This banana cake is the kind I turn to when I have a handful of overripe bananas and a small window to feed a crowd. It bakes in a sheet pan, which means quick hands, even slices, and a surface ideal for a thin, buttery frosting. No loaf pan wrestling. No long waits. Just a simple, reliable cake that keeps its moist crumb day after day.
The batter is sturdy but forgiving: Greek yogurt for moisture and tang, mashed bananas for flavor and natural sweetness, and a modest amount of butter to round everything out. The frosting is a small but decisive step — a warm browned-butter glaze that makes the top sing without overpowering the cake.
I write recipes that I actually cook on weeknights and feed to friends. This one fits into that lane: practical, predictable, and adaptable. Below you’ll find what I use, exact step-by-step instructions, troubleshooting tips, and storage notes so the cake turns out well whether you’re making it for a neighbor or your next potluck.
What We’re Using
This recipe is organized to be fast and straightforward: a 13×18-inch sheet pan gives a thin, even cake that slices into 24 servings. A mixer makes the batter light; a small sauté pan is needed to brown butter for the frosting. The ingredient list below is the source of truth for the quantities.
Ingredients
- 1 cup sugar — provides sweetness and helps with tenderness.
- 1 cup plain Greek yogurt — adds moisture and a slight tang to balance the bananas.
- 1/2 cup butter, softened — creamed with sugar to give structure and richness.
- 2 large eggs — bind the batter and help with lift.
- 2 cups mashed bananas (about 4 medium bananas) — main flavor; ripe bananas work best.
- 2 teaspoons vanilla — enhances the banana flavor in the batter.
- 2 cups flour — the base for structure; use all-purpose.
- 1 teaspoon baking soda — the leavening agent that gives a gentle rise.
- 1 teaspoon salt — balances sweetness and brings out flavor.
- 1/4 cup browned butter — for the frosting; it adds a nutty, caramel note.
- 1 cup confectioners sugar — sweetens and thickens the frosting to spreadable consistency.
- 2 tablespoons milk — loosens the frosting to a pourable texture.
- 1 teaspoon vanilla — for the frosting; a finishing aromatic note.
Banana Cake, Made Easy
- Preheat oven to 350°F (175°C). Grease a 13×18-inch baking sheet pan.
- In a mixer or large bowl, beat together 1 cup sugar, 1 cup plain Greek yogurt, and 1/2 cup softened butter until light and fluffy.
- Add 2 large eggs, 2 cups mashed bananas (about 4 medium bananas), and 2 teaspoons vanilla. Mix until well combined and smooth.
- Add 2 cups flour, 1 teaspoon baking soda, and 1 teaspoon salt. Mix just until combined and no streaks of flour remain.
- Pour the batter into the prepared sheet pan and spread it evenly.
- Bake 25–30 minutes, until the top is golden brown and springs back when lightly pressed.
- Remove the cake from the oven and let it cool in the pan for about 10 minutes (the cake should be warm but not hot when you frost it).
- While the cake cools, brown 1/4 cup butter for the frosting: cut the 1/4 cup butter into pieces and cook in a small sauté pan over medium heat, stirring constantly for about 5–8 minutes, until it foams and turns golden brown. Remove from heat and pour the browned butter into a heatproof bowl to stop the cooking; let it cool until warm (not hot).
- Add 1 cup confectioners’ sugar, 2 tablespoons milk, and 1 teaspoon vanilla to the warm browned butter. Beat until the frosting is smooth and creamy.
- Pour the frosting over the warm (not hot) cake and spread to cover the surface evenly.
- Slice the cake into 24 even pieces. Serve warm or cool.
Why This Banana Cake Stands Out
Because it’s a sheet cake, this Banana Cake hits three useful notes: it’s fast to bake, easy to slice for a crowd, and delivers an even crumb every time. The Greek yogurt keeps the cake tender without a heavy, greasy texture. The bananas do the flavor work; they bring sweetness, moisture, and that unmistakable banana aroma.
The frosting is simple but decisive. Browning the small amount of butter for the glaze deepens the flavor profile — you get a hint of caramel and toasted nuts in every bite. Since the glaze is thin, you still taste the cake’s tender crumb and banana rather than being buried under a heavy frosting.
Budget & Availability Swaps
If a specific item is hard to find or more expensive in your area, make pragmatic choices. Plain Greek yogurt is essential for the texture here, but you can use a plain yogurt you already have if needed—aim for something thick, not watery. Overripe bananas are free flavor; if you have more than you need, mash and freeze them for later.
Confectioners’ sugar is inexpensive and melts into a smooth glaze; if you don’t have it, a quick trip to the store will solve it — it’s the simplest way to get the right frosting texture. For the browned butter, a small amount goes a long way; if you skip the browning step and use melted butter instead, the cake will still be good, though less toasty in flavor.
Kitchen Gear Checklist
- 13×18-inch baking sheet pan (the specified size gives the right thickness).
- Stand mixer or electric hand mixer, or a sturdy large bowl and a whisk.
- Small sauté pan for browning butter.
- Heatproof bowl to stop the butter cooking.
- Rubber spatula or offset spatula to spread batter and frosting.
- Measuring cups and spoons for accurate quantities.
- Cooling rack (optional) to finish cooling after the brief pan rest.
Things That Go Wrong
Texture and Rise
- If the cake seems dense: don’t overmix once you add the flour. Mix until the flour is just incorporated; small streaks are better than a tough crumb.
- If it’s flat in the middle: baking soda must be fresh. Old leavening can fail to provide lift — test by dropping a pinch into warm water; it should fizz.
Frosting Issues
- If the browned butter frosting is grainy or too thick: the confectioners’ sugar may have lumps. Sift it if needed and add milk a teaspoon at a time until the texture smooths.
