This post may contain affiliate links . Read my full Disclosure Policy.
This Sourdough Blueberry Muffin recipe makes super soft and fluffy bakery-style muffins with a streusel crumb topping. They are sweet, buttery, and full of blueberry flavor!

Blueberry muffins are a classic and well-loved recipe, and this version is no different! This recipe makes big, beautiful bakery-style muffins with a large domed top. They have a super soft crumb, thanks to the addition of sour cream and sourdough discard. They are sweet, buttery, and so easy to make. This recipe will soon be a favorite in your house!
If you love muffins, be sure to check out more of my sourdough quick bread recipes, including Lemon Poppyseed Sourdough Muffins, Sourdough Banana Bread Muffins, and Cranberry Orange Sourdough Muffins.
Table of Contents
- Why you’ll love this recipe
- Why use sourdough discard in baking
- Important Ingredients & Substitutions
- Helpful tools
- Instructions to make Sourdough Blueberry Muffins with Streusel Topping
- Recipe Tips
- Storage instructions
- FAQ
- More sourdough Quick Bread Recipes
- Sourdough Blueberry Muffins with Streusel Topping Recipe
Why you’ll love this recipe
- This sourdough muffin recipe makes big, beautiful bakery-style muffins that have a large domed top.
- These muffins are an easy meal prep for a grab-and-go breakfast or an afternoon snack. Another quick breakfast recipe to try is my Sourdough Breakfast Bars with Jam.
- This recipe is quick and easy to make and is a great way to use up your sourdough discard.
- This buttery cinnamon-sugar streusel adds the perfect crunchy-sweet topping—just like the one on my Sourdough Apple Muffins with Cinnamon Streusel.

Why use sourdough discard in baking
Sourdough discard adds moistness, depth of flavor, and a slight tang that sourdough is known for. When feeding your sourdough starter, you will “discard” a portion of it before adding in the flour and water. And while the discard is no longer ideal for leavening baked goods such as artisan sourdough bread or cinnamon rolls, you can use it in a variety of sourdough discard recipes, such as pancakes, cookies, biscuits, and crackers.
Important Ingredients & Substitutions

- Sour cream- The sour cream adds moisture and flavor to the muffins. If needed you could sub for greek yogurt in the recipe.
- Sourdough discard- You can use sourdough discard straight from the fridge or room temperature.
- Butter- Butter is added to the batter to add richness and a buttery flavor.
- Baking powder- The baking powder is the leavening agent used in the muffins.
- Flour– I use all-purpose flour in this recipe. You could replace some with whole wheat if you would like.
- Blueberries – You can use fresh blueberries or frozen blueberries in this recipe.
See all the ingredients and amounts in the recipe card below.
Helpful tools
Muffin Pan– You can use a greased muffin pan or use paper liners. Another option is to bake in a silicone muffin pan to easily pop out the muffins.
Kitchen scale or Measuring cups and spoons – the recipe has both grams and cups, so you can use either option. However, using a scale to weight ingredients always gives the most accurate results.
Cooling Racks – Using the wire rack for cooling allows the muffins to cool evenly. You’ll want to remove the muffins from the muffin pan after a few minutes to prevent the muffins from getting tough.
Instructions to make Sourdough Blueberry Muffins with Streusel Topping

Step 1: In a large mixing bowl, add the butter and sugar and beat until smooth.

Step 2: Add in the wet ingredients: milk, sour cream, sourdough discard, vanilla extract, and eggs. Whisk or stir to combine.

Step 3: Fold in the dry ingredients until the flour mixture is just combined. It’s okay if that batter is a little lumpy, you do not want to over mix.

Step 4: Add the blueberries to the batter. Since the batter is so thick you don’t have to worry about tossing the fruit in flour.

Step 5: Fold the blueberries in until just incorporated.

Step 6: Scoop ¹⁄₃ cup of batter into each muffin liner or greased muffin tin. This will make a total of 15 muffins.

Step 7: For the streusel, combine flour, cinnamon, and sugar in a bowl. Cut the cold butter into the mixture using your fingers or a pastry cutter until it forms coarse crumbs. Add about 1 tablespoon of streusel to each muffin, making sure it covers the top.

Step 8: Bake for 17–18 minutes or until a toothpick inserted into the center of a muffin comes out clean or with just a few crumbs.
Cool in the pan for a few minutes, then transfer muffins to a wire rack to cool completely.
Recipe Tips
- Do not overmix the batter. Only incorporate until the flour is just incorporated. Overmixing can cause the muffins to become tough.
- Once they are done baking let them sit in the pan for 5 minutes and then remove from the pan and place on a cooling rack to finish cooling.
Storage instructions
To store, add the muffins to an airtight container or bag. They can be stored on the counter for up to 5 days. To freeze, wrap them in plastic wrap or store them in a freezer bag for up to 3 months. To thaw, remove them from the freezer and let them thaw on the counter or put them in the microwave for a few seconds at a time until they are warmed through.
FAQ
Yes, you can substitute greek yogurt for the sour cream if you prefer.
Yes, this recipe can be made with either fresh or frozen blueberries. You do not need to defrost the blueberries before adding them to the batter. Simply add the frozen blueberries directly to the batter and bake.
Sure! Most of my quick breads take about an hour to 1 hour and 15 minutes at 350°F so this recipe should take about that time as well. It will be baked through when a toothpick comes clean. If the top gets too brown while baking you can add foil on top.
If your blueberries are sinking to the bottom, try tossing them with 1 teaspoon of the flour from this recipe. The coating of flour will help keep them from sinking. Although this batter is thick enough that you shouldn’t need to do that.
Yes, either active starter or discard will both work in this recipe.
If you want to try other variations of this muffin recipe, you can try using raspberries, blackberries, or a combination!
More sourdough Quick Bread Recipes
Sourdough Discard Recipes
Quick & Easy Sourdough Mini Muffins (Little Bites copycat)
Fall Sourdough Recipes
Sourdough Apple Muffins with Cinnamon Streusel
Sourdough Snack Recipes
Sourdough Chocolate Mini Muffins
Sourdough Discard Recipes
Lemon Poppy Seed Sourdough Muffins
Tried this Sourdough Blueberry Muffins or another recipe from the site? I’d love to hear about it! Drop a star rating and share your thoughts in the comments—can’t wait to see what you’re baking!

