Blueberry Muffins (Brown Butter, Lemon & Streusel)

A deeply flavorful brown butter blueberry muffin with brown butter, lemon, and our favorite crunchy streusel — rebuilt from the ground up.

Updated May 2026: new photos, clearer instructions, brown‑butter method, and improved streusel topping.

Years ago, Brenda and I tore out an overgrown evergreen bush that came with the house — leggy, shapeless, and long past its prime. We pulled it, filled the bed with fresh soil, and moved on. The next spring, something unexpected pushed up from the ground in its place: a small, scrubby volunteer with waxy leaves and tiny blue fruits. We had accidentally inherited a wild blueberry bush.

We didn’t realize what it was until that first summer, when we started picking handfuls of small, intensely sweet berries from something we’d nearly mowed over. They weren’t large or particularly beautiful. They tasted like summer. Naturally, we made blueberry muffins.

That wild bush has become a fixture in our yard. It produces more than you’d expect from something so unassuming, and over the years it inspired us to plant more blueberry bushes on purpose. Now we have a small cluster, and when the harvest is good, we pick more than we can use fresh. That’s where the freezer comes in — but more on that in a moment.

The muffin recipe has evolved right alongside the blueberry patch. What started as a straightforward buttermilk muffin has picked up a few meaningful upgrades over the years: brown butter, lemon zest rubbed into the sugar, an extra egg yolk for richness, more blueberries, and the streusel topping we’ve been making forever but somehow never officially added to the recipe. These aren’t dramatic changes — they’re the quiet improvements that happen when you make something often enough to know exactly what it wants.

Today, we’re making it official.

Why You’ll Love These Brown Butter Blueberry Muffins

• Bakery‑style height with a tender, moist crumb
• Brown butter adds deep, nutty flavor
• Bright lemon zest wakes up the blueberries
• Extra egg yolk = richer texture
• 1½ cups of blueberries in every batch
• Crispy brown‑butter streusel with turbinado crunch
• No mixer needed — bowl‑and‑stir simplicity
• Perfect for freezing (both the muffins and the berries)

Why This Recipe Works

Brown Butter

The biggest upgrade. Browning the butter until the milk solids turn golden adds a nutty, caramel‑like depth that plain melted butter can’t match. If you want to learn more about brown butter take a deep dive in our Brown Butter Hub.

Lemon Zest in the Sugar

Rubbing the zest directly into the sugar releases the essential oils and distributes bright lemon flavor through every bite.

The Extra Egg Yolk

One whole egg plus one yolk adds richness and a more golden crumb — especially noticeable in giant muffins.

More Blueberries

We increased the berries from 1 cup to 1½ cups. Update: We now add 1–2 teaspoons of lemon juice to the berries before flouring them — it brightens the fruit without thinning the batter.

Brown Butter Streusel (Updated)

A blend of brown sugar + turbinado sugar gives the streusel both crunch and caramel depth.

Ingredient Notes

• Blueberries: Fresh or frozen both work. If using frozen, add them straight from the freezer.
• Butter: Use unsalted. Brown it in a light‑colored pan so you can see the color change.
• Buttermilk: Adds tang and tenderness. Whole‑milk buttermilk is best.
• Lemon: Zest goes into the sugar; juice brightens the berries.
• Turbinado sugar: Adds crunch to the streusel.
• Oats: Old‑fashioned rolled oats only — not quick oats.

Tools You’ll Need

• Light‑colored saucepan (for browning butter)
• Mixing bowls
• Microplane zester
• Rubber spatula
• Standard or jumbo muffin tin
• Jumbo parchment liners
• Cooling rack

Step‑By‑Step Overview

1. Brown the butter and let it cool.
2. Make the streusel and chill it.
3. Rub lemon zest into the sugar to release the oils.
4. Whisk in the egg, yolk, and buttermilk.
5. Fold in the dry ingredients.
6. Toss blueberries with lemon juice + flour and fold them in.
7. Fill the muffin cups and top with streusel.
8. Bake at 400°F until golden and tall.
9. Cool briefly before serving.

Mistakes to Avoid

• Not cooling the brown butter: Hot butter will scramble the egg.
• Overmixing the batter: Leads to dense, tough muffins.
• Using thawed frozen berries: They bleed and turn the batter purple.
• Skipping the flour on the berries: They’ll sink to the bottom.
• Under‑baking: The streusel should be deep golden, not pale.

Troubleshooting

Muffins didn’t rise high

• Oven wasn’t hot enough
• Batter was overmixed
• Baking powder was old

Berries sank

• They weren’t coated in flour
• Batter was too warm or too thin

Streusel melted instead of staying crumbly

• Butter was too warm
• Streusel wasn’t chilled
• Too much butter added

Muffins too brown on top

• Rack was too high
• Oven runs hot — reduce to 385°F next time

FAQs

Can I use frozen blueberries?

Yes — add them straight from the freezer. Do not thaw.

Can I make these without the streusel?

Yes, but the streusel is one of the best parts.

