Fluffy Blueberry Muffins Streusel

Featured in: Baking & Sweet Comforts

These fluffy muffins combine fresh blueberries with a tender crumb and a crunchy streusel topping. The batter blends melted butter, sour cream, and vanilla for moistness, while a touch of cinnamon in the streusel adds warmth. Blueberries are gently folded in to keep their juicy burst, and a light dusting of flour prevents sinking for even distribution. Perfectly baked until golden, these muffins are ideal for breakfast or dessert and pair beautifully with coffee or tea.

Updated on Sat, 20 Dec 2025 11:22:00 GMT
Golden-topped fluffy homemade blueberry muffins with a crunchy streusel, perfect for breakfast. Save to Pinterest
Golden-topped fluffy homemade blueberry muffins with a crunchy streusel, perfect for breakfast. | bowlnotch.com

I pulled a tray of these from the oven on a rainy Tuesday morning, and the kitchen smelled like a bakery I used to walk past in college. My neighbor knocked on the door ten minutes later asking if everything was okay because the hallway smelled too good to ignore. That's when I knew this recipe was a keeper.

I made a double batch for a friend's baby shower once, and someone asked if I'd ordered them from a bakery. I didn't correct her right away because it felt too good to let the compliment sit there for a minute. Later, I handed her the recipe on a napkin, and she texted me a photo of her first attempt that same weekend.

Ingredients

  • All-purpose flour: I use regular bleached flour and it works perfectly every time, no need for fancy brands here.
  • Baking powder and baking soda: Both are essential for that tall, domed top, so don't skip either one even if it seems like overkill.
  • Unsalted butter: Melted and cooled slightly so it doesn't scramble the eggs when you whisk everything together.
  • Granulated sugar: Just enough to sweeten without making them taste like cake, which is a fine line with muffins.
  • Eggs: Room temperature eggs blend smoother and give you a lighter crumb, I leave mine on the counter while I gather everything else.
  • Sour cream: This is what makes them bakery-level tender, Greek yogurt works too but sour cream has a slight tang I really love.
  • Blueberries: Fresh or frozen both work, I keep a bag in the freezer so I can make these on a whim without a grocery run.
  • Brown sugar for streusel: The molasses in it makes the topping taste deeper and more interesting than plain white sugar ever could.
  • Cold butter for streusel: Has to be cold or it won't form those chunky crumbles, I cube it straight from the fridge.

Instructions

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Preheat and Prep:
Get your oven to 400°F and line the muffin tin with papers or a light coat of butter. I like papers because cleanup is faster and the muffins pop out without a fight.
Make the Streusel First:
Mix the flour, brown sugar, and cinnamon in a small bowl, then work the cold butter in with a fork until it looks like wet sand with pebbles. Stick it in the fridge so it stays cold while you make the batter.
Combine Dry Ingredients:
Whisk the flour, baking powder, baking soda, and salt together in a medium bowl. I do this step fast because there's nothing complicated here, just make sure there are no lumps.
Mix Wet Ingredients:
In a big bowl, whisk the melted butter and sugar until they're buddies, then add the eggs one at a time and beat until smooth. Stir in the vanilla, milk, and sour cream until everything looks creamy and uniform.
Fold Dry into Wet:
Dump the flour mixture into the wet ingredients and fold gently with a spatula until you barely see any dry streaks. Overmixing makes them dense and tough, so stop while it still looks a little shaggy.
Add the Blueberries:
Toss the berries with a tablespoon of flour first so they don't all sink to the bottom, then fold them in carefully. If you're using frozen, do not thaw them or they'll turn the batter purple and mushy.
Fill and Top:
Scoop the batter evenly into the muffin cups, filling them almost to the top for those nice high domes. Sprinkle a generous pinch of streusel on each one, pressing it lightly so it sticks.
Bake:
Slide the tin into the oven and bake for 20 to 22 minutes until the tops are golden and a toothpick comes out clean. The smell will hit you around minute 15 and it's almost unbearable to wait.
Cool:
Let them sit in the tin for 5 minutes so they firm up, then move them to a wire rack. Eating one warm with butter is a small luxury I highly recommend.
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Crisp vegetables, roast meats, bake snacks, and reheat leftovers quickly for easy, flavorful home cooking.
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Freshly baked homemade blueberry muffins showcasing juicy blueberries and sweet streusel topping. Save to Pinterest
Freshly baked homemade blueberry muffins showcasing juicy blueberries and sweet streusel topping. | bowlnotch.com

My dad isn't much of a baker, but he asks me to make these every time he visits. Last time, he ate three in one sitting and tried to hide the wrappers under his napkin like I wouldn't notice. That's the kind of recipe this is.

How to Store Them

I keep them in an airtight container on the counter for up to three days, and they stay soft without getting soggy. If you want them to last longer, wrap each one in plastic wrap and freeze them for up to two months. They thaw in about an hour on the counter, or you can microwave one for 20 seconds and it tastes like you just baked it.

