Fluffy Blueberry Muffins Streusel

Featured in: Baking & Sweet Creations

Experience soft and fluffy muffins filled with ripe blueberries and crowned with a buttery streusel topping. The batter blends melted butter, sour cream, and a balance of leavening agents for a tender crumb. Blueberries are lightly coated with flour to keep them suspended throughout the bake, ensuring bursts of juicy flavor in every bite. The streusel topping provides a delightful crisp contrast, made from brown sugar, cinnamon, and cold butter. These muffins bake to a golden finish and are perfect warm or at room temperature.

Simple steps include mixing dry and wet ingredients separately, folding in berries gently, and topping with streusel before baking. Optional lemon zest adds brightness, while substitutions like Greek yogurt keep the texture moist. This easy approach yields a dozen flavorful muffins ideal for breakfast or dessert paired with coffee or tea.

Updated on Sat, 20 Dec 2025 16:38:00 GMT
Golden-brown Fluffy Homemade Blueberry Muffins, topped with sweet streusel, perfect for breakfast. Pin it
Golden-brown Fluffy Homemade Blueberry Muffins, topped with sweet streusel, perfect for breakfast. | soupbuffer.com

I was standing in my kitchen on a rainy Sunday morning, staring at a pint of blueberries that were about to turn, when I decided to finally try making muffins from scratch. The house smelled like butter and sugar within minutes, and by the time they came out of the oven, my neighbor had knocked on the door asking what I was baking. That batch disappeared in under an hour, and I've been making them ever since.

The first time I brought these to a brunch, someone asked if I'd bought them from the café down the street. I didn't correct them right away because honestly, it felt like the best compliment I'd ever gotten in the kitchen. Later that week, I taught my sister how to make them over a video call, and now she makes them every Saturday for her kids. It's become one of those recipes that quietly travels through families without anyone making a big deal about it.

Ingredients

  • All-purpose flour (2 cups plus 1/3 cup for streusel): The backbone of the muffin structure, and I learned the hard way that spooning it into the measuring cup instead of scooping prevents dense, heavy muffins.
  • Baking powder and baking soda: This duo is what gives you that beautiful rise and tender crumb, so make sure yours aren't expired or you'll end up with sad, flat tops.
  • Unsalted butter (1/2 cup melted, 1/4 cup cold for streusel): Melted butter makes the muffins soft and moist, while cold cubed butter in the streusel creates those perfect crumbly bits that crunch when you bite in.
  • Granulated sugar and light brown sugar: White sugar sweetens the muffins evenly, while brown sugar in the streusel adds a hint of molasses warmth that makes the topping irresistible.
  • Eggs (2 large, room temperature): Cold eggs can seize up the melted butter, so I leave mine on the counter for about 20 minutes before I start, or run them under warm water for a minute.
  • Vanilla extract: Just one teaspoon, but it rounds out all the other flavors and makes the kitchen smell like a hug.
  • Whole milk and sour cream: The milk keeps things tender, and the sour cream adds richness and a slight tang that balances the sweetness beautifully.
  • Fresh or frozen blueberries (1 1/2 cups): I've used both and honestly prefer frozen because they don't burst as easily and you don't have to plan ahead, just toss them in straight from the freezer.
  • Ground cinnamon: A small amount in the streusel that quietly ties everything together without announcing itself.

Instructions

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Preheat and Prep:
Set your oven to 400°F and line your muffin tin with paper liners or give it a good greasing. The high heat is what creates those gorgeous domed tops, so don't be tempted to lower it.
Make the Streusel First:
Mix the flour, brown sugar, and cinnamon in a small bowl, then work the cold butter in with a fork or your fingers until it looks like wet sand. Pop it in the fridge so it stays cold and crumbly.
Combine the Dry Ingredients:
Whisk together your flour, baking powder, baking soda, and salt in a medium bowl. This step ensures everything is evenly distributed so you don't get pockets of baking soda or salt.
Mix the Wet Ingredients:
In a large bowl, whisk the melted butter and sugar until they're smooth and slightly pale. Add the eggs one at a time, beating after each, then stir in the vanilla, milk, and sour cream until the mixture looks silky.
Fold Wet and Dry Together:
Gently fold the dry ingredients into the wet mixture using a spatula, stopping as soon as you don't see any more streaks of flour. Overmixing will make your muffins tough and chewy instead of fluffy.
Add the Blueberries:
Toss your blueberries with a tablespoon of flour to coat them lightly, then fold them into the batter with a few gentle strokes. The flour keeps them from sinking to the bottom during baking.
Fill and Top:
Divide the batter evenly among the muffin cups, filling each about three-quarters full. Sprinkle a generous handful of streusel on top of each one, pressing it lightly so it sticks.
Bake Until Golden:
Slide the tin into the oven and bake for 20 to 22 minutes, until a toothpick inserted in the center comes out clean or with just a few moist crumbs. The tops should be golden and the streusel should look toasted.
Cool and Serve:
Let the muffins sit in the tin for 5 minutes to firm up, then transfer them to a wire rack. They're amazing warm, but they also hold up beautifully at room temperature for a couple of days.
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Cook complete meals by frying, sautéing, simmering, and boiling with easy nonstick cleanup every day.
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A close-up of freshly baked Fluffy Homemade Blueberry Muffins, overflowing with blueberries and crunchy streusel. Pin it
A close-up of freshly baked Fluffy Homemade Blueberry Muffins, overflowing with blueberries and crunchy streusel. | soupbuffer.com

