Fluffy Blueberry Muffins Streusel

Featured in: Baking & Sweet Recipes

These fluffy muffins combine juicy blueberries and a buttery, crunchy streusel topping for a delightful experience. The batter blends melted butter, sugar, eggs, and sour cream for moist texture, while a touch of vanilla enhances flavor. Baking at 400°F ensures golden tops and tender crumb. The streusel topping adds a cinnamon-tinged crunch, perfectly complementing the sweet, blueberry-filled interior. Ideal for breakfast or dessert, these treats can be served warm or at room temperature and pair beautifully with coffee or tea.

Updated on Sat, 20 Dec 2025 14:33:00 GMT
Golden-topped, warm fluffy homemade blueberry muffins with a delightful streusel crunch, perfect for breakfast. Save
Golden-topped, warm fluffy homemade blueberry muffins with a delightful streusel crunch, perfect for breakfast. | spoonatlas.com

I pulled a tray of these muffins from the oven on a cold Sunday morning, and the smell alone brought my neighbor to the door. She thought I'd ordered from the bakery down the street. The tops were golden and crackled with sugar, the berries had turned the edges of each muffin a soft purple, and I realized I'd finally cracked the code on that tall, domed top I'd been chasing for months. These aren't just muffins, they're the kind that make people lean in and ask what you did differently.

I started making these for my daughter's school mornings, back when she'd only eat breakfast if it felt like dessert. She'd grab one on the way out, crumbs trailing behind her, and I'd find the empty wrapper in her backpack later. Now she's in college and texts me every few weeks asking if I can drop off a batch. I always say yes.

Ingredients

  • All-purpose flour (2 cups for muffins, 1/3 cup for streusel): This gives structure without making the muffins dense, and tossing a tablespoon with the berries keeps them from sinking to the bottom.
  • Baking powder and baking soda: The combination creates that beautiful rise and light crumb, I learned the hard way that skipping the soda makes them flat.
  • Unsalted butter (1/2 cup melted, 1/4 cup cold): Melted butter keeps the muffins tender, while cold cubed butter in the streusel creates those crispy, crumbly bits on top.
  • Granulated sugar (3/4 cup): Just sweet enough to balance the tartness of the blueberries without tasting like cake.
  • Eggs (2 large, room temperature): They blend in smoother when they're not cold, and that helps the batter stay light and airy.
  • Vanilla extract: A teaspoon warms up the whole flavor and makes your kitchen smell like a hug.
  • Whole milk and sour cream: This duo makes the muffins impossibly moist, the sour cream also adds a subtle tang that keeps them interesting.
  • Fresh or frozen blueberries (1 1/2 cups): I use whatever I have, frozen works beautifully and you don't even need to thaw them.
  • Light brown sugar (1/3 cup, packed): It adds a hint of molasses to the streusel that plays so well with cinnamon.
  • Ground cinnamon: Just a quarter teaspoon in the topping ties everything together without overpowering the berries.

Instructions

Product image
Prep ingredients, rinse produce, and dry dishes efficiently with a built-in workstation designed for streamlined cooking.
Check price on Amazon
Preheat and prep:
Set your oven to 400°F and line a muffin tin with paper liners or give it a good greasing. The high heat is what creates those gorgeous domed tops.
Make the streusel first:
Mix flour, brown sugar, and cinnamon in a small bowl, then cut in cold butter until it looks like wet sand. Pop it in the fridge so it stays cold and crumbly.
Combine the dry ingredients:
Whisk together flour, baking powder, baking soda, and salt in a medium bowl. Set it aside and resist the urge to skip the whisking, it really does make a difference.
Mix the wet ingredients:
In a large bowl, whisk melted butter and sugar until smooth, then beat in the eggs one at a time. Stir in vanilla, milk, and sour cream until everything looks silky and unified.
Fold it all together:
Gently fold the dry mixture into the wet until you see just a few streaks of flour. Overmixing is the enemy of fluffy muffins, so stop while it still looks a little shaggy.
Add the blueberries:
Toss them with a tablespoon of flour, then fold them in carefully. This keeps them from turning your batter purple and sinking to the bottom.
Fill and top:
Divide the batter evenly among the cups, filling them almost to the top. Sprinkle each one generously with the chilled streusel, don't be shy.
Bake until golden:
Slide the tin into the oven and bake for 20 to 22 minutes, until a toothpick comes out clean and the tops are deeply golden. Your kitchen will smell unbelievable.
Cool and enjoy:
Let them rest in the tin for five minutes, then move them to a wire rack. They're perfect warm, but they also keep beautifully for days.
Product image
Prep ingredients, rinse produce, and dry dishes efficiently with a built-in workstation designed for streamlined cooking.
Check price on Amazon
Save
| spoonatlas.com

I brought a batch to a potluck once and watched a quiet standoff happen over the last muffin. Two grown adults, both reaching, both laughing, both pretending they didn't care. One of them finally split it down the middle. That's when I knew this recipe was a keeper.

