Easy Banana Crumb Coffee Cake Recipe with Streusel
Easy Banana Crumb Coffee Cake Recipe with Streusel is a moist, tender banana coffee cake crowned by a buttery cinnamon streusel topping that stays crisp. This cake pairs ripe banana sweetness and warm cinnamon, producing a comforting, approachable dessert that performs well for brunches and snack-time treats.
For a recipe comparison and technique ideas, I sometimes reference my favorite banana recipes to refine texture and flavor balance. See an inspiring banana loaf technique at best banana bread recipe for related mixing tips and banana use.
| Prep Time | Cook Time | Total Time | Servings | Difficulty | Cuisine |
|---|---|---|---|---|---|
| 15 minutes | 35–40 minutes | 50–55 minutes | 9–12 squares | Easy | American, Baking |

Why This Recipe Works
This recipe works because the mashed ripe bananas add moisture and a natural sweetness that keeps the crumb tender while the chemical leaveners create a gentle rise. The streusel topping delivers contrast through cold butter shreds that bake into crisp, flavorful crumbs, creating a delightful texture difference between cake and topping.
I rely on tested ratios of banana, flour, and fat to maintain structure without drying out the cake, and I use simple techniques like cold butter for streusel and minimal mixing after adding flour. These deliberate choices produce a consistently moist crumb and a crunchy, golden streusel every time.

Ingredients
| Ingredient | Quantity | Notes |
|---|---|---|
| Ripe bananas, mashed | 3 medium (about 1 ½ cups) | Use very ripe bananas for best sweetness; freeze overripe ones for smoothies later |
| All-purpose flour | 2 cups (240 grams) | Sifted; spoon and level for accuracy |
| Baking powder | 2 teaspoons | Fresh for reliable rise; check expiration |
| Baking soda | ½ teaspoon | Balances acidity from bananas |
| Ground cinnamon | 1 teaspoon | Add an extra ¼ teaspoon to batter for stronger spice |
| Salt | ¼ teaspoon | Enhances sweetness and flavor |
| Unsalted butter | ½ cup (113 grams), softened | Can substitute coconut oil (dairy-free) using same volume |
| Granulated sugar | ¾ cup (150 grams) | Adjust by 1–2 tablespoons for very sweet bananas |
| Large eggs | 2 | Room temperature eggs blend better |
| Vanilla extract | 1 teaspoon | Pure vanilla adds depth; optional almond extract splash |
| Streusel flour | ½ cup (60 grams) | Part of streusel mix; use pastry flour for softer crumbs |
| Brown sugar (streusel) | ⅓ cup (70 grams) | Light or dark brown sugar works; dark gives richer molasses notes |
| Cinnamon (streusel) | ½ teaspoon | Combine with nutmeg for a warmer profile |
| Cold unsalted butter (streusel) | 4 tablespoons (57 grams), cut into chunks | Keep cold for coarse crumb; use vegan butter for dairy-free option |
Step-by-Step Instructions
Follow these instructions carefully to achieve a tender crumb and a crisp streusel topping.
Prepare
- Preheat the oven to 350°F (175°C) and grease a 9×9-inch baking pan with butter or non-stick spray.
- Line the pan with parchment paper if desired to ease removal and create straight edges.
Make Streusel
- Combine ½ cup flour, ⅓ cup brown sugar, and ½ teaspoon cinnamon in a small bowl.
- Add cold butter chunks and use a pastry cutter or fork to blend until coarse crumbs form.
- Chill the streusel in the refrigerator while preparing the batter to keep butter cold and crumbly.
Mix Batter
- Beat ½ cup softened butter and ¾ cup sugar in a large bowl with a mixer on medium speed until light and fluffy.
- Add eggs one at a time, beating well after each addition to incorporate air and stabilize the batter.
- Stir in 1 teaspoon vanilla extract until smooth and creamy, scraping the bowl once for uniform texture.
Combine Dry Ingredients
- Whisk together 2 cups flour, 2 teaspoons baking powder, ½ teaspoon baking soda, 1 teaspoon cinnamon, and ¼ teaspoon salt in another bowl.
Finish Batter and Bake
- Mash bananas until smooth with a few small lumps and gently fold them into the wet mixture to avoid overmixing.
- Gradually fold the dry ingredients into the wet mixture just until combined, maintaining a light batter to ensure a tender crumb.
- Pour batter into the prepared pan and smooth the top with a spatula to level the surface for even baking.
- Evenly sprinkle the chilled streusel topping over the batter, pressing lightly to help it adhere during baking.
