These Banana Blackberry Muffins are soft, fluffy, and topped with crisp oat streusel. It's easy to make these bakery-style muffins for busy mornings, lunchboxes, or make-ahead snacks. And the best part? You don't even need overripe bananas.
If you've tried my Banana Nut Bread Mini Muffins, these are a great nut-free option. My kids love these just as much as my moist, dairy-free Banana Carrot Muffins (which I love for sneaking in extra veggies). But if you want to switch up the berry, my Cottage Cheese Blueberry Muffins are another favorite.
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Why you'll love this recipe
- Bakery-style muffins: These banana blackberry muffins bake up tall with domed tops and a soft, fluffy center.
- No overripe bananas needed: A simple hack to boost banana sweetness. So you can make this recipe, even if your bananas are still yellow!
- No sunken berries: My easy method stops blackberries from sinking—no soggy bottoms!
- Crisp oat streusel topping: One minute to make and adds the perfect buttery crunch.
- Not too sweet: Lots of banana adds natural sweetness, so less sugar is needed.
- Quick and easy: Ready in just 30 minutes. No mixer and no blender needed.
- Freezer-friendly: Perfect for make-ahead breakfasts, snacks, or lunchboxes.
Ingredients (and substitutes)
These easy Banana Blackberry Muffins are made with simple pantry ingredients. Even better—the oat streusel uses the same ingredients as the batter, so you don't need anything extra!
Here's what you need:
- Bananas: Very ripe (black) bananas give the best flavor. But you don't need to wait—this recipe includes a quick ripening method, so yellow bananas still work well.
- Blackberries: Add juicy bursts of berry in every bite. Fresh or frozen works. Frozen berries should be added straight from the freezer (don't thaw).
- Brown Sugar: I recommend dark brown sugar for deeper flavor and color. Light brown sugar works too—the muffins will just be a bit lighter.
- Greek Yogurt: Helps create a soft, tender crumb. It also adds a subtle tang for better flavor. For best results in baking, use thick Greek yogurt without added stabilizers (like pectin), which can affect texture. Ingredients should be dairy and active cultures.
- Cinnamon: Delicious paired with banana and blackberries. It makes these muffins taste extra cozy, without being overpowering.
- Butter: Adds richness and flavor. You can use salted or unsalted butter, I've tested both.
- Oats: Quick oats meld nicely into these muffins. On the other hand, my Banana Cottage Cheese Muffins call for rolled oats, specifically for a more chewy texture.
Find the recipe card below for the complete recipe, including all ingredients and instructions.
Want more baking recipes for bananas? Try Banana Walnut Cake, Banana Carrot Muffins, or Chocolate Banana Coffee Cake.
How to make Banana Blackberry Muffins
A few simple techniques make it easy to bake tall, bakery-style muffins at home.
Here's how to make them:
1. If your bananas aren't ripe, mash them with the eggs. Set aside to quickly ripen.
2. Add dry ingredients to wet. Stir just until combined. (Don't overmix).
3. Scoop about 2 tablespoons of plain batter to each muffin cup. (This keeps the berries from sinking).
4. Add blackberries to remaining batter and stir once to mix. Fill muffin cups until heaping.
5. Sprinkle oat streusel over the tops of the muffins.
6. Bake muffins until golden brown, domed, and cooked through. Let cool.
Find the recipe card below for the complete recipe, including all ingredients and instructions.
Tips
Here are my top tips for soft, tender blackberry and banana muffins:
- Use very ripe bananas (if possible): I like to keep overripe (black) bananas in the freezer, so they're ready whenever a baking craving hits.
- No overripe bananas? No problem: If yours are still yellow, use the Quick Ripening method, It works really well to boost sweetness and flavor.
- Start with high heat: Bake muffins at 425℉ first to help create tall, domed muffin tops. Then reduce to 350℉ to finish baking. I use this method in many of my muffin recipes—including in my cookbook.
- No flour tossing needed: Unlike frozen blueberries, frozen blackberries don't bleed much. I tested with and without flour—and it's not needed here.
- Fill cups generously: Heaping the batter helps to create tall muffins. Don't worry—the thick batter will hold when mounded.
- Let muffins cool: It's tempting to dig in right away, but cooling helps the crumb set properly for the best texture.
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Recipe FAQs
No. You can use the Quick Ripening method outlined in this recipe, if your bananas aren't fully ripe.
