Jumbo Blueberry Muffins are the kind of muffin I actually want to bake at home: tall domed tops, big juicy berries, and a soft crumb that still feels substantial. They’re generous and bakery-style in the best, straightforward way.
This version has a buttermilk-and-sour-cream batter that bakes up tender and moist, and I like the way the berries stay suspended instead of sinking. The coarse sugar on top is simple, but it gives that crisp crackly finish that makes a jumbo muffin worth it.
I make these when I want a real breakfast muffin that holds up with coffee, or when I need something easy to set out for a weekend brunch. They’re also a solid bake sale option because they look impressive without needing frosting or glaze.
Why You’ll Love This Recipe
Big bakery tops: Starting hot helps you get that tall, rounded dome that makes jumbo muffins look like they came from a bakery case.
Moist for days: The buttermilk and sour cream (or Greek yogurt) keep the crumb tender, not dry or crumbly.
Lots of berries: You get plenty of blueberries in each muffin, not just a few scattered bites.
No fussy mixing: This batter comes together fast, and you don’t need a mixer.
Crunchy sugar cap: A sprinkle of coarse sugar adds a crisp top that’s especially nice on a thick muffin.
Ingredients You’ll Need
Dry
- All purpose flour: I use regular AP flour here. It gives the muffins enough structure to rise tall without getting bready.
- Baking powder: Don’t skip it—this is a big part of that high rise in a jumbo pan.
- Baking soda: This works with the buttermilk and sour cream to help the muffins lift and brown nicely.
- Fine salt: It keeps the muffins from tasting flat, especially with sweet berries.
- Granulated sugar: This is the main sweetness and helps the tops brown.
- Light brown sugar: I like a little brown sugar here for a softer texture and a slightly warmer flavor. Dark brown sugar works too.
Wet
- Eggs: Use large eggs. They help the muffins hold their shape and keep the crumb tender.
- Buttermilk: Real buttermilk is my preference, but the quick milk-and-lemon swap works fine when that’s what you’ve got.
- Sour cream or plain Greek yogurt: This is what makes the muffins feel rich and stay moist. Full-fat is best, but low-fat will still work.
- Unsalted butter: Melted butter gives a classic muffin flavor. Let it cool a bit so it doesn’t scramble the eggs.
- Vanilla extract: Just enough to round out the flavor and make the batter taste “muffin-y.”
Add ins and Topping
- Blueberries: Fresh is great, but frozen works really well here too and tends to bleed less if you keep them frozen until mixing.
- Flour (for tossing blueberries): A little flour helps the berries stay suspended instead of sinking straight to the bottom.
- Coarse sugar: This is optional, but I really like the crunch on top. Turbinado sugar is perfect.
Recipe Instructions
- Preheat the oven: Heat the oven to 425°F. Grease a jumbo 6-cup muffin pan or line it with jumbo liners.
- Mix the dry ingredients: Whisk the flour, baking powder, baking soda, salt, granulated sugar, and brown sugar together in a large bowl.
- Mix the wet ingredients: In a separate bowl, whisk the eggs, buttermilk, sour cream (or Greek yogurt), melted cooled butter, and vanilla until smooth.
- Combine the batter: Add the wet mixture to the dry mixture and fold just until the flour is mostly combined. Stop as soon as you don’t see big streaks of dry flour.
- Add the blueberries: Toss the blueberries with 1 tablespoon of flour, then gently fold them into the batter.
- Rest the batter: Let the batter rest for 10 minutes. This helps the muffins rise higher in the oven.
- Fill the pan: Divide the batter evenly between the jumbo cups, filling each one nearly to the top. Sprinkle coarse sugar over the tops.
- Bake: Bake for 5 minutes at 425°F, then reduce the oven to 350°F without opening the door. Bake for 18 to 22 minutes, until the tops are set and a toothpick comes out clean or with a few moist crumbs.
- Cool: Cool the muffins in the pan for 10 minutes, then transfer to a rack to cool.
Some of my tips!
This is the part that really makes a difference. If you only read one section, make it this one because this is where I share the little trick that helps the recipe turn out so well.
Recipe Tips & Tricks
Don’t overmix the batter. Fold just until the flour is mostly combined. If you keep going, jumbo muffins can turn dense fast.