- If the glaze melts into the cake: let the cake cool until it’s warm, not hot. Hot cake will liquefy the frosting and make the top soggy.
Spring to Winter: Ideas
This Banana Cake is a year-round canvas. In spring and summer, slice and serve with fresh berries or a smear of thin yogurt for brightness. In fall and winter, warm slices briefly and pair with a dusting of cinnamon or a spoonful of warmed preserves. The cake’s straightforward flavor plays well with both fresh and spiced accompaniments.
For gatherings: because it bakes in a sheet pan, you can easily double up pans to feed a crowd and serve buffet-style. It’s also handy to make a day ahead—the flavor often improves after a short rest.
Notes on Ingredients
Here are quick notes on the key components and why they matter.
- Sugar — balances the bananas and contributes to browning.
- Plain Greek yogurt — adds moisture and a slight tang; it keeps the crumb tender without excess fat.
- Butter (1/2 cup, softened) — creamed with sugar, it helps the cake rise and adds flavor.
- Eggs — provide structure and help the batter set.
- Mashed bananas — the star flavor; use ripe, freckled bananas for the best taste.
- Vanilla — the two measures (2 teaspoons in batter, 1 teaspoon in frosting) layer aroma into both cake and glaze.
- Flour, baking soda, salt — the basic structure and leavening. Measure flour by spooning it into the cup and leveling it off for consistency.
- Browned butter (1/4 cup) — a small amount that adds depth to the frosting without making it heavy.
- Confectioners’ sugar and milk — create a smooth, pourable glaze that sets but remains tender.
Storing Tips & Timelines
Room temperature: cover the cake loosely with plastic wrap or a cake dome and store at room temperature for 1–2 days. The glaze will stay soft and the crumb remains moist.
Refrigeration: if you need longer storage, refrigerate in an airtight container for up to 5 days. Note that refrigeration can firm up the texture slightly; bring slices to room temperature before serving for the best mouthfeel.
Freezing: slice the cooled cake into individual pieces, wrap each slice tightly in plastic, and place in a freezer-safe container for up to 2 months. Thaw overnight in the refrigerator or on the counter for a few hours. If you want to refresh the glaze after thawing, warm a little confectioners’ sugar with milk and drizzle lightly.
Helpful Q&A
Q: Can I use a different pan size?
A: This recipe is written for a 13×18-inch sheet pan to achieve a thin, even cake that cuts into 24 pieces. Using a smaller pan will change the bake time and cake thickness; if you change pan sizes, watch the cake and test with a spring-back touch or toothpick for doneness.
Q: My bananas are not ripe enough. What can I do?
A: Ripe bananas give the best flavor and sweetness. If they’re not ripe, you can roast them in the oven at 350°F for 15–20 minutes until the skins darken and the fruit softens, then mash and measure the 2 cups needed.
Q: Can I skip browning the butter for the frosting?
A: Yes. Browning adds flavor but is optional. If you skip it, use melted butter at the same volume; the frosting will be less toasty but still tasty.
Q: Is the recipe freezer-friendly once frosted?
A: It’s easier to freeze unfrosted slices. The glaze can be added after thawing if you want a freshly finished look. Frosted slices can be frozen, but texture may shift slightly.
Final Bite
This Banana Cake is straightforward, dependable, and designed for real kitchens. It takes ripe bananas and a small handful of pantry staples and turns them into something shareable. The sheet-pan format makes it a great option for schools, small parties, and weekday dessert cravings alike.
Make it when you need a no-fuss dessert that still feels deliberate. Follow the steps, respect the cooling window before frosting, and you’ll have 24 neat slices of banana-forward cake with a browned-butter finish that feels just a bit special. Enjoy.
Banana Cake
Ingredients
Ingredients
- 1 cupsugar
- 1 cupplain Greek yogurt
- 1/2 cupbuttersoftened
- 2 largeeggs
- 2 cupsmashed bananas4 medium bananas
- 2 teaspoonsvanilla
- 2 cupsflour
- 1 teaspoonbaking soda
- 1 teaspoonsalt
- 1/4 cupbrowned butter
- 1 cupconfectioners sugar
- 2 tablespoonsmilk
- 1 teaspoonvanilla
Instructions
Instructions
- Preheat oven to 350°F (175°C). Grease a 13×18-inch baking sheet pan.
- In a mixer or large bowl, beat together 1 cup sugar, 1 cup plain Greek yogurt, and 1/2 cup softened butter until light and fluffy.
- Add 2 large eggs, 2 cups mashed bananas (about 4 medium bananas), and 2 teaspoons vanilla. Mix until well combined and smooth.
- Add 2 cups flour, 1 teaspoon baking soda, and 1 teaspoon salt. Mix just until combined and no streaks of flour remain.
- Pour the batter into the prepared sheet pan and spread it evenly.
- Bake 25–30 minutes, until the top is golden brown and springs back when lightly pressed.
- Remove the cake from the oven and let it cool in the pan for about 10 minutes (the cake should be warm but not hot when you frost it).
- While the cake cools, brown 1/4 cup butter for the frosting: cut the 1/4 cup butter into pieces and cook in a small sauté pan over medium heat, stirring constantly for about 5–8 minutes, until it foams and turns golden brown. Remove from heat and pour the browned butter into a heatproof bowl to stop the cooking; let it cool until warm (not hot).
- Add 1 cup confectioners’ sugar, 2 tablespoons milk, and 1 teaspoon vanilla to the warm browned butter. Beat until the frosting is smooth and creamy.
- Pour the frosting over the warm (not hot) cake and spread to cover the surface evenly.
- Slice the cake into 24 even pieces. Serve warm or cool.
Equipment
- Oven
- 13x18-inch baking sheet pan
- mixer or large bowl
- small sauté pan
- Heatproof bowl
