This Jumbo Blueberry Loaf is a moist, tender loaf cake with a soft crumb and plenty of juicy blueberries throughout. It’s the kind of slice I like for an easy breakfast, an afternoon snack, or a simple dessert.
What makes this version stand out for me is the combo of sour cream (or Greek yogurt) and a simple vanilla batter, which keeps it rich and plush without getting heavy. A little lemon zest is optional, but I really like what it does with blueberries.
I usually serve it just as-is, sometimes with an extra handful of berries on the side. It also holds up well for slicing, so it’s nice when you want something you can cut cleanly and set out on a plate.
Why You’ll Love This Recipe
Moist and tender: The crumb stays soft for days, thanks to the butter plus sour cream (or yogurt). It tastes like a real loaf cake, not a dry quick bread.
Big blueberry payoff: You get lots of berries in each slice, and tossing them with flour helps keep them from sinking all to the bottom.
No mixer needed: This is a simple whisk-and-fold batter. I like recipes that don’t require hauling out extra equipment.
Freezer-friendly slices: It freezes well, so you can stash a few slices for quick breakfasts or snacks.
Easy flavor tweaks: Add lemon zest, a pinch of cinnamon, or leave it classic vanilla. It’s a flexible base that still feels reliable.
Ingredients You’ll Need
Dry
- All-purpose flour: I use regular flour here. It gives the loaf structure but still keeps the crumb tender.
- Baking powder: This is what gives the loaf its lift. Make sure yours is fresh so the center doesn’t bake up heavy.
- Fine salt: Don’t skip it. It keeps the loaf from tasting flat and makes the blueberries taste more “blueberry.”
Wet
- Granulated sugar: Plain white sugar keeps the flavor clean and classic. Brown sugar works, but it changes the texture and makes it a little more dense.
- Unsalted butter: Melted butter keeps this easy, and I like the richer flavor compared to oil. Let it cool a bit so it doesn’t scramble the eggs.
- Eggs: Use large eggs if you can. They help the loaf set and slice neatly.
- Milk: Any milk you normally bake with is fine here. Whole milk gives a slightly richer crumb, but low-fat works too.
- Sour cream or plain Greek yogurt: This is the secret to that moist, cake-like texture. I use full-fat when I have it, but whatever you’ve got usually works.
- Vanilla extract: I like a real vanilla extract here. It makes the loaf taste more like cake than “muffin.”
- Lemon zest (optional): A little zest makes the whole loaf taste brighter. I keep it light so it doesn’t turn into a lemon loaf.
Add-ins and topping
- Blueberries: Fresh or frozen both work. If you’re using frozen, keep them frozen until you fold them in so the batter doesn’t turn purple.
- All-purpose flour (for tossing berries): This helps the blueberries stay suspended in the batter and cuts down on streaking.
- Coarse sugar (optional): This gives the top a little crunch and sparkle. I use it when I want the loaf to look a bit more finished.
Recipe Instructions
- Preheat the oven: Heat the oven to 350°F. Grease a 9×5-inch loaf pan and line it with parchment, leaving some overhang so you can lift the loaf out later. If using frozen blueberries, keep them in the freezer for now.
- Mix the dry ingredients: Whisk the flour, baking powder, and salt together in a medium bowl, then set it aside.
- Mix the wet ingredients: In a second bowl, whisk the sugar, melted (cooled) butter, eggs, milk, sour cream (or Greek yogurt), vanilla, and lemon zest (if using) until smooth.
- Add the dry ingredients: Fold the dry mixture into the wet mixture just until you don’t see dry flour anymore. Stop as soon as it comes together.
- Add the blueberries: Toss the blueberries with 1 tablespoon of flour, then gently fold them into the batter.
- Fill the pan: Scrape the batter into the prepared loaf pan and level the top. Sprinkle with coarse sugar if you’re using it.
- Bake: Bake for about 60 to 75 minutes, until the loaf is deep golden and a toothpick comes out clean or with a few moist crumbs. The internal temperature should be around 200°F. If the top is browning too quickly, tent it loosely with foil.