Sourdough Blueberry Muffins with Streusel Topping
Equipment
Ingredients
Muffin Batter
- 300 grams granulated sugar, 1 ½ cups
- 113 grams butter, ½ cup
- 60 grams milk, ¼ cup
- 160 grams sour cream, ⅔ cup
- 60 grams sourdough discard, ¼ cup
- 5 grams vanilla extract, 1 teaspoon
- 2 large eggs, 100 grams
- 280 grams all-purpose flour, 2 cups
- 10 grams baking powder, 2 teaspoons
- 3 grams salt, ½ teaspoon
- 230 grams blueberries, 1 ½ cups
Streusel topping
- 2 Tablespoons butter, cold
- 45 grams flour, ⅓ cup
- 65 grams granulated sugar, ⅓ cup
- 1 gram cinnamon, ½ teaspoon
Instructions
- Preheat the oven to 400ºF. Grease a muffin tin or line with paper liners.
- In a large mixing bowl, add the butter and sugar and beat until smooth, about 5 minutes.300 grams granulated sugar, 113 grams butter
- Add in the wet ingredients and stir to combine. 60 grams milk, 160 grams sour cream, 60 grams sourdough discard, 5 grams vanilla extract, 2 large eggs
- Fold in the dry ingredients until the flour mixture is just combined. It's okay if that batter is a little lumpy, you do not want to over mix.280 grams all-purpose flour, 10 grams baking powder, 3 grams salt
- Fold in the blueberries.230 grams blueberries
- Scoop ¹⁄₃ cup of batter into each liner. This will make a total of 15 muffins.
- Make the streusel topping by chopping cold butter and mixing it with flour, cinnamon and sugar. Rub between your fingers until broken into small pieces.2 Tablespoons butter, cold, 45 grams flour, 65 grams granulated sugar, 1 gram cinnamon
- Add about 1 tablespoon of streusel to each muffin, making sure it covers the top.
- Bake for 17–18 minutes or until a toothpick inserted into the center of a muffin comes out clean or with just a few crumbs.
- Cool in the pan for a few minutes, then transfer muffins to a wire rack to cool completely.
Notes
- Do not overmix the batter. Only incorporate the flour until just incorporated. Overmixing can cause the muffins to become tough.
- Once they are done baking let them sit in the pan for 5 minutes and then remove from the pan and place on a cooling rack to finish cooling.
Nutrition
Nutrition information is automatically calculated, so should only be used as an approximation.

Now available for pre-order
Same Day Sourdough Cookbook
Your go-to cookbook for baking sourdough bread, focaccia, rolls, cookies, and more—all in one day.











Can you use frozen blueberries in you muffin recipe
Yes you can!
Turned out beautifully. Great flavor, and rise. Will make again.
They were ok nothing all that special. The flavor was bland and something was missing making it a rather bland muffin.
Recipe is awesome, but the user experience of this website is really frustrating. It is so jumpy and glitchy with all of the ads, I decided to just write the recipe down so that I wouldn’t have to deal with it. But even when I wasn’t scrolling and had it set in a spot so I could write it down, it would jump me to a totally different spot of the page. If I wasn’t making these for my husbands birthday today, as they are his favorite, I wouldn’t take the time. Please consider your visitors experience on your website.
Hi Aub, thank you for the feedback and I am sorry about your poor experience. If you’d like to have a paper copy of any recipe, you can always use the “jump to recipe” button at the top of the page, which will scroll you down to where the recipe is, and then you can print the recipe card. Hope that helps!
could I omit the sour cream? or will it make them dense?
thanks!
You could sub it with greek yogurt but omitting it all together will change the texture.
This recipe is so yummy. I will be making it again. Thanks
Thanks Tiffany! Glad you like the recipe.
I brought this to work and it was a hit! Received so many compliments. They turned out so moist and light at the same time, so delicious. I did cut sugar back by 1/2 cup after reading a comment here. I made a triple batch, so used 3 and about 1/4 cups total.
Thanks Martha! So happy to hear you enjoyed the recipe.
These. Are. INCREDIBLE. so moist. The streusel is perfection. I had to practice some real self control to not devour the entire batch in two days
I love the blueberry muffin recipe. For me I would use 1/3 to 1/2 cup less sugar. Starting the temp out higher and then lowering it was a game changer ! The muffins look bakery quality !
Hi Patty! Thanks for the review. I appreciate your feedback on the sugar.
Hi! I have made several of your recipes that I have loved so far!! I was wanting to make these and freeze for my little ones. Can I freeze them after baking and letting them cool?
Yes muffins freeze well!
Delicious and exactly as pictured!
I’m so glad you enjoyed them!