MuffinsAmericanEasy

Brown Butter Blueberry Muffins

Name: Brown Butter Blueberry Muffins
Prep time: 15 min
Cook time: 22 min
Total time: 37 min
Yield: 12 servings
Cuisine: American
Ingredients: 6 tablespoons (85 g) unsalted butter, room temperature; 1 cup (200 g) granulated sugar; 2 large eggs, at room temperature; 1½ teaspoons (7½ ml) vanilla extract; 1 cup (240 ml) buttermilk, at room temperature; 2 cups (240 g) all-purpose flour; 1½ teaspoons (7 g) baking powder; ¼ teaspoon (1¼ g) baking soda; ½ teaspoon (3 g) fine sea salt; 1½ cups (225 g) fresh or frozen blueberries, if frozen, toss with 1 tablespoon flour; 2 tablespoons (25 g) granulated sugar; ½ teaspoon (1 g) ground cinnamon

From the MyKitchenBank Kitchen

Tender, moist muffins with the deep, nutty flavor of brown butter and bursts of fresh or frozen blueberries. These are rich enough for a weekend breakfast or coffee companion, yet simple enough for a weekday morning. The brown butter adds complexity without fuss, and a light cinnamon-sugar topping gives them a café-quality finish.

Prep: 15 min
Cook: 22 min
Wait: 5 min
Total: 42 min
Makes: 12 muffins

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Steps

Before you start

Preheat oven to 375°F (190°C) and line a 12-cup muffin tin with paper liners or grease it well
Brown the butter ahead of time so it cools slightly before mixing—this prevents curdling the eggs
Have all ingredients at room temperature for a smooth batter
If using frozen blueberries, do not thaw; toss them in a tablespoon of flour to prevent sinking

1
Brown the butter
- In a small saucepan over medium-low heat, melt the butter, stirring occasionally.
- The butter will foam slightly and eventually turn golden, releasing a nutty aroma—this takes 5–7 minutes.
- You'll see brown milk solids at the bottom of the pan.
- Once the butter smells toasted and turns a medium amber color, immediately pour it (including the milk solids) into a small bowl.
- Let it cool to lukewarm, about 5–10 minutes.
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Ready when: Butter is golden amber and smells nutty; milk solids are visible at the pan bottom
Tip: Watch closely during browning—butter goes from perfect to burnt quickly. Don't let it turn too dark or taste burnt.
2
Mix dry ingredients
- In a medium bowl, whisk together the flour, baking powder, baking soda, and salt.
- Set aside.
- This prevents lumps of baking powder from ending up in the final batter.
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Ready when: Mixture is uniform and no lumps remain
3
Cream sugar with cooled brown butter
- In a large mixing bowl, combine the cooled brown butter and granulated sugar.
- Whisk or stir for about 1 minute until the mixture is pale and slightly fluffy.
- This doesn't need much time since the butter is already liquid.
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Ready when: Mixture is lighter in color and combined throughout
4
Add eggs and vanilla
- Break both eggs into the butter-sugar mixture.
- Whisk or beat well for about 2 minutes until the mixture is light, thick, and pale.
- Add the vanilla extract and whisk for another 30 seconds to combine fully.
- This incorporates air and ensures a tender crumb.
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Ready when: Mixture is pale, thick, and ribbons slightly when whisk is lifted
5
Alternate flour and buttermilk
- Add half the dry mixture (about 1 cup) to the wet ingredients and stir until just combined—don't overmix.
- Pour in half the buttermilk (about ½ cup) and stir until just incorporated.
- Repeat: add the remaining flour mixture, stir to combine, then add the remaining buttermilk.
- Stop stirring as soon as no dry streaks remain.
- A few lumps are okay; overmixing will make tough muffins.
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Ready when: Batter is smooth with no dry flour streaks; some small lumps are fine
Tip: Stop as soon as the dry ingredients are moistened. Overmixing develops gluten and creates dense muffins.
6
Fold in blueberries
- Using a rubber spatula or wooden spoon, gently fold the blueberries into the batter with about 10 slow strokes, being careful not to crush them or overmix.
- If using frozen blueberries that were tossed in flour, fold them in as is—the flour prevents them from sinking and staining the batter dark.
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Ready when: Blueberries are evenly distributed throughout the batter
Tip: Fold gently to keep blueberries whole and prevent the batter from turning blue.
7
Fill muffin cups
- Divide the batter evenly among the 12 muffin cups, filling each about ⅔ to ¾ full.
- Use a muffin scoop or two spoons to portion evenly.
- The batter should be thick and slightly stiff.
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Ready when: Each cup is filled evenly; batter reaches about ⅔ up the sides
8
Make cinnamon-sugar topping
- In a small bowl, stir together the 2 tablespoons granulated sugar and ½ teaspoon ground cinnamon until uniform.
- Sprinkle about ½ teaspoon of this mixture on top of each muffin, dividing it evenly among all 12.
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Ready when: Topping is evenly distributed across all muffins
9
Bake muffinsOven 375°F / 190°C
- Place the muffin tin in the preheated 375°F (190°C) oven and bake for 20–22 minutes.
- The muffins should rise above the rims of the cups and turn golden-brown on top.
- They're done when a toothpick or thin skewer inserted into the center of one comes out clean or with just a few moist crumbs clinging to it—no wet batter.
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Ready when: Tops are golden brown and a toothpick inserted in the center comes out clean or with just a few moist crumbs
Tip: Don't overbake; muffins dry out quickly once cooked through. Check at 20 minutes.
10
Cool and serve
- Remove the tin from the oven and let the muffins rest in the tin for 5 minutes.
- This allows them to set slightly and become easier to handle.
- Turn them out onto a wire rack to cool to room temperature, about 30 minutes, before serving.
- They're delicious warm or at room temperature.
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Ready when: Muffins are warm to the touch and easily release from the tin
Tip: If you leave them in the hot tin too long, steam makes them soggy on the bottom.

