Fluffy Blueberry Muffins Streusel

Featured in: Baking & Sweet Recipes

These muffins combine fluffy, tender crumb with juicy blueberries folded into the batter, creating bursts of fruit in each bite. A buttery streusel topping adds a crunchy contrast, balancing sweetness and texture. Simple mixing techniques and basic pantry ingredients make the process easy and accessible. The muffins come out golden and moist, ideal for breakfast or a sweet snack, pairing wonderfully with coffee or tea.

Updated on Sat, 20 Dec 2025 11:30:00 GMT
Freshly baked, golden-topped fluffy homemade blueberry muffins with a delightful streusel crumble. Pin It
Freshly baked, golden-topped fluffy homemade blueberry muffins with a delightful streusel crumble. | tongsoffset.com

I pulled a tray of blueberry muffins from the oven one Sunday morning and my neighbor knocked on the door, drawn by the smell. She thought I'd opened a bakery. The secret wasn't skill, just sour cream and a crumbly streusel I almost skipped. Now I make these every time I want the house to feel like home.

I made a batch the morning my sister came over with her toddler. He ate two before breakfast was even set, purple juice running down his chin. She asked for the recipe on a napkin. I realized then that good muffins don't need an occasion, they create one.

Ingredients

  • All-purpose flour (2 cups for muffins, 1/3 cup for streusel): The structure that holds everything together without turning dense or cakey.
  • Baking powder and baking soda: The duo that gives you that tall, cracked top and airy crumb.
  • Unsalted butter (1/2 cup melted, 1/4 cup cold): Melted butter makes the batter tender, cold butter creates those crumbly streusel pockets.
  • Granulated sugar and brown sugar: White sugar sweetens the muffin, brown sugar adds molasses depth to the topping.
  • Eggs (2 large): Room temperature eggs blend smoothly and don't seize up the melted butter.
  • Vanilla extract: A teaspoon rounds out the sweetness and makes the kitchen smell like a hug.
  • Whole milk and sour cream: This combo is the secret to bakery-level moisture and tang.
  • Blueberries (1 1/2 cups): Fresh or frozen both work, but frozen stay firmer and bleed less if you don't thaw them.
  • Cinnamon: Just a pinch in the streusel, enough to notice but not overpower.

Instructions

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Get the oven ready:
Preheat to 400°F and line your muffin tin with papers or give it a good greasing. High heat is what creates that beautiful domed top.
Make the streusel first:
Mix flour, brown sugar, and cinnamon in a small bowl, then cut in cold butter with a fork until it looks like wet sand. Stick it in the fridge so it stays cold and crumbly.
Whisk the dry ingredients:
Combine flour, baking powder, baking soda, and salt in a medium bowl. This ensures even rise and no bitter pockets of baking soda.
Mix the wet base:
Whisk melted butter and sugar in a large bowl, then beat in eggs one at a time. Stir in vanilla, milk, and sour cream until smooth and glossy.
Fold it together gently:
Add the dry ingredients to the wet and fold just until no flour streaks remain. Overmixing makes tough, tunneled muffins.
Add the blueberries:
Toss them with a tablespoon of flour to keep them from sinking, then fold them in carefully. The flour coating also prevents purple streaks.
Fill and top:
Divide batter evenly among the cups, then sprinkle streusel generously over each one. Don't be shy, the topping is half the charm.
Bake until golden:
Bake for 20 to 22 minutes until a toothpick comes out clean and the tops are cracked and golden. The smell will tell you when they're close.
Cool properly:
Let them sit in the tin for 5 minutes, then move to a wire rack. This prevents soggy bottoms.
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Keeps spices within easy reach while cooking, helping you season dishes quickly during everyday meal prep.
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| tongsoffset.com

The first time I brought these to a potluck, someone asked if I'd bought them from the farmers market. I didn't correct her right away. It felt too good to know that something I made in my pajamas could pass for professional.

Storage and Freezing

These keep in an airtight container at room temperature for two days, or in the fridge for up to a week. I freeze them individually in plastic wrap, then toss them in a freezer bag. A quick zap in the microwave for 20 seconds brings them back to life, streusel and all.

Variations Worth Trying

Add a teaspoon of lemon zest to the batter for a bright, sunny twist. Swap blueberries for raspberries or diced strawberries if that's what you have. I've also folded in a handful of white chocolate chips when I'm feeling reckless, and no one's ever complained.

Serving Suggestions

These are perfect warm with salted butter melting into the crumb, or at room temperature with strong coffee. I've served them for brunch, packed them in lunchboxes, and eaten them standing at the counter at midnight. They're versatile like that.

  • Pair with a hot latte or earl grey tea for a cozy breakfast.
  • Serve alongside scrambled eggs and bacon for a full morning spread.
  • Wrap one up with a napkin and take it on the road, it travels well.
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Ideal for slow-simmered sauces, braised vegetables, baked dips, and cozy one-pot meals with even heat.
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A close-up of warm, moist homemade blueberry muffins, bursting with juicy blueberries and sweet crumble. Pin It
A close-up of warm, moist homemade blueberry muffins, bursting with juicy blueberries and sweet crumble. | tongsoffset.com

These muffins don't need a special reason, they are the reason. Make them once and they'll become your go-to for everything from quiet mornings to impromptu guests.

Recipe FAQs

How do I keep blueberries from sinking?

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

Can I use frozen blueberries?

Yes, frozen blueberries can be used directly without thawing to maintain their shape and prevent extra moisture.

What is a streusel topping?

A streusel is a crumbly mixture of flour, sugar, and butter that bakes to a crunchy, flavorful topping, adding texture to muffins.

How should I store the muffins?

Store them in an airtight container at room temperature for up to three days or freeze for longer preservation.

Can I substitute sour cream with yogurt?

Yes, plain or Greek yogurt works well as a substitute, keeping the muffins moist and tender.

Fluffy Blueberry Muffins Streusel

Soft muffins filled with blueberries and topped with a crunchy streusel, perfect for breakfast or dessert.

Prep Time
15 minutes
Cook Time
22 minutes
Overall Time
37 minutes
Recipe by Charlotte King


Skill Level Easy

Cuisine Type American

Serving Size 12 Portions

Diet Preferences Meat-Free

What You'll 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 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

Preheat oven and prepare muffin tin: Heat 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 until mixture resembles coarse crumbs. Chill 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 sugar. Add eggs one at a time, beating well after each. Stir in vanilla, milk, and sour cream until smooth.

Step 05

Incorporate dry into wet ingredients: Gently fold dry mixture into wet until just combined; avoid overmixing.

Step 06

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

Step 07

Fill muffin cups and add streusel: Divide batter evenly among muffin cups and sprinkle each with streusel topping.

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 tin for 5 minutes, then transfer to a wire rack to cool completely.

Gear Needed

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

Allergy Info

Always double-check for allergens in each item and talk to a healthcare expert if unsure.
  • Contains wheat (gluten), dairy, and eggs.
  • May contain tree nuts due to shared facility processing.

Nutrition Details (per portion)

These details are only for reference and not a substitute for actual professional advice.
  • Caloric Value: 245
  • Fats: 11 g
  • Carbohydrates: 33 g
  • Proteins: 3 g