If you have a few overripe bananas sitting on your counter, you have the start of something truly special. Banana donuts are a wonderful way to enjoy the classic flavors of banana bread in a fun, circular shape that is perfect for a quick snack or a cozy morning treat. These donuts are baked rather than fried, which makes the process much simpler and keeps the kitchen clean.
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The highlight of this recipe is the combination of a soft, spiced banana base and a rich, sweet brown sugar glaze. The glaze adds a slight crunch and a deep caramel-like flavor that pairs perfectly with the natural sweetness of the fruit. Whether you are a beginner in the kitchen or an experienced baker, these treats are straightforward to make and yield professional-looking results every time.
Choosing the right fruit is the secret to success here. You want bananas that are heavily spotted with brown or even mostly brown. These are softer, easier to mash, and significantly sweeter than yellow ones. When they are combined with a hint of cinnamon and a touch of vanilla, the result is a fragrant, tender donut that stays moist for days.
Essential Ingredients and Tools
To get the best results, it is helpful to have all your items measured and ready before you begin. Using ingredients at room temperature ensures they mix together smoothly without overworking the batter.

For the Donut Batter
- All-purpose flour: 1 ⅔ cups
- Ground cinnamon: 3/4 tsp
- Baking powder: ¾ teaspoon
- Baking soda: ¼ teaspoon
- Fine sea salt: ¼ teaspoon
- Buttermilk: ¾ cup (room temperature)
- Unsalted butter: 4 tbsp (melted)
- Mashed ripe banana: ½ cup
- Granulated sugar: ¼ cup
- Dark brown sugar: ¼ cup (packed)
- Sour cream: 2 tbsp (room temperature)
- Canola oil: 2 tbsp
- Vanilla extract: 2 teaspoons
For the Brown Sugar Glaze
- Brown sugar: 1/2 cup
- Unsalted butter: 4 tbsp
- Milk: 2 ½ tbsp
- Powdered sugar: 1 cup
- Vanilla extract: 2 tsp
For the Caramelized Bananas (Optional Topping)
- Unsalted butter: ½ tbsp
- Dark brown sugar: 2 tbsp (packed)
- Ground cinnamon: ¼ tsp
- Fresh bananas: 1-2 medium (sliced into ½ inch pieces)
Necessary Equipment
- Donut Pan: A standard 6-cavity or 12-cavity non-stick donut pan.
- Mixing Bowls: One for dry ingredients and one for wet ingredients.
- Whisk and Spatula: For combining the batter gently.
- Piping Bag: This makes filling the donut cavities much cleaner and easier.
- Wire Cooling Rack: Essential for letting the donuts cool before glazing.
Step-by-Step Cooking Instructions
Following these steps will ensure your donuts have the perfect rise and a soft, cake-like texture.
1. Prepare the Oven and Pan
Start by preheating the oven to 350°F (180°C). While the oven warms up, lightly coat your donut pan with non-stick spray or a small amount of softened butter. This ensures the donuts pop out easily after baking.
2. Mix the Dry Ingredients
In a medium-sized bowl, whisk together the all-purpose flour, cinnamon, baking powder, baking soda, and sea salt. Mixing these first helps distribute the leavening agents evenly so the donuts rise uniformly.
3. Combine the Wet Ingredients
In a separate larger bowl, whisk the melted butter, granulated sugar, and dark brown sugar together until smooth. Add in the mashed banana, buttermilk, sour cream, oil, and vanilla extract. Whisk vigorously until the mixture is well combined and the sugars have begun to dissolve.

4. Create the Batter
Pour the dry flour mixture into the bowl with the wet ingredients. Use a spatula or whisk to fold them together just until you no longer see streaks of white flour. It is important to stop as soon as it is combined; over-mixing can make the donuts tough. If the batter looks a bit like a thick cinnamon sugar donut bread recipe, you are on the right track for a soft texture.
5. Fill the Pan and Bake
Transfer the batter into a piping bag or a large zip-top bag with the corner snipped off. Pipe the batter into the prepared donut cavities, filling each one about three-quarters of the way full. Place the pan on the middle rack of the oven and bake for 11 to 12 minutes. You will know they are done when the tops spring back gently when touched.
6. Cool the Donuts
Let the donuts sit in the pan for about 5 minutes after removing them from the oven. Carefully flip the pan over onto a wire rack to release them. They must be completely cool before you apply the glaze, or the glaze will simply melt off.

7. Prepare the Brown Sugar Glaze
In a small saucepan over medium heat, combine the butter, brown sugar, and milk. Stir constantly until the butter is melted and the sugar has dissolved. Once it begins to bubble slightly, remove it from the heat and whisk in the powdered sugar and vanilla until the glaze is smooth and glossy.
8. Glaze and Serve
Dip the top of each cooled donut into the warm glaze. Place them back on the wire rack to allow the glaze to set and harden slightly. For an extra treat, you can sauté sliced bananas with a little butter, brown sugar, and cinnamon in a pan for 2 minutes per side and place them in the center of the donuts. This adds a texture similar to a blueberry cream cheese bread where the fruit becomes soft and jam-like.

