Banana Cake
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Prep Time: 25 minutes
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Bake Time: 35–40 minutes
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Cooling Time: 60 minutes
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Frosting & Assembly: 15 minutes
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Total Time: 2 hours 20 minutes
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Yield: 12 to 15 generous slices (9×13-inch pan)
Flavor & Texture Intensity Profile
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Banana Flavor Depth: High (accentuated by heavily speckled, caramelized fruit sugars)
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Moisture / Crumb Density: Medium-High (ultra-plush crumb structure, never heavy or gummy)
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Sweetness Balance: Medium (sweet crumb paired with an acidic, tangy dairy finish)
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Frosting Richness: High (smooth, silky emulsion of butter and cultured cream cheese)
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Aroma: Warm Madagascar vanilla, sweet roasted banana, and cultured butter
Ingredients Checklist
For the Banana Cake Batter
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Overripe Bananas: 3 large or 4 medium bananas (approx. 1 1/2 cups / 360 g mashed), heavily brown-speckled or blackened
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All-Purpose Flour: 2 1/2 cups (300 g), spooned and leveled
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Baking Soda: 1 teaspoon (5 g)
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Fine Sea Salt: 1/2 teaspoon (3 g)
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Ground Cinnamon (Ceylon preferred): 1/2 teaspoon (1.5 g)
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Unsalted Butter: 1/2 cup (1 stick / 115 g), softened to room temperature (approx. 65°F–68°F / 18°C–20°C)
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Granulated White Sugar: 3/4 cup (150 g)
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Light Brown Sugar: 3/4 cup (160 g), packed
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Large Eggs: 3 whole eggs, room temperature
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Pure Vanilla Extract: 2 teaspoons (10 ml)
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Buttermilk: 1 cup (240 ml), room temperature (or 1 cup whole milk + 1 tablespoon fresh lemon juice, rested for 5 minutes)
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Optional Mix-in: 3/4 cup (85 g) finely chopped toasted pecans or walnuts
For the Tangy Cream Cheese Frosting
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Block Cream Cheese: 8 oz (225 g), full fat, softened to room temperature
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Unsalted Butter: 1/2 cup (1 stick / 115 g), room temperature
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Powdered Sugar (Confectioners’): 3 cups (360 g), sifted
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Pure Vanilla Extract: 1 1/2 teaspoons (7.5 ml)
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Fine Sea Salt: 1 pinch (to cut through richness)
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Garnish: 1/4 cup (30 g) toasted chopped walnuts or crushed banana chips
Step-by-Step Instructions
1. Equipment & Oven Setup
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Adjust an oven rack to the center position.
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Preheat the oven to 350°F (175°C) for conventional baking (or 325°F / 165°C for convection/fan-assisted).
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Thoroughly grease a 9×13-inch light-colored metal baking pan with softened butter or neutral baking spray. Dust lightly with flour, tapping out any excess, or line the bottom and sides with parchment paper leaving a 1-inch overhang.
2. Prepare the Banana Puree & Dry Goods
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Peel the overripe bananas and place them into a wide mixing bowl. Using a sturdy potato masher or fork, mash the bananas thoroughly. For the silkiest crumb texture, leave tiny flecks of pulp rather than large chunks.
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In a separate large bowl, sift together the all-purpose flour, baking soda, fine sea salt, and ground cinnamon. Whisk the dry blend for 30 seconds to distribute the leavening agent evenly.
3. Cream the Fat and Sugars
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In the bowl of a stand mixer fitted with the paddle attachment (or using an electric handheld mixer with beaters), place the softened unsalted butter, granulated sugar, and packed light brown sugar.
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Beat on medium speed (Speed 4–6) for 3 to 4 minutes until the mixture turns pale, aerated, and fluffy, scraping down the sides and bottom of the bowl with a silicone spatula halfway through.
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Add the room-temperature eggs one at a time, beating for 30 seconds after each addition until fully incorporated.
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Pour in the pure vanilla extract and beat for another 15 seconds.
