatmeal mixture. Mix everything well without beating.
    • Add the rest of the dry ingredients (flour, salt, and baking powder) to the oat mixture together with the blueberries.
    • Mix with a spatula, but without beating and just until blended. It’s important you don’t overmix at this point. 
    • Fill the muffin cups ¾ full, dividing the mixture as evenly as possible.
    • Sprinkle the tops with extra sugar, a bout ½ a teaspoon for each muffin. 
    • Bake 25-30 minutes, or until a tester comes out dry.
    • Let cool completely on a metal rack.
    • Store in the fridge after one day, covered, or freeze for up to a month. 

    Notes

    Oats: you can use quick-cooking oats if that's all you have. The muffins might be a bit chewier and/or wetter.

    Oatmeal: don't skip this step for softer muffins.

    Butter: make sure it's not very hot when you add it. Lukewarm works best because it integrates better as the temperatures of both mixtures are similar.

    Baking: they don't brown too much, but you can bake them a couple of minutes in the end at a higher t° to achieve a more golden top. They will still be moist.

    Freezing: I have these frozen on a regular basis since I can't consume them fast enough. Well wrapped (there's a whole post on freezer baking if you're interested) they keep for a month. When ready to eat, pop the frozen muffin in a medium (350°) oven for 5-10 minutes. Eat warm.

    Variations - Liquid: besides buttermilk or milk, as suggested in the recipe, you can use nut milk or orange juice. Flavorings: add some lemon or orange zest to the batter, or a ground spice like cinnamon. Berries: raspberries and blackberries work wonderfully also. Sweeter muffin: these are barely sweet, but you can sprinkle each muffin top with a teaspoon sugar before baking, or add a tablespoon of honey to the batter. Or eat them with honey (my favorite way). 

    Paper cup liners: I love kraft colored paper baking cups, which can also be more artisanal tulip cupcake liners.

    • Author: Paula Montenegro
    • Prep Time: 15
    • Cook Time: 30
    • Category: Muffins
    • Method: Baking
    • Cuisine: American

    Nutrition

    • Serving Size: 1/12
    • Calories: 169
    • Sugar: 11 g
    • Sodium: 73.1 mg
    • Fat: 5.9 g
    • Carbohydrates: 26 g
    • Protein: 3 g
    • Cholesterol: 29.9 mg

    Keywords: blueberry oatmeal muffins

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    Comments

    1. Gigi says

      April 16, 2022 at 10:12 am

      These were soo moist & delicious - I def will be making them again! I used brown sugar instead of white and also threw in some chopped pecans as I had some that needed using. Thank you for sharing the recipe! 🙂

      ★★★★★

      Reply
      • Gigi says

        April 16, 2022 at 10:15 am

        ...oops, I forgot to add...nor did I sprinkle sugar on the top. Nor did we need to eat them with butter or honey - sweet and moist enough without! 🙂

        Reply
      • Paula Montenegro says

        April 17, 2022 at 5:42 pm

        Love the idea of pecans and brown sugar Gigi! Thanks for letting me know. Happy baking.

        Reply
    2. Chelsea says

      April 09, 2022 at 11:12 pm

      I was wondering if you’d tried substituting with oat flour? I’m thinking of trying these as a breastmilk supply booster

      Reply
      • Paula Montenegro says

        April 10, 2022 at 7:19 am

        Hi Chelsea! I never tried it and don't use oat flour really.
        What I know is that it's lighter and has a different texture than wheat flour and no gluten. So if you're thinking of substituting all of the flour for oat the texture of the muffins I assume will be quite different, not fluffy I imagine and I don't know how much they'll rise. Maybe sub a part of it and see how it goes. I would do a test run without berries and with half the recipe at the most so it's not a waste of ingredients if they don't turn out well. Hope this helps.

        Reply
    3. A Hug n Kiss says

      March 23, 2022 at 12:52 pm

      These muffins went in one afternoon … Super easy …

      Reply
      • Paula Montenegro says

        March 23, 2022 at 5:53 pm

        Happy to know that!

        Reply
    4. Donna says

      January 29, 2022 at 8:03 pm

      Hi, I made your muffins with the orange juice you recommended in the variations along with cranberries for one batch and repeating using orange juice with blueberries for another batch keeping all other ingredients identical to your recipe and they turned out amazing!!! This muffin recipe is definately a keeper worth printing, Thank You!!

      ★★★

      Reply
      • Paula Montenegro says

        January 31, 2022 at 5:53 am

        Happy to know they worked out well Donna!

        Reply
    5. Allison says

      December 04, 2021 at 12:59 am

      These were a big hit at our house! I've made them twice in a row and they go fast! Love how the sugar makes the tops kind of crunchy

      ★★★★★

      Reply
      • Paula Montenegro says

        December 04, 2021 at 2:04 pm

        So happy they turned out so well Allison! Happy holidays!

        Reply
    6. Roxann says

      September 17, 2021 at 11:02 am

      Hi
      I just came across this looks so good and healthier, was going to make them now
      BUT, I have two questions...

      1) Can I use Old Fashioned Oats .?

      2) Can I use something other than Butter ?

      Hope to hear from You soon, Thank You in advance for Your Response !!!

      Reply
      • Paula Montenegro says

        September 17, 2021 at 12:25 pm

        Hi Roxann! You can use old fashioned oats, and can use oil instead of butter, same amount in volume (cups or tablespoons). Happy baking!

        Reply
    7. J says

      September 12, 2021 at 3:14 pm

      These are yummy!!!! Love the texture. I took your suggestion and sprinkled a little brown sugar on top, also added a super-thin slice of butter and a little more brown sugar. They came out perfect, with a nice soft, sweet crunch on top. Thank you for this recipe!!

      ★★★★★

      Reply
      • Paula Montenegro says

        September 12, 2021 at 3:25 pm

        So happy to hear they came out so well J! Have a great week.

        Reply
    8. Brenda says

      September 12, 2021 at 12:40 pm

      I’m diabetic. Do have this recipe without sugar t

      Reply
      • Paula Montenegro says

        September 12, 2021 at 3:26 pm

        Hi Brenda, I don't have a recipe without sugar. You might try googling for muffins for diabetics.

        Reply
      • Nancy Buscemi says

        September 23, 2021 at 9:37 pm

        You can substitute Splenda or any generic store version one to one for a diabetic recipe. If you use Spenda brown sugar, refer to the directions on the back for the conversion chart becsuse it uses less sweetener. You may also use Coconut sugar or other sweeteners such as Stevia, Swerve, Monk Fruit or Purye, but be aware that if you use these, the flavor may vary just a little and you may have to play with the recipe due to the variations in the grain of the sweetener and how it absorbs. Some taste sweeter than others. Always double check the packaging to make sure there isn't a chart telling you how much sweetener to use based on sugar in the recipe. The more you use the different options, the better you will get. Enjoy!

        ★★★★★

        Reply

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