Can I make these gluten‑free?

Use a 1:1 gluten‑free flour blend and skip the oats in the streusel.

Can I make these dairy‑free?

You can use vegan butter, but the flavor won’t be the same.

Can I bake these as jumbo muffins?

Yes — bake 35–40 minutes.

Storage & Freezing

• Room temperature: 2 days in an airtight container
• Refrigerator: 4–5 days
• Freezer: Up to 3 months
• Reheat: 10–12 seconds in the microwave or 5 minutes in a 300°F oven

Variations

• Lemon glaze: Powdered sugar + lemon juice
• Cinnamon streusel: Add ½ teaspoon cinnamon
• Mixed berry: Replace half the blueberries with raspberries
• Almond: Add ½ teaspoon almond extract to the batter
• Blueberry‑peach: Fold in diced peaches with the berries

Serving Suggestions

• Warm with butter
• With coffee or tea
• As part of a brunch spread
• Split and toasted with lemon curd
• With vanilla yogurt and fresh berries

Print Recipe

The Best Blueberry Muffins (Brown Butter, Lemon & Streusel)

Bakery‑style blueberry muffins made with brown butter, lemon zest, and a crunchy brown‑butter streusel. Tender crumb, big blueberry flavor, and a bright lemon finish.

Prep Time20 minutes mins

Cook Time35 minutes mins

Course: Breakfast

Cuisine: American

Keyword: blueberry, Breakfast, brown butter blueberry muffins, buttermilk, lemon blueberry muffins, muffin, streusel muffins

Servings: 6 Giant Muffins

Calories: 570kcal

Author: Scott – Recipe Remodeler

Ingredients

Muffin Batter

• ¾ cup 12 tablespoons unsalted butter
• 1 cup granulated sugar
• Zest of 1 large lemon
• ¾ cup buttermilk room temperature
• 1 large egg + 1 egg yolk room temperature
• 1¾ cups all-purpose flour sifted
• 2½ teaspoons baking powder
• ½ teaspoon salt
• 1½ cups fresh or frozen blueberries
• 1 tablespoon all-purpose flour to coat berries
• 1 –2 teaspoons lemon juice optional

Brown Butter Streusel

• ⅓ cup all-purpose flour
• 2 tablespoons packed light brown sugar
• 2 tablespoons turbinado sugar
• ¼ cup old-fashioned rolled oats
• 3 tablespoons unsalted butter browned and cooled
• Pinch of salt

Instructions

Brown the butter.

• Melt ¾ cup butter in a light-colored saucepan over medium heat, stirring frequently. Cook until the milk solids turn golden brown and smell nutty, 5–7 minutes. Pour into a large mixing bowl and cool 10–15 minutes. Brown the 3 tablespoons of butter for the streusel and set aside.
  

Make the streusel.

• Combine flour, brown sugar, turbinado sugar, oats, and salt. Drizzle in the cooled brown butter and mix with a fork until clumpy. Refrigerate while you make the batter.
  

Prepare the muffin tins.

• Preheat the oven to 400°F. Grease a standard or jumbo muffin tin and line with parchment liners.

Prepare the lemon sugar.

• Add the sugar and lemon zest to the cooled brown butter. Rub the zest into the sugar with your fingers until fragrant.

Mix the wet ingredients.

• Whisk in the egg, yolk, and buttermilk until smooth.
  

Add the dry ingredients.

• Sift flour, baking powder, and salt over the bowl. Fold gently until just combined.
  

Fold in the berries.

• Toss blueberries with lemon juice (optional) and 1 tablespoon flour, then fold into the batter. If using frozen berries, add them straight from the freezer.
  

Fill the tins.

• Portion batter into the muffin cups, filling each about two-thirds full. Top generously with streusel and press lightly to adhere.
  

Bake.

• Standard muffins: 20–22 minutes
• Jumbo muffins: 35–40 minutes
  
• Muffins are done when a toothpick comes out clean and the streusel is deep golden.
• Cool. Let muffins cool in the pan for 5 minutes, then transfer to a wire rack.

Notes

• For frozen berries: add them straight from the freezer to prevent purple batter.
• Jumbo muffins bake beautifully in a 6‑cup USA Pan tin.
• Add a lemon glaze if you want extra brightness.
• Muffins freeze well for up to 3 months.

These brown butter blueberry muffins are everything we love about summer baking — bright, tender, loaded with blueberries, and topped with a crunchy brown‑butter streusel that makes the whole kitchen smell incredible. Whether you’re using fresh berries from the market or frozen berries from last year’s harvest, this is the version we come back to again and again.

Love cozy, comforting recipes?

Join the Recipe Remodeler kitchen and get new recipes delivered straight to your inbox. No spam — just warm, delicious inspiration.

Type your email…

Subscribe

If you enjoy my recipes and want to support the work that goes into creating them, you can always Buy Me a Coffee . Your support helps keep this site ad‑free, well‑tested, and full of delicious new dishes. Thank you for being here and cooking along with me!