Tender Gluten Free Blueberry Muffins with a Golden Top
These gluten free blueberry muffins come together with a handful of pantry staples and a full cup of fresh berries. The crumb stays soft for days, and the tops puff up golden in the oven.

A little sour cream in the batter does most of the work, so you get a muffin that tastes like it came from a bakery even on a rushed morning. No gritty texture or dry edges here.
What Makes These Gluten Free Muffins So Good
I keep coming back to this recipe because it delivers real muffin texture without a long list of flours or gums. The gluten free blend with xanthan gum gives the crumb structure, and the sour cream adds just enough richness to make every bite feel plush without being heavy.
The blueberries stay suspended in the thick batter instead of falling to the bottom, so you hit a juicy pocket in almost every mouthful. And because they aren’t overly sweet, they work just as well next to a cup of coffee as they do tucked into a lunchbox.
Ingredients

- 2 cups gluten free all-purpose flour 1:1 blend: use a blend that contains xanthan gum for the best rise and texture
- 3/4 cup granulated sugar: plain white sugar works best; do not swap with liquid sweeteners
- 1 tablespoon baking powder: check that it’s fresh so your muffins dome up tall
- 1/2 teaspoon salt
- 1 large egg: room temperature, beaten
- 3/4 cup whole milk: room temperature; 2% or unsweetened almond milk works too
- 1/3 cup unsalted butter, melted and cooled slightly
- 1/2 cup full-fat sour cream: room temperature; plain whole-milk Greek yogurt can sub in
- 1 teaspoon vanilla extract
- 1 1/2 cups fresh blueberries: frozen blueberries work without thawing, but the batter may turn a little purple
Variations / Substitutions
- Dairy-free: use melted coconut oil in place of butter, unsweetened almond milk for the milk, and a thick plant-based yogurt for the sour cream. The texture will be a bit less rich but still tender.
- Lemon blueberry: add 1 teaspoon finely grated lemon zest to the wet ingredients and swap the vanilla for an extra 1/2 teaspoon of zest.
- Streusel topping: mix 2 tablespoons cold butter, 3 tablespoons gluten free flour, and 2 tablespoons brown sugar with your fingers until crumbly, then sprinkle over the batter before baking.
If you want a chocolate version, our Double Chocolate Gluten Free Muffins hit the same spot.
How to Make Gluten Free Blueberry Muffins
Step 1: Mix the Dry Ingredients

Preheat the oven to 400°F (200°C) and line a 12-cup muffin tin with paper liners. In a large bowl, whisk together the 2 cups gluten free flour, 3/4 cup sugar, 1 tablespoon baking powder, and 1/2 teaspoon salt for about 30 seconds to aerate everything.
The mixture will look pale and even, with no visible lumps of baking powder. Taking that extra half minute now helps the leavening distribute evenly so every muffin rises the same.
Step 2: Whisk the Wet Ingredients

In a separate bowl, whisk the 1 large egg, 3/4 cup milk, 1/3 cup melted butter, 1/2 cup sour cream, and 1 teaspoon vanilla until the mixture is smooth, about 1 minute.
At first the sour cream might look a little streaky, but it will fully incorporate with a few more strokes. The liquid will be silky and pale yellow, which means the fat and water are properly emulsified.
Step 3: Combine the Batter

Pour the wet mixture into the dry bowl and stir with a flexible spatula just until no dry flour remains, about 15 to 20 strokes. A few small lumps are completely fine.
Overworking gluten free batter makes muffins gummy, so stop the moment the last streak of flour disappears. The batter will be thick and spoonable, not runny.
Step 4: Fold in the Blueberries

Gently fold the 1 1/2 cups blueberries into the batter with two or three turns of the spatula. Work slowly so the berries don’t break and bleed too much.
You’ll see delicate purple streaks start to appear, which looks pretty once baked. Folding gently rather than stirring hard keeps the muffins studded with whole fruit.
Step 5: Bake and Cool the Muffins

Divide the batter evenly among the 12 muffin cups, filling each about three-quarters full. Bake for 18 to 22 minutes, until the tops are deeply golden and a toothpick inserted in the center comes out with just a few moist crumbs.
Let the muffins cool in the pan on a wire rack for 5 minutes, then lift them out and cool completely on the rack. Serve them warm or at room temperature, and the tops will stay tender with a faint crackly crust.
A Few Tips for Perfect Gluten Free Muffins
- Warm your cold ingredients.: Let the egg, milk, and sour cream sit on the counter for 20 minutes before you start. Cold ingredients can make the melted butter firm up into tiny lumps, which creates a denser muffin.
- Coat the berries lightly in flour.: Reserve 1 tablespoon of the dry flour mixture and toss the blueberries in it before folding them in. This helps keep them from sinking straight to the bottom.
- Let the batter rest for 10 minutes.: After mixing, let the batter sit in the bowl before scooping. Gluten free flours hydrate more slowly, and that short rest gives you a more tender crumb.
- Use a cookie scoop for even portions.: A 1/4-cup scoop fills each muffin cup neatly and makes all twelve rise to the same height.
Bake times by pan size:
| Pan Type | Bake Time |
|---|---|
| Standard 12-cup muffin tin | 18 to 22 minutes |
| 6-cup jumbo muffin tin | 25 to 28 minutes |
| Mini muffin tin (24 cup) | 10 to 12 minutes |
Storing Leftover Muffins
- Room temperature: Store in an airtight container for up to 3 days. A folded paper towel tucked inside absorbs extra moisture and keeps the tops from getting sticky.
- Refrigerator: Keep in a sealed container for up to 5 days. The cold firms them up, but the texture stays pleasant.
- Reheating: Warm a muffin in the microwave for 15 to 20 seconds (wrap it in a paper towel), or pop it into a 300°F oven for 5 minutes to bring back that fresh-baked softness.
Frequently Asked Questions
Can I use a different gluten free flour blend?
Yes, any good quality 1:1 blend that includes xanthan gum should work. Avoid single-grain flours like straight almond or coconut flour, because they’ll change the texture drastically.
Can I make these muffins vegan?
You can, with a few swaps. Replace the egg with a flax egg (1 tablespoon flaxseed meal plus 3 tablespoons water, let sit 5 minutes), use unsweetened almond milk, melted coconut oil for the butter, and a thick dairy-free yogurt for the sour cream. The muffins will be a little less rich but still tender.
Why did my muffins come out dense?
That almost always comes down to too much flour or overmixing. Spoon the flour into the measuring cup and level it with a knife rather than scooping directly from the bag. Stir the batter only until the flour disappears, and no more.
Can I add a crumb topping?
Absolutely. Cut 2 tablespoons cold butter into 3 tablespoons gluten free flour and 2 tablespoons brown sugar until pea-sized crumbs form, then sprinkle over the batter right before baking. It adds a buttery, crunchy top.

Gluten Free Blueberry Muffins Recipe
Ingredients
Method
- Preheat oven to 400°F (200°C) and line a 12-cup muffin tin. Whisk the flour, sugar, baking powder, and salt for 30 seconds.
- In a separate bowl, whisk the egg, milk, melted butter, sour cream, and vanilla until smooth, about 1 minute.
- Pour the wet mixture into the dry and stir with a spatula just until no dry flour remains, about 15 to 20 strokes.
- Gently fold in the blueberries with two or three turns of the spatula.
- Divide batter evenly among the muffin cups and bake for 18 to 22 minutes, until golden and a toothpick comes out with a few moist crumbs. Cool in the pan for 5 minutes, then transfer to a wire rack.
