Sourdough Blueberry Streusel Muffins

Enjoy these Sourdough Blueberry Streusel Muffins, made with tangy sourdough discard and bursting with juicy blueberries. These moist and flavorful muffins are topped with a deliciously crumbly streusel, adding a perfect crunch to every bite. Ideal for breakfast or a sweet snack, these muffins are a delightful way to use up your sourdough discard.

Sourdough blueberry streusel muffins made with sourdough discard, featuring a crumbly streusel topping and juicy blueberries.

If you try out this recipe, I’d love to see it! Leave a comment with a star rating below and tag @wellmadebykiley on Instagram and hashtag it #wellmadebykiley

Ingredients You Need:

Full ingredients and recipe are in the recipe card below.

  • All-purpose flour

  • Baking powder

  • Cinnamon

  • Salt

  • Butter

  • Granulated sugar

  • Eggs

  • Buttermilk (or apple cider vinegar mixed with milk of choice - see measurements below)

  • Sourdough discard

  • Greek yogurt or sour cream

  • Vanilla extract

  • Blueberries, fresh or frozen

  • Brown sugar

Sourdough blueberry streusel muffins made with sourdough discard, featuring a crumbly streusel topping and juicy blueberries.

Tips for making Sourdough Blueberry Streusel Muffins:

  1. Use Fresh Ingredients: Ensure your blueberries are fresh or use high-quality frozen ones. Fresh blueberries provide the best flavor and texture.

  2. Active Sourdough Discard: Use active sourdough discard for the best results. The discard should be bubbly and recently fed, which helps in leavening and flavor development.

  3. Room Temperature Ingredients: Use room temperature ingredients for the batter. This helps in achieving a smooth mixture and even baking.

  4. Proper Mixing: Mix the wet and dry ingredients separately before combining. This ensures even distribution and prevents over-mixing, which can lead to tough muffins.

  5. Evenly Distribute Batter: Use an ice cream scoop or a large spoon to evenly distribute the batter into the muffin tins. This ensures uniform baking and evenly sized muffins.

  6. Prepare Streusel Topping: Make a crumbly streusel topping by combining flour, sugar, and cold butter. Mix until the mixture resembles coarse crumbs. Sprinkle generously on top of each muffin.

  7. Don't Overfill: Fill the muffin cups about two-thirds full to allow room for the muffins to rise without overflowing.

  8. Preheat Oven: Preheat your oven to the correct temperature before baking. This ensures that the muffins bake evenly and develop a nice rise.

  9. Bake Until Golden: Bake the muffins until they are golden brown and a toothpick inserted into the center comes out clean or with a few moist crumbs. Avoid overbaking to keep them moist.

  10. Cool Properly: Allow the muffins to cool in the tin for about 5 minutes before transferring them to a wire rack to cool completely. This helps them set and prevents them from becoming soggy.

  11. Storage: Store the muffins in an airtight container at room temperature for up to 3 days. For longer storage, freeze them in a single layer and then transfer to a freezer-safe bag or container. Thaw at room temperature or reheat before serving.

Sourdough blueberry streusel muffins made with sourdough discard, featuring a crumbly streusel topping and juicy blueberries.

How to store Sourdough Blueberry Streusel Muffins:

  1. Room Temperature: Store the muffins in an airtight container at room temperature for up to 3 days. This helps maintain their freshness and keeps the streusel topping crisp. Place a paper towel in the container to absorb excess moisture.

  2. Refrigeration: If you need to store the muffins for longer, place them in an airtight container and refrigerate. They can be kept in the refrigerator for up to a week. Allow the muffins to come to room temperature or warm them slightly before serving for the best flavor and texture.

  3. Freezing: To store the muffins for an extended period, freeze them. Arrange the muffins in a single layer on a baking sheet and freeze until solid. Then, transfer them to a freezer-safe bag or container. The muffins can be frozen for up to 3 months. Thaw them at room temperature or in the refrigerator before serving.

  4. Individually Wrapped: For convenience, wrap each muffin individually in plastic wrap before storing in an airtight container or freezer-safe bag. This makes it easy to grab a single muffin when desired and helps maintain freshness.

  5. Reheating: To enjoy the muffins warm, reheat them in a preheated oven at 350°F (175°C) for about 5-10 minutes. This helps restore their freshly baked texture and keeps the streusel topping crisp. Avoid using the microwave, which can make the streusel soggy.

  6. Avoid Stacking: When storing multiple layers of muffins, place parchment paper or wax paper between the layers to prevent the streusel topping from sticking and to keep them intact.

  7. Moisture Control: If you live in a humid environment, add a piece of bread or a few saltine crackers to the container. This helps absorb excess moisture and keeps the muffins from becoming too soft.

Sourdough blueberry streusel muffins made with sourdough discard, featuring a crumbly streusel topping and juicy blueberries.

Check out my other sourdough discard recipes on Instagram:

Make sure to tag me @wellmadebykiley on Instagram and leave a review or comment if you make these sourdough blueberry streusel muffins. Happy baking!

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