Moist Blueberry Banana Muffins with Brown Sugar Crumble

You will fall in love with these Blueberry banana muffins

If you can’t resist a tall golden-domed muffin from the bakery, these will win you over. They’re affordable (especially in blueberry season), quick to make, not overly sweet, and freeze well. Each bite gives juicy blueberries that become almost jam-like inside the muffin.

You can also use frozen blueberries when fresh aren’t available. Frozen berries may change the muffins’ appearance slightly, but the flavor and texture remain satisfying.

Secret to Tall Bakery Style Muffins

Muffins aren’t cupcakes, but they can still be moist and tender. Two key ingredients for tall, soft muffins are Greek yogurt (or sour cream) and baking soda. The acid in the yogurt helps activate baking soda, producing lift and a light crumb.

After mixing the batter, let it rest for 7–8 minutes. This short rest allows the baking soda and yogurt to react, making the batter airier and helping the muffins rise taller. In tests, muffins baked after the rest were noticeably higher than those baked immediately.

To encourage a tall dome, use tall muffin liners and fill them slightly above three-quarters full. The extra liner height helps contain the batter as it rises so it doesn’t overflow, producing bakery-style muffins.

Ingredients

• Banana – 3 large very ripe bananas with brown spots; they mash easily and add natural sweetness.
• Blueberries – 1 cup fresh, preferably small or medium for even distribution (frozen can be used without thawing).
• Greek yogurt – 1/3 cup full-fat Greek yogurt or substitute sour cream.
• Egg – 1 large egg.
• Butter – 1/3 cup melted and cooled.
• Sugar – 1 cup granulated sugar (if using light brown sugar, you may prefer slightly more).
• Baking powder and baking soda – for lift.
• Vanilla extract – 1 teaspoon for flavor.
• Salt – a pinch to enhance sweetness and balance flavors.

Variation

Add a teaspoon of lemon zest or 1/2 teaspoon of cinnamon for a subtle flavor twist—lemon pairs particularly well with blueberry.

Step by step – How to make Banana muffin with Blueberries

This is a one-bowl recipe that requires only a spatula for mixing.

• Step 1 – Preheat the oven to 350°F (175°C). Grease a muffin tin or line with tall paper liners.
• Step 2 – Sift together the dry ingredients: flour, baking powder, baking soda, and salt. Set aside.
• Step 3 – Mash ripe bananas in a bowl with a fork until mostly smooth; small chunks are fine.
• Step 4 – Add the sugar to the mashed bananas and mash a little more. Stir in the egg, vanilla, melted butter, and Greek yogurt until combined.
• Step 5 – Fold in the dry ingredients along with the blueberries using a spatula. Mix just until no dry streaks remain—do not overmix.
• Step 6 – Let the batter rest for 7–8 minutes to allow the baking soda and yogurt to react; the batter will get slightly puffier.
• Step 7 – Fill muffin cups to about 3/4 full (a little higher if using tall liners). Bake for 15–20 minutes or until a toothpick inserted near the center comes out clean or with a few moist crumbs.

Best Muffin Baking Tips

• Use very ripe bananas with brown patches for the best flavor and texture.
• Choose small or medium blueberries so they distribute evenly through the batter.
• Use tall muffin liners and fill slightly above three-quarters to encourage tall domes without overflow.
• If using frozen blueberries, do not thaw them to avoid bleeding into the batter.
• Remove muffins from the tin promptly and cool on a wire rack; leaving them in the pan will trap steam and make the tops soggy.
• Allow muffins to cool at least 15 minutes before peeling liners for a clean removal.

Storing the muffins

Store muffins in an airtight container at room temperature for up to 4 days. The tops may soften slightly compared to when they’re freshly baked; lining the container with a paper towel can help absorb excess moisture.

Freezing

To freeze, wrap each muffin individually in a double layer of parchment or plastic wrap and store in a freezer bag for up to 3 months. Thaw at room temperature or briefly warm in the oven.

More muffin recipes

• Moist blueberry muffins
• Cornbread muffins with cranberry jam
• Cinnamon apple muffins