Good to know

Tips

Brown butter is key to these muffins' flavor—don't skip it, but watch carefully to avoid burning. The milk solids should be visible and golden, not black.
If you prefer extra-tall muffins with domed tops, divide the batter among only 10 cups instead of 12, filling each about ¾ full. Increase baking time by 2–3 minutes.
Tossing frozen blueberries in a tablespoon of flour before folding prevents them from sinking and keeps the batter from turning blue—a baker's secret.
For a more crumbly, cinnamon-roll-like topping, use a mixture of 3 tablespoons brown sugar, ½ teaspoon cinnamon, and ½ tablespoon melted butter sprinkled on each muffin before baking.

Make ahead

You can prepare the batter up to 2 hours ahead: cover the filled muffin tin and refrigerate. Bake directly from the fridge, adding 2–3 minutes to the baking time. Alternatively, bake the muffins fully, cool completely, wrap in plastic wrap or foil, and refrigerate for up to 3 days—reheat gently in a 300°F (150°C) oven for 5–8 minutes before serving.

Storage & reheating

Store cooled muffins in an airtight container at room temperature for up to 2 days. For longer storage, wrap each muffin individually in plastic wrap and foil, then freeze for up to 3 months. Thaw at room temperature for 1 hour, or reheat from frozen in a 300°F (150°C) oven for 12–15 minutes.

Substitutions

buttermilk → Greek yogurt (use 1 cup plain Greek yogurt; it will be slightly thicker) or sour cream thinned with 2 tablespoons milk. Both provide the same tang and acid to activate the baking soda. Yogurt makes muffins denser; adjust by adding ¼ teaspoon extra baking soda if desired.
fresh or frozen blueberries → Fresh raspberries, blackberries, or a mix; or 1½ cups chopped fresh or frozen strawberries. Use fruit of similar moisture content. Raspberries and blackberries are delicate, so fold in very gently. Strawberries add more liquid, so reduce buttermilk by 2 tablespoons.
all-purpose flour → Whole wheat pastry flour (use the same weight, 240 g) mixed with all-purpose flour in a 1:1 ratio. All whole wheat flour will make muffins denser and nuttier. Increase buttermilk by 2 tablespoons to compensate for absorption.
unsalted butter → 6 tablespoons (85 g) unsalted butter melted in the pan and cooled, or regular softened butter creamed with the sugar. You'll lose the nutty brown butter flavor, but the muffins will still be tender and delicious.