Fluffy Blueberry Muffins Streusel

Featured in: Baking & Sweet Comforts

These muffins offer a soft, fluffy texture combined with the fresh burst of blueberries in every bite. A buttery streusel topping adds a sweet, crunchy contrast. The batter is gently folded to keep the muffins light and moist, using ingredients like sour cream and vanilla for rich flavor. Easy to prepare and perfect for breakfast or dessert, they bake golden and inviting within 22 minutes.

Updated on Sat, 20 Dec 2025 09:47:00 GMT
Golden, baked fluffy homemade blueberry muffins with a delightful streusel topping, ready to enjoy. Pin it
Golden, baked fluffy homemade blueberry muffins with a delightful streusel topping, ready to enjoy. | forkledger.com

I pulled a tray of these from the oven on a gray Tuesday morning, and the smell alone made my neighbor knock on the door. She thought I'd opened a bakery overnight. The streusel had turned golden and crackly, and the blueberries were bubbling through the tops like little purple jewels. I handed her one still warm, and she closed her eyes after the first bite.

I made a double batch for my son's school bake sale, and they sold out in under ten minutes. One of the teachers asked if I was selling them somewhere, and I just laughed. But honestly, that moment made me realize how much a simple muffin can mean when it's done right. It's not fancy, just reliable and a little bit magical.

Ingredients

  • All-purpose flour (muffins): This creates the tender structure, and measuring it correctly by spooning and leveling makes all the difference in avoiding dense muffins.
  • Baking powder & baking soda: The duo gives these muffins their signature dome and fluffy crumb.
  • Unsalted butter (muffins): Melted and cooled, it blends smoothly without deflating the batter, and I always let it sit for a few minutes so it doesn't scramble the eggs.
  • Granulated sugar: Just enough sweetness to balance the tartness of the berries without making them taste like cake.
  • Eggs: Room temperature eggs mix in more evenly, I learned this after getting streaky batter one too many times.
  • Vanilla extract: A teaspoon might seem small, but it deepens the flavor in a way you only notice when it's missing.
  • Whole milk & sour cream: Together they create that bakery-style moistness, the sour cream adds a slight tang that keeps them from being too sweet.
  • Blueberries: Fresh or frozen both work beautifully, and tossing them in a little flour keeps them from sinking to the bottom.
  • Brown sugar (streusel): Packed tight, it gives the topping a caramel-like richness that pairs perfectly with cinnamon.
  • Cold butter (streusel): Cubed and worked in quickly, it forms those buttery crumbles that stay crisp even after cooling.

Instructions

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Get the oven ready:
Preheat to 400°F and line your muffin tin with paper liners or give it a good greasing. The high heat is what creates those tall, golden tops.
Make the streusel first:
Mix flour, brown sugar, and cinnamon in a small bowl, then cut in the cold butter with a fork until it looks like wet sand. Pop it in the fridge so it stays cold and crumbly.
Combine the dry ingredients:
Whisk flour, baking powder, baking soda, and salt together in a medium bowl. I like to do this step early so everything's ready when the wet ingredients come together.
Mix the wet base:
Whisk melted butter and sugar until they're friends, then add eggs one at a time, beating after each. Stir in vanilla, milk, and sour cream until the mixture is smooth and smells like comfort.
Fold it all together:
Add the dry ingredients to the wet and fold gently with a spatula, stopping as soon as you don't see dry streaks. Overmixing turns them tough, and nobody wants that.
Add the berries:
Toss blueberries with a tablespoon of flour in a small bowl, then fold them in carefully so they don't burst. This little trick keeps them suspended instead of pooling at the bottom.
Fill and top:
Divide batter evenly among the muffin cups, filling each about three-quarters full. Sprinkle a generous heap of streusel on each one, don't be shy.
Bake until golden:
Slide them into the oven for 20 to 22 minutes, until a toothpick comes out clean and the tops are bronzed and crackly. Your kitchen will smell like a dream.
Cool with patience:
Let them rest in the tin for 5 minutes, then move to a wire rack. If you can wait until they're completely cool, you're stronger than I am.
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One Sunday morning, I made these for a friend going through a rough patch, and she told me later that eating one warm with coffee made her feel normal again, even just for a few minutes. That's when I realized food doesn't have to fix everything, sometimes it just needs to remind people that small joys still exist. These muffins do that without even trying.