Helpful Tips and Variations
- Proper Measuring: Always fluff your flour with a spoon before scooping it into a measuring cup and leveling it off. Packing the flour too tightly can lead to dry donuts.
- Banana Texture: For the best flavor distribution, mash the bananas until they are almost a liquid puree. Small lumps are fine, but large chunks can create soft spots in the donut.
- Glaze Consistency: If the glaze becomes too thick as it sits, simply whisk in a teaspoon of warm milk to thin it back out.
- Spice it up: Feel free to add a pinch of nutmeg or ground ginger to the batter for a deeper autumnal flavor profile.
- Chocolate Chip Version: If you want a bit of crunch, fold a handful of mini chocolate chips into the batter at the very end.

Storage and Serving Ideas
These donuts are best enjoyed on the day they are made, especially once the glaze has just set. However, they can be stored quite effectively if you have leftovers.
Storage: Keep the donuts in an airtight container at room temperature for up to two days. If you need to keep them longer, they can stay in the refrigerator for up to five days, though the glaze may become slightly sticky due to the moisture in the fridge.
Freezing: You can freeze the unglazed donuts for up to two months. Wrap them individually in plastic wrap and place them in a freezer bag. When ready to eat, thaw them at room temperature and apply a fresh batch of glaze.
Serving: These are perfect alongside a hot cup of coffee or a cold glass of milk. For a special breakfast, serve them slightly warmed in the microwave for 5-10 seconds to soften the crumb.
Frequently Asked Questions
1. Can I use frozen bananas for this recipe? Yes, just ensure they are completely thawed and that you include any liquid that releases during the thawing process, as that contains a lot of flavor.
2. What if I don’t have a donut pan? You can use a standard muffin tin. The baking time may increase by 3-5 minutes, and they will be “donut muffins” instead of rings.
3. Why are my donuts tough? This usually happens if the batter is mixed too much after adding the flour. Mix only until the flour disappears.
4. Can I substitute the buttermilk? Yes, you can make a quick substitute by adding 1 teaspoon of lemon juice or white vinegar to ¾ cup of regular milk and letting it sit for 5 minutes.
5. How do I know if my bananas are ripe enough? The skins should be covered in brown spots. The more brown they are, the sweeter and more fragrant the donuts will be.
6. Can I use light brown sugar instead of dark? Absolutely. Dark brown sugar has a bit more molasses flavor, but light brown sugar works perfectly well.
7. Why did my glaze turn out lumpy? Usually, this is because the powdered sugar wasn’t whisked in quickly enough or was not sifted. Whisk vigorously while the liquid mixture is still warm.
8. Can I bake these at a higher temperature? It is best to stick to 350°F. A higher temperature might brown the outside too quickly while leaving the inside underbaked.
9. Is the sour cream necessary? The sour cream adds moisture and a slight tang that balances the sweetness. Full-fat Greek yogurt is a great substitute.
10. How long does the glaze take to set? At room temperature, the glaze should firm up in about 15 to 20 minutes.
Conclusion
Banana donuts with brown sugar glaze are a delightful treat that brings a bit of warmth to any table. The soft texture and rich glaze make them a favorite for anyone who enjoys the comforting taste of baked fruit and caramel. They are simple to prepare and offer a wonderful way to reduce food waste by using up those very ripe bananas.
Taking the time to bake something special can turn an ordinary morning into a memorable one. Please consider sharing this recipe with friends and family members who enjoy spending time in the kitchen. It is a wonderful project for those looking to expand their baking skills with a reliable and delicious result.

Banana Donuts with Brown Sugar Glaze
Ingredients
- Donut Batter
- 1 ⅔ cups all-purpose flour
- 3/4 tsp ground cinnamon
- ¾ teaspoon baking powder
- ¼ teaspoon baking soda
- ¼ teaspoon fine sea salt
- ¾ cup buttermilk room temperature
- 4 tbsp unsalted butter melted
- ½ cup mashed ripe banana
- ¼ cup granulated sugar
- ¼ cup dark brown sugar packed
- 2 tbsp sour cream room temperature
- 2 tbsp canola oil
- 2 teaspoons vanilla extract
- Brown Sugar Glaze
- 1/2 cup brown sugar
- 4 tbsp unsalted butter
- 2 ½ tbsp milk
- 1 cup powdered sugar
- 2 tsp vanilla extract
Instructions
- Preheat the oven and prepare the donut pan with a light coating of non-stick spray or butter.
- Whisk the flour, cinnamon, baking powder, baking soda, and salt together in a medium bowl.
- In a larger bowl, combine the melted butter, sugars, mashed banana, buttermilk, sour cream, oil, and vanilla until smooth.
- Gently fold the dry ingredients into the wet mixture using a spatula until just combined.
- Pipe the batter into the donut pan cavities until they are about three-quarters full.
- Bake until the tops spring back when touched, then move to a wire rack to cool completely.
- Melt the glaze ingredients in a saucepan over medium heat, whisking in the powdered sugar last for a smooth finish.
- Dip the cooled donuts into the warm glaze and allow them to set before serving.
Notes
• Avoid over-mixing the batter to ensure the donuts remain soft and airy.
• If the glaze thickens too much while dipping, add a tiny splash of warm milk to restore the consistency.

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