There's something about pulling a tray of golden muffins out of the oven and hearing that little crackle as they cool that makes the whole house feel calmer. I made these the morning after a stressful week once, and just the act of measuring, folding, and watching them rise felt like hitting a reset button. My partner wandered in halfway through, grabbed one still warm from the rack, and said it tasted like a Saturday morning even though it was a Tuesday.

How to Store and Reheat

These muffins keep well in an airtight container at room temperature for up to three days, or you can freeze them individually wrapped in plastic and foil for up to three months. When I want one from the freezer, I just let it thaw on the counter for an hour or pop it in the microwave for 20 seconds. The streusel might soften a bit after storing, but a quick toast in the oven at 350°F for five minutes brings back that crunch.

Flavor Variations to Try

I've swapped the blueberries for raspberries, blackberries, and even diced strawberries with great results, just keep the total amount around 1 1/2 cups. Adding a teaspoon of lemon zest to the batter gives them a bright, bakery-style flavor that pairs beautifully with the blueberries. Once I stirred in a handful of white chocolate chips along with the berries, and they disappeared even faster than usual.

Troubleshooting Common Issues

If your muffins come out flat, check the freshness of your leavening agents and make sure your oven is actually reaching 400°F, sometimes ovens run cooler than the dial says. Rubbery texture usually means the batter was overmixed, so fold just until the flour disappears and no more. If the streusel slides off, press it gently into the batter before baking, and make sure the butter in it is cold enough to stay crumbly.

  • Use room temperature eggs and dairy for the smoothest batter and even rising.
  • Fill the muffin cups generously for those classic bakery-style domed tops.
  • Let the muffins cool for at least five minutes in the tin or they might fall apart when you try to remove them.
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Warm and fluffy, these delicious Fluffy Homemade Blueberry Muffins with delightful streusel topping are ready to enjoy. Pin it
Warm and fluffy, these delicious Fluffy Homemade Blueberry Muffins with delightful streusel topping are ready to enjoy. | soupbuffer.com

These muffins have become my go-to whenever I need to feel like I have my life together, even when I don't. They're simple, forgiving, and always turn out beautifully, which is exactly what I need on a chaotic morning.

Recipe FAQs

How do I keep blueberries from sinking?

Coat the blueberries lightly with flour before folding them into the batter; this helps suspend them evenly.

Can I use frozen blueberries?

Yes, use frozen berries directly without thawing to prevent excess moisture in the batter.

What gives the streusel its crunch?

Cold cubed butter cut into flour, brown sugar, and cinnamon creates the crumbly, crispy streusel topping.

Is there a way to add citrus flavor?

Adding a teaspoon of lemon zest to the batter brightens the overall flavor profile.

How should these muffins be stored?

Store in an airtight container at room temperature for up to two days or refrigerate to extend freshness.

Fluffy Blueberry Muffins Streusel

Tender, bakery-style muffins rich with juicy blueberries and a buttery, crunchy streusel topping.

Prep Time
15 minutes
Time to Cook
22 minutes
Overall Time
37 minutes
Created by Audrey Taylor


Skill Level Easy

Cuisine Type American

Makes 12 Portions

Diet Preferences Vegetarian

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 (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

Steps

Step 01

Preheat oven and prepare muffin tin: Set oven temperature 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 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 addition. Stir in vanilla, milk, and sour cream until smooth.

Step 05

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

Step 06

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

Step 07

Fill muffin cups and top: Distribute batter evenly among muffin cups and sprinkle with streusel topping.

Step 08

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

Step 09

Cool before serving: Allow muffins to cool in the tin 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 Info

Review all components for allergens and talk to your health provider if unsure.
  • Contains wheat (gluten), dairy, and eggs.
  • May contain tree nuts if processed in shared facilities.

Nutrition Details (per portion)

Details are for general guidance. Always seek expert healthcare advice.
  • Energy: 245
  • Fats: 11 g
  • Carbohydrates: 33 g
  • Proteins: 3 g