4. Incorporate the Batter
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With the mixer running on low speed (Speed 1–2), add one-third of the sifted flour mixture. Mix just until flour pockets disappear.
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Pour in half of the buttermilk and mix until barely combined.
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Add another third of the dry ingredients, followed by the remaining buttermilk, finishing with the last portion of flour. Mix on the lowest speed for no more than 20 seconds.
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Detach the bowl from the mixer. Add the mashed banana puree (and chopped nuts, if using). Fold gently using a silicone spatula from the bottom up in wide sweeping strokes until just uniform. Do not overmix; excessive stirring develops gluten and creates a rubbery texture.
5. Bake to Golden Perfection
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Pour the batter into the prepared pan. Smooth the top evenly using an offset spatula.
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Transfer the pan to the center rack of the preheated oven.
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Bake at 350°F (175°C) for 33 to 38 minutes.
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Test for doneness: Insert a slender wooden skewer or cake tester into the center. It should come out clean or with a few moist, clinging crumbs, but no wet batter. The cake edges will begin to pull away slightly from the pan walls.
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Remove the pan and set it onto a wire cooling rack. Allow the cake to cool completely in the pan to room temperature (at least 60–75 minutes) before frosting. Applying frosting to a warm cake will melt the fat in the cream cheese.
6. Whip the Frosting & Assemble
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Place the softened block cream cheese and room-temperature butter into a clean stand mixer bowl fitted with the paddle or whisk attachment.
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Beat on medium-high speed for 2 to 3 minutes until pale and lump-free.
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Reduce the speed to low. Gradually add the sifted powdered sugar 1/2 cup at a time, allowing it to incorporate without creating a cloud of sugar dust.
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Once all the sugar is incorporated, add the vanilla extract and pinch of salt.
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Increase speed to medium-high and whip for 60 to 90 seconds until smooth, glossy, and spreadable.
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Dollop the frosting across the cooled banana cake. Spread it evenly to the corners using an offset spatula, creating gentle swoops and decorative swirls across the top.
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Scatter toasted chopped walnuts or pecans across the surface if desired.
Pro Baker’s Tips for Success
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Ripeness is Paramount: Yellow bananas with faint green stems lack the converted simple sugars and volatile aromatics required for this recipe. Use bananas that have turned thoroughly brown or black.
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Rapid Ripening Trick: If your bananas are firm, place unpeeled fruit on a parchment-lined baking sheet in an oven set to 300°F (150°C) for 15–20 minutes until skins turn dark brown and the pulp softens. Let cool completely before peeling.
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Room Temperature Dairy: Cold eggs and butter will cause the creamed emulsion to split. Bring eggs, butter, and buttermilk to 65°F–68°F (18°C–20°C) before starting.
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Storage: Cover the frosted cake tightly with plastic wrap or transfer slices to an airtight container. Refrigerate for up to 5 days. For the best flavor and silky texture, let chilled slices sit at room temperature for 15 minutes before serving.
Nutritional Analysis
Serving Size: 1 slice (1/15th of 9×13 cake, with cream cheese frosting)
Servings Per Recipe: 15
| Nutrient | Amount per Serving | % Daily Value* |
| Calories | 385 kcal | — |
| Total Fat | 16.5 g | 21% |
| — Saturated Fat | 9.8 g | 49% |
| — Trans Fat | 0.4 g | — |
| Cholesterol | 68 mg | 23% |
| Sodium | 195 mg | 8% |
| Total Carbohydrates | 56.8 g | 21% |
| — Dietary Fiber | 1.6 g | 6% |
| — Total Sugars | 38.2 g | — |
| — Added Sugars | 31.0 g | 62% |
| Protein | 4.6 g | 9% |
| Potassium | 210 mg | 4% |
| Calcium | 48 mg | 4% |
| Iron | 1.3 mg | 7% |
| Vitamin A | 480 IU | 10% |
| Vitamin C | 2.5 mg | 3% |