- Cool: Cool in the pan for 15 minutes, then lift the loaf out using the parchment and cool completely on a rack before slicing.
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 once the flour goes in. Stirring too much is what makes quick breads turn tough. I fold just until the last streaks of flour disappear.
Keep frozen blueberries frozen. If they thaw, they bleed a lot more into the batter and you can end up with grayish-purple streaks.
Use parchment with an overhang. Loaf pans love to hang onto the corners. The parchment makes it easy to lift the whole thing out without fighting it.
Toss the berries with flour first. It’s a small step, but it really does help keep the blueberries more evenly distributed through the loaf.
Check the center with a thermometer if you have one. Around 200°F in the middle is a good target for a loaf like this, especially since blueberries can fool the toothpick test.
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: This loaf is really nice with a mug of coffee or a strong black tea. I like it best when the slice is room temp and the drink is hot.
- Whipped cream: If you’re serving it as dessert, add a small spoonful of lightly sweetened whipped cream. It’s simple and doesn’t distract from the blueberries.
- Lemon curd: A thin swipe of lemon curd on the side tastes great with the vanilla batter and berries. I don’t pile it on—just a little.
- Extra berries: Fresh blueberries (or a quick berry salad) on the plate makes it feel a bit more special. This is especially nice if your loaf is your “dessert but not too fussy” option.
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 loaf wrapped at room temperature for up to 2 days. I wrap it tightly once it’s fully cool so the cut edges don’t dry out. If your kitchen runs warm, the fridge is fine too.
Refrigerate for up to 5 days if you want it to last longer. The crumb firms up a bit when chilled, so I usually let slices sit out for 10 to 15 minutes before eating.
If you want to keep it longer, freeze individual slices so you can grab one at a time. Wrap them well, then thaw at room temp or in the fridge overnight.
I also like freezing the loaf already sliced. It makes weekday breakfasts easier and you don’t have to thaw the whole thing.
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. Keep them frozen until you’re ready to toss them with flour and fold them into the batter. If they thaw first, they’ll bleed more and can streak the loaf.
Why did my blueberries sink to the bottom?
This can happen if the batter is overmixed or if the berries are very wet. Tossing the blueberries with a little flour helps, and a thicker batter (from not overmixing) suspends them better.
How do I know when the loaf is done?
A toothpick should come out clean or with a few moist crumbs (not wet batter). If you have a thermometer, I find it easiest to aim for about 200°F in the center.
Can I swap sour cream for Greek yogurt?
Definitely. Plain Greek yogurt is a straightforward swap and gives a similar tang and moisture. I usually use whichever one I already have open.
Can I add lemon or spices?
Yes—lemon zest is great with blueberries. A small pinch of cinnamon also works if you want a warmer flavor, but I keep it light so it doesn’t overpower the berries.
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
- 1/2 tsp fine salt.
Wet
- 1 cup granulated sugar
- 1/2 cup unsalted butter melted and cooled
- 2 large eggs
- 3/4 cup milk
- 1/4 cup sour cream or plain Greek yogurt
- 2 tsp vanilla extract
- lemon zest to taste optional.
Add ins and topping
- 2 cups blueberries fresh or frozen
- 1 tbsp all purpose flour for tossing blueberries
- 1 tbsp coarse sugar optional.
INSTRUCTIONS
Prep
- Heat oven to 350 F
- grease and line a 9x5 inch loaf pan with parchment leaving overhang
- if using frozen blueberries keep frozen until needed.
Mix and bake
- Whisk flour baking powder and salt in a bowl
- whisk sugar butter eggs milk sour cream and vanilla in a second bowl until smooth
- fold dry into wet just until no dry flour remains
- toss blueberries with 1 tbsp flour then gently fold into batter
- scrape batter into pan and level the top
- sprinkle coarse sugar if using
- bake until deep golden and a toothpick comes out clean or with a few moist crumbs and internal temperature is about 200 F
- about 60 to 75 minutes
- tent loosely with foil if browning early.
Cool and serve
- Cool in pan 15 minutes then lift out and cool completely on a rack before slicing for clean slices.
