The BEST buttermilk blueberry muffins with a crunchy sugary top! Using buttermilk yields a moist, tender crumb and a fluffy texture. If you haven’t tried blueberry muffins made with buttermilk, you’re in for a treat—give these lemon-blueberry buttermilk muffins a try!

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Blueberry Muffins with Buttermilk
Blueberry muffins are a classic breakfast or snack. These muffins are inspired by bakery-style versions with tall, domed tops, a soft crumb and a bright lemon note that complements the berries. Full-fat buttermilk adds tang and richness while helping the muffins stay moist. A sprinkle of coarse sugar on top gives a pleasant crunch like a café muffin.
Why this recipe works
- Tall & fluffy – a quick, high-heat start in the oven and the right leavening give the muffins a good rise and domed tops.
- Moist & tender – buttermilk plus creamed butter create a richly flavored, tender crumb without needing oil.
- Lemony brightness – lemon zest lifts the blueberry flavor and keeps the muffins fresh-tasting.
- Café-style crunch – turbinado or coarse sugar sprinkled on top before baking creates a crunchy, attractive finish.
When to make these
- Brunch: A basket of warm muffins looks great on a buffet and disappears fast.
- Meal prep: Bake a batch, freeze extras, and grab one for busy mornings.
- Snack: Perfect for kids’ after-school snacks or coffee breaks.

What makes muffins moist?
Buttermilk provides acidity that tenderizes gluten and reacts with baking soda to help leavening. Combined with creamed, softened butter, the result is a tender, moist muffin with good flavor. A careful mixing method—folding until just combined—prevents tough muffins.
Oil or butter?
This recipe uses butter to highlight buttery flavor while buttermilk preserves moisture. If you prefer, oil can make slightly moister muffins, but you’ll miss the characteristic butter flavor.

Ingredients
These muffins use buttermilk for flavor and tenderness, lemon zest for brightness, and coarse sugar for topping. Quantities below make 12 muffins.
- 2 1/4 cups (288 g) all-purpose flour
- 1 tablespoon baking powder
- 1/4 teaspoon baking soda
- 3/4 teaspoon salt
- 1 1/4 cups (250 g) granulated sugar
- 1/2 cup (114 g) unsalted butter, softened
- 2 large eggs, room temperature
- 1 teaspoon pure vanilla extract
- 2 teaspoons lemon zest
- 2/3 cup (160 g) full-fat buttermilk, room temperature (plus 1 tablespoon if needed)
- 1 1/2 cups (222 g) blueberries, fresh or frozen, washed and dried
- 1/4 cup (50 g) turbinado or coarse sugar for topping
- Cooking spray or parchment for the muffin pan

Equipment
Suggested equipment: 12-cup muffin pan, cupcake liners or parchment squares, mixing bowls, whisk, hand mixer or stand mixer (for creaming butter and sugar), rubber spatula and a cookie scoop or spoon for portioning batter.
Step by step
- Preheat your oven to 425°F (220°C). Prepare a 12-cup muffin pan by spraying lightly with cooking spray and lining with cupcake liners or parchment squares.
- Whisk together the flour, baking powder, baking soda and salt. Toss the blueberries with a few tablespoons of the flour mixture to coat—this helps keep them from sinking.
- Using a mixer, cream the softened butter and granulated sugar until light and pale, about 2 minutes.
- Add the eggs one at a time, then stir in the vanilla and lemon zest until combined.
- Alternate adding the dry ingredients and the buttermilk to the butter mixture, beginning and ending with the dry ingredients. Stir gently until just combined; do not overmix. If the batter seems too thick, add up to 1 tablespoon more buttermilk.
- Fold the floured blueberries into the batter. Divide the batter evenly among the 12 muffin cups and sprinkle the tops with turbinado sugar.
- Bake at 425°F for 8 minutes, then without opening the oven reduce the temperature to 375°F (190°C) and bake an additional 15 minutes, or until a toothpick inserted into a muffin comes out clean.
- Cool in the pan for 10 minutes, then transfer muffins to a wire rack to cool completely or serve warm.

Tips & F.A.Q.
The acid in buttermilk breaks down gluten for a tender crumb and reacts with baking soda to enhance lift.
Can I use regular milk?
Yes—substitute whole milk plus 2 teaspoons vinegar (or lemon juice) for the same acidic effect if you don’t have buttermilk.
Fresh or frozen blueberries?
Both work. If using frozen, do not thaw—toss them frozen into the batter after coating with flour.
How do I prevent blueberries from sinking?
Tossing berries with flour before folding them into the batter helps suspend them and prevents soggy bottoms.
How to achieve high domed tops?
Start the bake at a higher temperature to create steam that lifts the batter. Also avoid overmixing and consider chilling the batter briefly if you want an extra-thick batter before baking.
Storage:
Store muffins in an airtight container at room temperature for up to 4 days. To freeze, wrap individually and freeze in a resealable bag for up to 2 months.

More berry recipes you’ll love
- Blueberry Cream Cheese Coffee Cake
- Skillet Blueberry Cobbler
- Blueberry Cream Cheese Bars
- Lemon and Blackberry Cake
- Raspberry and White Chocolate Blondies
📖 Recipe
Buttermilk Blueberry Muffins – The Best Ever!
Moist, fluffy buttermilk blueberry muffins with lemon zest and a crunchy turbinado sugar top. Ready in about 40 minutes.
Prep Time: 5 minutes | Cook Time: 35 minutes | Total Time: 40 minutes
Course: Breakfast, Dessert, Snack | Cuisine: American | Servings: 12 muffins | Calories: 394 kcal (approx.)
Ingredients
- 2 1/4 cups all-purpose flour (288 g)
- 1 tablespoon baking powder
- 1/4 teaspoon baking soda
- 3/4 teaspoon salt
- 1 1/4 cups granulated sugar (250 g)
- 1/2 cup unsalted butter, softened (114 g)
- 2 large eggs, room temperature
- 1 teaspoon pure vanilla extract
- 2 teaspoons lemon zest
- 2/3 cup full-fat buttermilk, room temperature (160 g)
- 1 1/2 cups blueberries, fresh or frozen (222 g)
- 1/4 cup turbinado sugar for topping (50 g)
Instructions
- Preheat oven to 425°F (220°C). Prepare a 12-cup muffin pan and line with liners or parchment.
- Whisk flour, baking powder, baking soda and salt in a bowl. Toss blueberries in a few tablespoons of the dry mix to coat.
- Cream butter and sugar until pale and fluffy, about 2 minutes. Add eggs one at a time, then vanilla and lemon zest.
- Alternate adding dry ingredients and buttermilk to the butter mixture, beginning and ending with dry ingredients. Stir until just combined. Add up to 1 tablespoon extra buttermilk if needed.
- Fold in the coated blueberries gently. Divide batter among 12 cups and sprinkle tops with turbinado sugar.
- Bake 8 minutes at 425°F, then reduce oven to 375°F (190°C) without opening the door. Bake another 15 minutes or until a toothpick comes out clean.
- Cool in pan 10 minutes, then transfer to a wire rack. Serve warm or cooled.
Notes
If you don’t have buttermilk, substitute 2/3 cup whole milk with 2 teaspoons vinegar (or lemon juice) to mimic buttermilk’s acidity. Full-fat buttermilk gives the best richness.
If you make these muffins, enjoy them fresh and consider freezing extras for busy mornings. They reheat well and keep their texture when stored properly.