Jumbo Blueberry Loaf is the kind of quick bread I make when I want a moist slice that actually feels special, not dry or bland. It has a tender crumb and plenty of blueberries, so each slice tastes like real blueberry bread, not just “vanilla loaf with a few berries.”
My take leans into a simple, classic flavor with buttermilk for richness and a light vanilla base. I also like a little lemon zest here when I have it, because it makes the blueberries pop without turning the loaf into a lemon cake.
I usually serve this as a weekend breakfast slice, or as a snack loaf to keep on the counter for a couple days. It’s also really nice with tea, and it’s easy to dress up with a quick lemon glaze if you want it a little sweeter.
Why You’ll Love This Recipe
Moist crumb: Buttermilk and butter make this loaf soft and tender, even the next day.
Big blueberry bites: You get real bursts of blueberries throughout, not just a ribbon at the bottom.
No mixer needed: This is all whisk-and-fold, which is how I like quick breads to be.
Reliable bake: It bakes up tall and sturdy, so you can actually slice it cleanly.
Easy finish: Leave it plain, add coarse sugar on top, or drizzle on a lemon glaze depending on what you’re in the mood for.
Ingredients You’ll Need
Dry
- All-purpose flour: I use regular flour here. Spoon and level if you tend to over-pack your measuring cup, because extra flour can make the loaf dry.
- Baking powder: This is what gives the loaf its lift. Make sure it’s not expired.
- Fine salt: Don’t skip it. It keeps the loaf from tasting flat and helps the blueberries taste more “blueberry.”
- Flour (for tossing blueberries): A quick toss helps keep the berries from sinking and also cuts down on the purple streaks.
Wet
- Unsalted butter: Melted butter gives a really nice, even crumb. I let it cool a bit so it doesn’t shock the eggs.
- Granulated sugar: Keeps the loaf sweet and classic. I wouldn’t cut it too much or the texture changes.
- Eggs: Use large eggs. They help the loaf hold together and stay tender.
- Buttermilk: This is the softness factor for me. If you don’t have it, the milk + lemon juice swap works well.
- Vanilla extract: Simple but important here. It rounds out the flavor and makes the loaf taste like “real” blueberry bread.
- Lemon zest (optional): I like it when I want a brighter loaf. It doesn’t make it sour, it just lifts the flavor.
Add-ins and Finish
- Blueberries: Fresh or frozen both work. If you’re using frozen, don’t thaw them or they’ll bleed a lot more into the batter.
- Coarse sugar (optional): Adds a little crunch on top and looks nice. Totally optional.
- Lemon glaze (optional): If you want a sweeter finish, a quick glaze is great once the loaf is fully cool.
Recipe Instructions
- Preheat the oven: Heat the oven to 350°F. Grease a 9×5-inch loaf pan and line it with parchment paper, leaving some overhang so you can lift the loaf out later.
- Mix the dry ingredients: Whisk the flour, baking powder, and salt together in a medium bowl.
- Coat the blueberries: Toss the blueberries with a little flour until they’re lightly coated, then set them aside.
- Mix the butter and sugar: In a large bowl, whisk the melted (cooled) butter and sugar together until well combined.
- Add the eggs: Whisk in the eggs one at a time, mixing until the batter looks smooth after each addition.
- Add the buttermilk: Whisk in the buttermilk, vanilla, and lemon zest (if using).
- Add the dry ingredients: Fold the dry ingredients into the wet ingredients just until you don’t see dry flour anymore.
- Fold in the blueberries: Gently fold in the blueberries, trying not to crush them.
- Fill the pan: Scrape the batter into the prepared pan and level the top. Sprinkle with coarse sugar if you’re using it.
- Bake: Bake for about 60 to 70 minutes, until the loaf is deep golden and a toothpick inserted in the center comes out clean or with a few moist crumbs. If the top is browning too fast, tent it loosely with foil.
