Fluffy Blueberry Muffins Streusel

Featured in: Oven-Baked Favorites

These fluffy blueberry muffins are soft and tender, packed with fresh or frozen blueberries for juicy bursts in every bite. The crumbly streusel topping adds a buttery crunch that perfectly complements the moist texture of the muffins. Simple preparation and quick baking make them ideal for breakfast or dessert. Variations include adding lemon zest for bright flavor or substituting Greek yogurt for sour cream. Serve warm or cooled with coffee or tea.

Updated on Sat, 20 Dec 2025 08:56:00 GMT
Golden-brown, fluffy homemade blueberry muffins with a delightful streusel topping ready to eat. Save
Golden-brown, fluffy homemade blueberry muffins with a delightful streusel topping ready to eat. | crunchymsemen.com

My neighbor showed up one Sunday morning with a basket of blueberries from her garden, still warm from the sun. I had no plan, no special occasion, just berries that needed using and a craving for something sweet. An hour later, my kitchen smelled like a bakery, and those muffins—golden, crumbly on top, bursting with fruit—disappeared before lunch.

I made these again the morning my sister visited with her kids. The little one kept sneaking back to the cooling rack, and by the time we sat down for breakfast, two muffins were already gone. Nobody minded.

Ingredients

  • All-purpose flour: The base that gives structure, but dont overmix it or the muffins turn dense and tough.
  • Baking powder and baking soda: These two work together to make the muffins rise tall and stay light.
  • Unsalted butter: Melted and cooled so it blends smoothly without scrambling the eggs.
  • Granulated sugar: Just enough sweetness to balance the tartness of the berries.
  • Eggs: Room temperature eggs mix better and create a smoother batter.
  • Vanilla extract: A small amount that deepens the flavor without shouting.
  • Whole milk and sour cream: This combination keeps the crumb tender and adds a subtle tang.
  • Blueberries: Fresh or frozen both work, and tossing them in a little flour keeps them from sinking to the bottom.
  • Brown sugar and cinnamon: The secret to a streusel topping that tastes like childhood and smells like comfort.
  • Cold butter for streusel: Cubed and cold so it stays crumbly instead of melting into the sugar.

Instructions

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Preheat and prep:
Turn the oven to 400°F and line your muffin tin with paper cups or a good layer of grease. The high heat helps the tops dome beautifully.
Make the streusel:
Mix flour, brown sugar, and cinnamon in a small bowl, then cut in cold butter with a fork until it looks like wet sand. Pop it in the fridge so it stays firm.
Combine the dry ingredients:
Whisk flour, baking powder, baking soda, and salt together in a medium bowl. This ensures the leavening is evenly distributed.
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 the mixture looks silky.
Fold it together:
Add the dry ingredients to the wet and fold gently with a spatula until barely combined. A few lumps are fine, overmixing makes tough muffins.
Add the blueberries:
Toss them with a tablespoon of flour, then fold into the batter carefully so they dont burst and turn everything blue.
Fill and top:
Divide the batter evenly among the muffin cups, filling them nearly full. Sprinkle each with a generous pinch of streusel.
Bake:
Bake for 20 to 22 minutes until the tops are golden and a toothpick comes out clean. The streusel should be crisp and fragrant.
Cool:
Let the muffins sit in the tin for 5 minutes, then move them to a wire rack. This keeps the bottoms from getting soggy.
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Close-up shot shows the juicy blueberries baked inside these perfect homemade muffins with streusel. Save
Close-up shot shows the juicy blueberries baked inside these perfect homemade muffins with streusel. | crunchymsemen.com

The first time I brought these to a potluck, someone asked if I bought them from a bakery. I didnt correct them right away because it felt too good to let the compliment sit there for a minute.

How to Store and Reheat

These muffins stay soft for two days at room temperature in an airtight container. After that, I wrap them individually and freeze them, then pop one in the microwave for 20 seconds when I want a quick breakfast. The streusel softens a little, but the flavor stays just right.

Variations You Can Try

Add a teaspoon of lemon zest to the batter for a bright, citrusy twist that makes the blueberries taste even more vibrant. You can also swap the blueberries for raspberries or chopped strawberries, though blueberries hold their shape the best. Greek yogurt works in place of sour cream if thats what you have on hand.

Serving Suggestions

These are perfect warm with butter melting into the crumb, or at room temperature with a cup of strong coffee. I also love them alongside scrambled eggs for a weekend breakfast that feels a little special.

  • Serve with a pat of salted butter for extra richness.
  • Pair with hot tea or a latte for an afternoon treat.
  • Pack them in lunchboxes or take them on road trips, they travel well.
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Freshly baked, beautifully domed blueberry muffins with crunchy streusel topping, perfect for breakfast. Save
Freshly baked, beautifully domed blueberry muffins with crunchy streusel topping, perfect for breakfast. | crunchymsemen.com

Theres something quietly satisfying about pulling a tray of golden muffins from the oven and knowing you made them from scratch. I hope these become a favorite in your kitchen too.

Recipe FAQ

How do I prevent blueberries from sinking?

Tossing blueberries with a bit of flour before folding them into the batter helps keep them suspended throughout baking.

Can I use frozen blueberries instead of fresh?

Yes, frozen blueberries can be used directly without thawing, maintaining their shape and juiciness during baking.

What is the purpose of the streusel topping?

The streusel adds a buttery, crunchy texture that contrasts the soft muffins, enhancing overall flavor and mouthfeel.

Can I substitute sour cream with something else?

Greek yogurt is a great alternative that maintains moisture and adds a slight tanginess to the batter.

How do I know when the muffins are baked?

Insert a toothpick into the center; it should come out clean and the tops should be golden brown when done.

Fluffy Blueberry Muffins Streusel

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

Prep Time
15 minutes
Time to Cook
22 minutes
Overall Time
37 minutes
Created by Ethan Reynolds


Skill Level Easy

Cuisine American

Makes 12 Portion Size

Diet Details Meatless

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

Directions

Step 01

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

Step 02

Make streusel topping: Combine flour, brown sugar, and cinnamon in a small bowl. Cut in cold butter using a fork or pastry cutter until mixture resembles coarse crumbs, then refrigerate.

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 until combined. Add eggs one at a time, beating thoroughly after each. Stir in vanilla extract, milk, and sour cream until smooth.

Step 05

Fold dry ingredients into wet: Gently fold dry ingredient mixture into wet ingredients until just incorporated; avoid overmixing.

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 topping: Divide batter evenly among muffin cups. Generously sprinkle streusel topping over each.

Step 08

Bake: Bake for 20 to 22 minutes until toothpick comes out clean and tops turn golden brown.

Step 09

Cool: Let muffins 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 Advice

Always review each component for allergens and check with your healthcare provider with any concerns.
  • Contains wheat (gluten), dairy, and eggs. May contain tree nuts if processed in shared facilities.

Nutrition per serving

For general awareness only — not a substitute for guidance from your doctor.
  • Kcal: 245
  • Fats: 11 grams
  • Carbohydrates: 33 grams
  • Proteins: 3 grams