Yes. Add them straight from the freezer—don't thaw.
The initial high heat (425℉) helps the muffins rise quickly and develop taller tops. Then, finishing at a lower temperature (350℉) helps them cook through without overcooking.
Yes. Freeze for up to 3 months and thaw as needed. You can thaw these muffins on the counter at room temperature or in the fridge overnight.
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📖 Recipe
Banana Blackberry Muffins
Ingredients
- 1⅓ cup mashed ripe banana (see note 1)
- 2 large eggs
- ⅔ cup packed dark brown sugar (see note 2)
- 6 tablespoons melted butter (see note 3)
- ½ cup plain Greek yogurt (see note 4)
- 2 teaspoons vanilla extract
- 1½ cups all-purpose flour
- ½ cup quick oats
- 1½ teaspoon cinnamon
- 1 teaspoon baking powder
- 1 teaspoon baking soda
- ½ teaspoon fine sea salt
- 1 cup blackberries (fresh or frozen, see note 5)
Streusel Topping
- 2 tablespoons all-purpose flour
- 1 tablespoon packed dark brown sugar
- 1 tablespoon quick oats
- 2 teaspoons melted butter (see note 3)
Instructions
- Quick Ripen Bananas [optional]: If your bananas aren't overripe—In a large bowl, mix 1⅓ cup mashed ripe banana and 2 large eggs. Cover and let sit for 45-90 minutes (see note 6).
- Preheat: Preheat oven to 425℉ (177℃). Line a muffin pan with baking cups.
- Streusel: In a small bowl, stir 2 tablespoons all-purpose flour, 1 tablespoon packed dark brown sugar, 1 tablespoon quick oats, and 2 teaspoons melted butter with a fork until crumbly. Set aside.
- Wet ingredients: In a large bowl, combine 1⅓ cup mashed ripe banana and 2 large eggs (or, use the Quick Ripen Banana mixture). Add ⅔ cup packed dark brown sugar, 6 tablespoons melted butter, ½ cup plain Greek yogurt, and 2 teaspoons vanilla extract. Mix until smooth.
- Dry ingredients: In a medium bowl, whisk 1½ cups all-purpose flour, ½ cup quick oats, 1½ teaspoon cinnamon, 1 teaspoon baking powder, 1 teaspoon baking soda, and ½ teaspoon fine sea salt.
- Combine & Scoop: Add dry ingredients to wet. Stir until just combined. Scoop about 2 tablespoons plain batter into each of 12 muffin cups (see note 7). Add 1 cup blackberries to the bowl of remaining batter and stir once. (Don't overmix). Divide this blackberry batter between cups, filling until heaping. Sprinkle Streusel on top.
- Bake: Bake at 425℉ (220℃) for 5 minutes. Without opening the oven, reduce heat to 350℉ (177℃) and bake until golden and a toothpick comes out clean, about 15 minutes more. (Total baking time about 20 minutes). Cool in the pan for 10 minutes, then transfer to a wire rack to cool completely.
Notes
- Bananas: About 3 to 4 bananas. Very ripe (black) bananas give the best flavor. Otherwise, use the Quick Ripening Method in step 1.
- Brown Sugar: Dark brown sugar adds a slightly deeper flavor and color. You can substitute light brown sugar if needed. The muffins will turn out slightly lighter than the ones photographed.
- Butter: Either salted or unsalted butter works—I've tested both.
- Blackberries: Fresh or frozen blackberries work. Add frozen blackberries straight from the freezer (don't thaw). They don't tend to bleed much, so no need to toss in flour (unlike blueberries).
- Greek Yogurt: Some yogurts have added stabilizers, like pectin, which can create inconsistent results when baking. It's best to use an authentic Greek-style plain yogurt, like Siggi's, which is made with just milk and active cultures.
- Quick Ripening Method: The amylase in egg yolk helps break down banana starches into sugar. Measure the mashed banana first, then mix with the eggs. Let sit 45 minutes (spotty bananas) or up to 90 minutes (yellow bananas).
- Measure by Weight, if possible: For best results, weigh ingredients—especially flour. (Select “Metric” on the recipe card for ingredients by weight). No scale? Spoon flour into the cup and level off with back of a knife (scooping packs in too much flour and can make muffins dry).
- Storage tips: Store in an airtight container at room temperature for 3 to 4 days, or freezer for up to 3 months. Thaw at room temp or in the fridge.
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