- Bake for 35–40 minutes at 350°F (175°C) until a toothpick comes out with a few moist crumbs and the streusel turns golden and crunchy.
- Cool the cake in the pan on a wire rack for about 15 minutes before slicing to allow crumb to set for clean slices.
Chef Tips for Perfect Results
Use these detailed tips to guarantee a reliably tender cake and crunchy streusel every bake.
- Measure flour by spooning it into the cup and leveling to avoid a dense cake from packed flour.
- Keep streusel butter cold and work quickly to create coarse crumbs that bake into crisp bits.
- Use very ripe bananas with brown spots for maximum sweetness and moisture without added sugar.
- Do not overmix batter after adding flour; mix until just combined to prevent gluten development and a tough crumb.
- Rotate the pan halfway through baking if your oven has hot spots to achieve even browning of the streusel.
Common Mistakes to Avoid
Avoid these frequent errors to prevent texture problems and flavor imbalances in the cake.
- Overmixing the batter: Overmixing creates a tough crumb; fold gently until dry ingredients disappear.
- Using warm butter in streusel: Warm butter yields a paste, not crumbs; chill butter and keep pieces visible.
- Underripe bananas: Firm bananas lack sweetness and moisture; use bananas with brown flecks for best results.
- Skipping parchment or grease: The cake can stick to the pan; grease thoroughly or line with parchment for clean removal.
- Rushing the cooling: Cutting immediately causes crumbs and collapse; cool fifteen minutes before slicing for cleaner pieces.
Variations and Substitutions
These substitutions maintain the cake’s character while catering to dietary needs and flavor preferences.
| Ingredient | Substitution | Impact on Flavor |
|---|---|---|
| Unsalted butter | Coconut oil (same volume) | Gives a subtle coconut note and dairy-free status; streusel may be slightly softer. |
| Granulated sugar | 1:1 coconut sugar | Provides deeper caramel notes and slightly darker crumb color. |
| All-purpose flour | Whole wheat pastry flour (replace up to 50%) | Adds nutty flavor and denser crumb; keep proportion lower to preserve tenderness. |
| Brown sugar (streusel) | Maple sugar | Changes streusel flavor to maple-forward; crispness remains similar if butter stays cold. |
| Vanilla extract | Almond extract (¼ teaspoon) | Introduces a nutty aroma; use sparingly to avoid overpowering banana notes. |
For a more decadent banana dessert, try a related cheesecake hybrid recipe that pairs banana and caramel flavors found at caramelized banana cheesecake with rum glaze.
Serving Suggestions and Pairings
Serve this banana crumb coffee cake warm or at room temperature to highlight banana fragrance and crisp streusel. Pair the cake with beverages and accompaniments that complement its cinnamon and buttery notes.
- Pair with freshly brewed medium-roast coffee or a milky latte for weekend brunches.
- Serve alongside Greek yogurt and fresh berries for a brighter, balanced plate for brunch gatherings.
- Offer with a scoop of vanilla ice cream for dessert occasions to add creaminess and temperature contrast.
- Bring to potlucks or holiday breakfasts; cut into squares and arrange on a platter for easy serving.
Storage and Reheating
Store and reheat this cake correctly to preserve freshness and streusel crunch for multiple days.
| Method | Duration | Instructions |
|---|---|---|
| Room temperature | 1–2 days | Cover loosely with foil or a cake dome to maintain streusel texture while preventing drying. |
| Refrigerator | Up to 5 days | Wrap airtight; reheat slices in a 325°F oven for 8–10 minutes to refresh texture and warmth. |
| Freezer | Up to 3 months | Wrap tightly in plastic and foil; thaw overnight in refrigerator and re-crisp streusel in a low oven. |
| Microwave reheat | Immediate use only | Warm a single slice 10–15 seconds; microwave softens streusel so prefer oven reheating for crispness. |
Nutritional Information
Approximate values are provided per serving for planning and dietary awareness.
| Nutrient | Amount per Serving |
|---|---|
| Calories | ~280 kcal |
| Total Fat | 12 g |
| Saturated Fat | 7 g |
| Carbohydrates | 38 g |
| Fiber | 1.5 g |
| Sugars | 18 g |
| Protein | 3 g |
| Sodium | 140 mg |
Frequently Asked Questions

Can I substitute oil for butter in the cake batter?
Yes, you can substitute oil for butter in the cake batter using the same volume. Use a neutral oil like canola or melted coconut oil to keep moisture without altering structure significantly. Expect a slightly different mouthfeel and reduced butter flavor when using oil.
How do I know when the cake is done baking?