Use frozen blueberries if you want cleaner streaks. Add them straight from the freezer so they don’t bleed as much into the batter while you’re mixing.
Let the batter rest for the full 10 minutes. It sounds small, but it helps the batter thicken a bit and gives you a higher rise.
Fill the jumbo cups almost to the top. Jumbo muffins need that extra batter to get the tall dome instead of a flat top.
Add lemon zest if you like a brighter muffin. I usually do about a teaspoon, and it makes the blueberry flavor pop without turning the muffins into “lemon muffins.”
Make some touches!
There are plenty of easy ways to serve this depending on the occasion. Keep it simple, or add a few small touches to make it feel a little more special.
Serving Suggestions
- Coffee or espresso: These are really good with coffee, especially because the muffins are big and not delicate. I like them with a strong black coffee or a latte.
- Yogurt: Serve a muffin with a bowl of plain Greek yogurt (or vanilla) and a drizzle of honey. It turns it into an easy breakfast plate.
- Fruit: If you’re setting out brunch, add fresh berries or sliced peaches on the side. It keeps things simple and fresh.
- Butter: If you’re serving them warm, a little salted butter on the side is classic. It melts right in and tastes great with blueberries.
Save it for later
This section covers how to store leftovers and what parts of the recipe you can prepare ahead of time.
Storage and Make Ahead
Store the muffins airtight at room temperature for 2 days. I like using a container with a tight lid so the tops don’t dry out.
If you want them to last longer, freeze the muffins up to 2 months. Let them cool completely first, then wrap individually so they don’t pick up freezer smells.
To serve, thaw at room temperature or warm one briefly in the microwave. If you want the top to feel less soft, a few minutes in a 300°F oven helps.
A few quick answers
This section covers a few extra details that may help before you head to the recipe card.
Recipe FAQs
Can I use frozen blueberries?
Yes. Use them straight from the freezer and fold them in gently. Frozen berries usually bleed less into the batter when you don’t let them thaw first.
What can I use instead of buttermilk?
You can mix 1 cup milk with 1 tablespoon lemon juice and let it sit for about 5 minutes, then use it like buttermilk. I’ve done this plenty of times and it works well in muffins.
How do I know when jumbo muffins are done?
The tops should look set and no longer wet, and a toothpick should come out clean or with a few moist crumbs. If the toothpick hits a blueberry, test a different spot so you’re not fooled by berry juice.
Why did my muffins turn out dense?
The most common reason is overmixing after the wet and dry ingredients come together. Stirring too much develops the gluten and makes muffins heavy instead of tender.
Can I add lemon flavor to these?
Yes—lemon zest is the easiest way. I like about 1 teaspoon in the batter, and it gives a brighter blueberry flavor without changing the muffin vibe too much.
You might also like
Before you go, take a look at a few other recipes below the recipe card. They use similar ingredients in a different way and are worth saving too.
MORE DINNER RECIPES TO TRY
Jumbo Blueberry Muffins
INGREDIENTS
Dry
- 3 cups all purpose flour
- 1 tbsp baking powder
- 1/2 tsp baking soda
- 1 tsp fine salt
- 1 cup granulated sugar
- 1/4 cup light brown sugar.
Wet
- 2 large eggs
- 1 cup buttermilk
- 1/2 cup sour cream or plain Greek yogurt
- 1/2 cup unsalted butter melted and cooled
- 2 tsp vanilla extract.
Add ins and Topping
- 2 cups blueberries fresh
- 1 tbsp all purpose flour for tossing blueberries
- coarse sugar for topping.
INSTRUCTIONS
Mix Batter
- heat oven to 425 F and grease a jumbo 6 cup muffin pan or line with jumbo liners
- whisk dry ingredients in a large bowl
- whisk wet ingredients in a separate bowl until smooth
- add wet to dry and fold just until flour is mostly combined
- toss blueberries with 1 tbsp flour then gently fold into batter and rest batter 10 minutes for a higher rise.
Bake and Cool
- divide batter evenly into jumbo cups filling nearly to the top and sprinkle coarse sugar
- bake 5 minutes at 425 F then reduce oven to 350 F without opening the door and bake 18 to 22 minutes until tops are set and a toothpick comes out clean or with a few moist crumbs
- cool in pan 10 minutes then transfer to a rack to cool.