Storage and Make-Ahead Tips

These muffins stay moist in an airtight container at room temperature for up to four days, or you can freeze them for up to three months. I like to freeze them individually, then pull one out the night before and let it thaw on the counter. A quick ten-second zap in the microwave brings back that fresh-baked warmth, and honestly, no one can tell the difference.

Flavor Variations

I've stirred lemon zest into the batter and it brightened the whole thing up like sunshine. You could swap the blueberries for raspberries, blackberries, or even diced strawberries, though I'd toss those in a little extra flour since they're juicier. A handful of white chocolate chips folded in with the berries makes them feel like a treat, and a pinch of cardamom in the streusel adds a warm, unexpected note that people always ask about.

Serving Suggestions

These are perfect still-warm with salted butter melting into the top, or alongside a strong cup of coffee on a slow morning. I've served them at brunch with yogurt and honey, packed them in lunchboxes, and wrapped them in wax paper for road trips. They're just as good crumbled over vanilla ice cream as they are eaten standing at the counter in your pajamas.

  • Serve with a pat of butter and a drizzle of honey for extra richness.
  • Pair with Greek yogurt and fresh berries for a balanced breakfast.
  • Wrap individually and tuck into lunchboxes or picnic baskets.
Product image
Keep spatulas, spoons, and cooking tools organized and within reach while preparing meals.
Check price on Amazon
Freshly baked fluffy homemade blueberry muffins, showcasing juicy berries within a tender crumb and topping. Save
Freshly baked fluffy homemade blueberry muffins, showcasing juicy berries within a tender crumb and topping. | spoonatlas.com

There's something about pulling a tray of these from the oven that makes the whole house feel a little softer, a little kinder. I hope they do the same for you.

Recipe FAQs

How can I prevent blueberries from sinking?

Toss blueberries with a small amount of flour before folding them into the batter. This helps keep them suspended while baking.

Can I use frozen blueberries in the batter?

Yes, frozen blueberries can be used directly without thawing to maintain texture and prevent excess moisture.

What makes the muffins moist and tender?

Incorporating melted butter, sour cream, and whole milk creates a moist and tender crumb with rich flavor.

How do I make the streusel topping crunchy?

Cut cold butter into the flour, brown sugar, and cinnamon mixture until coarse crumbs form, then refrigerate before topping the batter.

Can I add extra flavor to the muffins?

Adding lemon zest to the batter brightens the flavor and adds a subtle citrus note.

Fluffy Blueberry Muffins Streusel

Tender muffins filled with fresh blueberries and crowned with a buttery streusel topping.

Prep Time
15 min
Cook Time
22 min
Time Needed
37 min
Recipe By Paisley Ward


Skill Level Easy

Cuisine American

Makes 12 Portions

Dietary Info 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

Streusel Topping

01 1/3 cup all-purpose flour
02 1/3 cup light brown sugar, packed
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: Combine flour, brown sugar, and cinnamon in a small bowl. Cut in cold butter until mixture resembles coarse crumbs. Refrigerate until needed.

Step 03

Mix Dry Ingredients: Whisk together flour, baking powder, baking soda, and salt in a medium bowl.

Step 04

Combine Wet Ingredients: In a large bowl, whisk melted butter and granulated sugar until blended. Add eggs one at a time, beating well after each. Stir in vanilla, milk, and sour cream until smooth.

Step 05

Incorporate Dry Ingredients: Gently fold dry mixture into wet ingredients until just combined, taking care not to overmix.

Step 06

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

Step 07

Fill Muffin Cups and Add Streusel: Divide batter evenly among muffin cups. Generously sprinkle streusel topping over each muffin.

Step 08

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

Step 09

Cool: Let muffins cool in the pan for 5 minutes, then transfer 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 Details

Double-check every ingredient if you have food allergies. If unsure, contact a healthcare expert.
  • Contains wheat (gluten), dairy, and eggs.
  • May contain tree nuts due to shared processing facilities.
  • Check ingredient packaging for potential allergen cross-contamination.

Nutrition (each serving)

Nutritional data is for reference and shouldn't replace professional medical consultation.
  • Calorie Count: 245
  • Fat Content: 11 g
  • Carbohydrates: 33 g
  • Proteins: 3 g