Insert a toothpick into the cake center to determine doneness; it should come out with a few moist crumbs. Avoid toothpicks showing wet batter because that indicates underbaking, and continue baking in two-minute increments if needed. The streusel should be golden and crisp when the cake is ready.
My streusel melted into the batter; how can I prevent that?
Keep streusel butter cold and refrigerate the topping until ready to use to prevent melting into the batter. Use a coarse crumb and press the topping gently onto the batter so it adheres and bakes on top. If your kitchen is warm, chill both the bowl and streusel briefly before topping.
Can I make this coffee cake ahead of time?
Yes, you can make the cake ahead and store it in the refrigerator for up to five days or freeze it for longer storage. Reheat in a low oven to revive the streusel’s crunch and refresh moisture before serving. For best texture, assemble streusel and chill it until just before baking if storing the unbaked cake overnight.
What are ideal serving occasions for this coffee cake?
This coffee cake suits brunches, casual gatherings, and weekday breakfasts when you want a comforting sweet bread. Offer it for holidays or potlucks as an easy-to-slice option that travels well. Serve warm with coffee or a creamy beverage for best pairing.
Conclusion
This Easy Banana Crumb Coffee Cake Recipe with Streusel brings dependable banana flavor and a crisp cinnamon topping to any breakfast or dessert table. Follow the precise mixing and chilling steps to achieve a tender crumb and crunchy streusel every time. Bake a batch to enjoy the balanced sweetness and comforting spice in each bite.
Related resources: I also recommend consulting trusted baking technique guides like King Arthur Baking quick breads for mixing tips, and the USDA for nutritional reference at USDA Agricultural Research Service.
For additional banana-forward recipes and inspiration, check a caramelized banana cheesecake adaptation at caramelized banana cheesecake with rum glaze.
Easy Banana Crumb Coffee Cake
Ingredients
Main Ingredients
- 3 medium Ripe bananas, mashed Use very ripe bananas for best sweetness; freeze overripe ones for smoothies later.
- 2 cups All-purpose flour Sifted; spoon and level for accuracy.
- 2 teaspoons Baking powder Fresh for reliable rise; check expiration.
- 0.5 teaspoon Baking soda Balances acidity from bananas.
- 1 teaspoon Ground cinnamon Add an extra ¼ teaspoon to batter for stronger spice.
- 0.25 teaspoon Salt Enhances sweetness and flavor.
- 0.5 cup Unsalted butter, softened Can substitute coconut oil (dairy-free) using same volume.
- 0.75 cup Granulated sugar Adjust by 1–2 tablespoons for very sweet bananas.
- 2 Large eggs Room temperature eggs blend better.
- 1 teaspoon Vanilla extract Pure vanilla adds depth; optional almond extract splash.
Streusel Topping
- 0.5 cup Streusel flour Part of streusel mix; use pastry flour for softer crumbs.
- 0.33 cup Brown sugar (streusel) Light or dark brown sugar works; dark gives richer molasses notes.
- 0.5 teaspoon Cinnamon (streusel) Combine with nutmeg for a warmer profile.
- 4 tablespoons Cold unsalted butter (streusel), cut into chunks Keep cold for coarse crumb; use vegan butter for dairy-free option.
Instructions
Preparation
- Preheat the oven to 350°F (175°C) and grease a 9×9-inch baking pan with butter or non-stick spray. Line the pan with parchment paper if desired to ease removal.
Make Streusel
- Combine ½ cup flour, ⅓ cup brown sugar, and ½ teaspoon cinnamon in a small bowl.
- Add cold butter chunks and use a pastry cutter or fork to blend until coarse crumbs form.
- Chill the streusel in the refrigerator while preparing the batter.
Mix Batter
- Beat ½ cup softened butter and ¾ cup sugar in a large bowl with a mixer on medium speed until light and fluffy.
- Add eggs one at a time, beating well after each addition.
- Stir in 1 teaspoon vanilla extract until smooth.
Combine Dry Ingredients
- Whisk together 2 cups flour, 2 teaspoons baking powder, ½ teaspoon baking soda, 1 teaspoon cinnamon, and ¼ teaspoon salt in another bowl.
Finish Batter and Bake
- Mash bananas until smooth and fold them into the batter.
- Fold the dry ingredients into the wet mixture just until combined.
- Pour batter into the prepared pan and smooth the top.
- Sprinkle the chilled streusel topping over the batter, pressing lightly to adhere.
- Bake for 35–40 minutes until a toothpick comes out with a few moist crumbs.
- Cool the cake in the pan on a wire rack for about 15 minutes before slicing.