How to Store and Reheat

Keep them in an airtight container at room temperature for up to three days, or refrigerate for up to a week. I like to warm them in the microwave for about 15 seconds, just enough to soften the crumb and make the streusel smell buttery again. You can also freeze them for up to three months, wrapped individually in plastic wrap and tucked into a freezer bag.

Variations Worth Trying

Add a teaspoon of lemon zest to the batter for a bright, citrusy twist that makes the blueberries sing even louder. Swap the blueberries for raspberries, blackberries, or even diced strawberries if that's what you have on hand. I once folded in a handful of white chocolate chips along with the berries, and it felt like a special occasion even though it was just a Wednesday.

Serving Suggestions

These are perfect warm with salted butter melting into the crumb, or alongside scrambled eggs and crispy bacon for a weekend brunch. I love them with a strong cup of coffee or a pot of Earl Grey tea, the kind of pairing that makes you slow down and take a real break. They're also wonderful tucked into lunchboxes or handed to someone who needs a little sweetness in their day.

  • Serve with a dollop of whipped cream or mascarpone for an extra indulgent breakfast.
  • Pair with fresh fruit and yogurt for a balanced morning spread.
  • Wrap one up with a napkin and take it on the go, they hold up beautifully.
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Close-up of fresh, flavorful fluffy homemade blueberry muffins, showing the juicy berries and crunchy streusel. Pin it
Close-up of fresh, flavorful fluffy homemade blueberry muffins, showing the juicy berries and crunchy streusel. | forkledger.com

These muffins have a way of turning ordinary mornings into something worth remembering, and that's all I ever want from a recipe. I hope they bring you as much quiet happiness as they've brought me.

Recipe FAQ

How do I prevent blueberries from sinking?

Toss the blueberries with a tablespoon of flour before folding them gently into the batter to suspend them evenly.

Can I use frozen blueberries?

Yes, frozen blueberries can be used directly without thawing to avoid extra moisture in the batter.

What makes the muffins fluffy?

Ingredients like baking powder, baking soda, and the gentle folding technique help achieve a tender, fluffy texture.

How is the streusel topping made?

Streusel is made by cutting cold butter into flour, brown sugar, and cinnamon until coarse crumbs form, adding a crunchy finish.

Can I substitute the sour cream?

Greek yogurt can replace sour cream with similar results in moisture and tang.

Fluffy Blueberry Muffins Streusel

Tender muffins bursting with juicy blueberries and crowned by a buttery, crunchy streusel.

Prep time
15 minutes
Cook time
22 minutes
Total duration
37 minutes
Published by Natalie Hall


Skill level Easy

Cuisine American

Makes 12 Number of servings

Diet 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, 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

How To Make It

Step 01

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

Step 02

Make Streusel Topping: Combine flour, brown sugar, and cinnamon in a small bowl. Cut in cold butter with a fork or pastry cutter until coarse crumbs form. Refrigerate until ready to use.

Step 03

Mix Dry Ingredients: In a medium bowl, whisk together flour, baking powder, baking soda, and salt until evenly combined.

Step 04

Combine Wet Ingredients: In a large bowl, whisk melted butter with sugar until combined. Beat in eggs one at a time, then stir in vanilla, milk, and sour cream until smooth.

Step 05

Incorporate Dry Into Wet: Gently fold the dry ingredients into the wet mixture until just combined; avoid overmixing to maintain tenderness.

Step 06

Add Blueberries: Toss blueberries with 1 tablespoon of flour to prevent sinking. Fold them gently into the batter.

Step 07

Fill Muffin Cups: Distribute batter evenly among the 12 muffin cups. Top each with a generous spoonful of streusel topping.

Step 08

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

Step 09

Cool: Allow muffins to cool in the tin for 5 minutes before transferring them to a wire rack to cool completely.

Tools Needed

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

Allergy info

Review each component for possible allergen content—ask a healthcare provider whenever you're unsure.
  • Contains wheat (gluten), dairy, and eggs. May contain tree nuts due to shared facility processing.

Nutrition info (per serving)

Nutritional details are for your reference. This doesn't substitute health advice.
  • Calories: 245
  • Total fat: 11 grams
  • Carbohydrates: 33 grams
  • Protein: 3 grams