- Cool: Cool in the pan for 15 minutes, then lift the loaf out using the parchment and cool completely before slicing. Glaze only after it’s fully cool, if you’re adding one.
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. Once the flour goes in, mix just until you stop seeing dry streaks. Overmixing is what turns quick bread chewy and a little tough.
Toss the berries in flour. It’s a small step, but it helps keep blueberries from sinking and keeps the batter from going too purple.
Use frozen berries straight from the freezer. If you thaw them first, they’ll leak a lot of juice and stain the loaf more. Frozen is totally fine here—just keep them frozen.
Tent with foil if the top gets dark. Ovens vary, and this loaf bakes for a while. A loose foil tent saves the top while the center finishes.
Let it cool all the way before slicing. Warm quick bread can crumble and feel gummy in the middle. It slices much cleaner once it’s completely cool.
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 tea: A slice with black coffee or a simple cup of tea is my usual. It’s especially good if you add the lemon zest to the loaf.
- Butter: Warm a slice for a few seconds and spread on salted butter. It’s simple, but it’s the best way to eat it for breakfast.
- Lemon glaze: If you want it more dessert-like, drizzle with a thin lemon glaze once the loaf is cool. It also looks nice if you’re serving it to company.
- Extra berries: Serve with a small bowl of fresh blueberries (or mixed berries) on the side. This is a nice way to make the plate feel a little more complete.
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 it airtight at room temperature for up to 3 days. I keep it tightly wrapped or in a container so the cut sides don’t dry out.
If you want to make this ahead, bake the loaf the day before and glaze it right before serving (or skip the glaze and keep it simple). The flavor is actually really nice the next day.
For longer storage, freeze sliced pieces up to 2 months. I like slicing first so I can grab one piece at a time.
Thaw at room temperature or in the fridge, then warm a slice briefly if you like it a little soft. It’s still great un-warmed too.
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 don’t thaw first. Thawed berries leak more juice and can make the batter turn purple.
What can I use instead of buttermilk?
You can mix regular milk with lemon juice. For this loaf, stir 1 tablespoon lemon juice into 3/4 cup milk and let it sit for about 5 minutes, then use it like buttermilk.
How do I know when the loaf is done?
Look for a deep golden top and a toothpick inserted in the center coming out clean or with a few moist crumbs. If you’re getting wet batter, keep baking and check again in a few minutes.
Why did my blueberries sink?
It can happen if the berries are very large or if the batter gets overmixed and thins out. Tossing the blueberries in flour helps, and gently folding them in at the end makes a difference too.
Can I add lemon glaze?
Definitely. I wait until the loaf is completely cool, then drizzle the glaze over the top so it sets instead of soaking in and turning sticky.
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 Loaf
INGREDIENTS
Dry
- 2 cups all purpose flour
- 2 tsp baking powder
- ½ tsp fine salt
- 1 tbsp all purpose flour for tossing blueberries.
Wet
- ½ cup unsalted butter melted and cooled
- 1 cup granulated sugar
- 2 large eggs
- ¾ cup buttermilk
- 1 tsp vanilla extract
- 1 tbsp lemon zest optional.
Add ins and Finish
- 1.5 cups blueberries fresh or frozen
- coarse sugar for topping optional
- lemon glaze optional.
INSTRUCTIONS
Prep
- Heat oven to 350 F
- grease a 9x5 inch loaf pan and line with parchment leaving overhang
- whisk 2 cups flour with baking powder and salt in a bowl
- toss blueberries with 1 tbsp flour and set aside.
Mix and Bake
- Whisk melted butter with sugar then whisk in eggs one at a time
- whisk in buttermilk vanilla and lemon zest
- fold dry ingredients into wet just until no dry streaks remain
- fold in blueberries gently
- scrape batter into pan and level top then add coarse sugar if using
- bake until deep golden and a toothpick in the center comes out clean or with a few moist crumbs about 60 to 70 minutes
- cool in pan 15 minutes then lift out and cool completely before slicing and glazing if using.