Flavor Variations I've Tried

I've stirred in lemon zest with the vanilla for a bright, summery version that tastes incredible with tea. Once I swapped the blueberries for raspberries and added a handful of white chocolate chips, which my sister said was the best thing I'd ever made. You can also fold in a quarter cup of chopped pecans with the streusel for extra crunch, though I usually skip nuts because my cousin can't have them.

Serving Suggestions

These are perfect still warm with salted butter melting into the crumb, or at room temperature with a strong cup of coffee. I've served them at brunch with scrambled eggs and fruit, and they work just as well as a casual dessert with vanilla ice cream on the side.

  • Pair them with hot coffee or a chai latte for a cozy breakfast moment.
  • Serve them alongside fresh fruit and yogurt for a simple brunch spread.
  • Warm them for 10 seconds in the microwave before serving to bring back that just-baked softness.
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Close-up of warm, delicious homemade blueberry muffins; a perfect breakfast treat with coffee. Save to Pinterest
Close-up of warm, delicious homemade blueberry muffins; a perfect breakfast treat with coffee. | bowlnotch.com

I hope these become the kind of muffins you make without thinking, the ones you pull together on a slow Sunday or when someone you love needs a little sweetness. They've never let me down.

Recipe FAQs

How do I prevent blueberries from sinking in the batter?

Toss blueberries with a tablespoon of flour before folding them into the batter. This helps suspend them evenly during baking.

Can I use frozen blueberries instead of fresh?

Yes, frozen blueberries can be used without thawing to maintain their shape and prevent color bleeding.

What gives the streusel its crunchy texture?

Cold cubed butter mixed with flour, brown sugar, and cinnamon creates coarse crumbs that bake into a crunchy topping.

Is there a substitute for sour cream in the batter?

Greek yogurt works well as a substitute, adding similar moisture and slight tanginess to the muffins.

How can I add a lemon flavor to the muffins?

Incorporate 1 teaspoon of lemon zest into the batter for a fresh, citrusy note.

Fluffy Blueberry Muffins Streusel

Tender muffins bursting with juicy blueberries, topped with a buttery streusel for a perfect balance.

Prep Time
15 minutes
Cook Time
22 minutes
Overall Time
37 minutes
By Bowl Notch Brooke Moore


Level Easy

Cuisine Type American

Amount Made 12 Number of Servings

Dietary Details Vegetarian

What You Need

Muffins

01 2 cups all-purpose flour
02 2 teaspoons baking powder
03 1/2 teaspoon baking soda
04 1/2 teaspoon salt
05 1/2 cup unsalted butter, melted and cooled
06 3/4 cup granulated sugar
07 2 large eggs, at room temperature
08 1 teaspoon vanilla extract
09 1/2 cup whole milk
10 1/2 cup sour cream or plain yogurt
11 1 1/2 cups fresh or frozen blueberries (do not thaw if frozen)

Streusel Topping

01 1/3 cup all-purpose flour
02 1/3 cup packed light brown sugar
03 1/4 teaspoon ground cinnamon
04 1/4 cup unsalted butter, cold and cubed

Directions

Step 01

Preheat oven and prepare pan: Preheat oven to 400°F. Line a 12-cup muffin tin with paper liners or grease thoroughly.

Step 02

Make streusel topping: In a small bowl, combine flour, brown sugar, and cinnamon. Cut in cold cubed butter using a fork or pastry cutter until mixture resembles coarse crumbs. Refrigerate until needed.

Step 03

Combine dry ingredients: Whisk together flour, baking powder, baking soda, and salt in a medium bowl.

Step 04

Mix wet ingredients: In a large bowl, whisk melted butter and sugar until blended. Add eggs one at a time, beating well after each addition. Stir in vanilla, milk, and sour cream until smooth.

Step 05

Incorporate dry ingredients: Gently fold the dry mixture into wet ingredients until just combined, avoiding overmixing.

Step 06

Add blueberries: Toss blueberries with 1 tablespoon flour to prevent sinking, then gently fold into batter.

Step 07

Fill muffin cups and top: Divide batter evenly among muffin cups and sprinkle each with a generous amount of streusel topping.

Step 08

Bake muffins: Bake for 20 to 22 minutes or until a toothpick inserted in the center comes out clean and tops are golden brown.

Step 09

Cool muffins: Allow muffins to cool in the tin for 5 minutes, then transfer to a wire rack to cool completely.

What You'll Need

  • 12-cup muffin tin
  • Mixing bowls
  • Whisk
  • Measuring cups and spoons
  • Fork or pastry cutter
  • Wire cooling rack

Allergy Info

Double-check each ingredient for allergens, and contact your healthcare provider with concerns.
  • Contains wheat (gluten), dairy, and eggs.
  • May contain tree nuts due to shared processing facilities.

Nutrition Info (per serving)

Use these details for reference only—always talk to a doctor for health advice.
  • Calorie Count: 245
  • Fats: 11 g
  • Carbohydrates: 33 g
  • Proteins: 3 g