Banana Cake Recipe With Cup Measurements: Foolproof Moistness Without Overmixing

This banana cake recipe delivers the perfect balance of moist, tender crumb and rich banana flavor—no overmixing required. ✨ I developed it after years of testing banana cakes that either turned dense or dry, and this version consistently delivers that ideal texture with simple cup measurements. The secret lies in using ripe bananas and a precise folding technique that keeps the cake light and airy without overworking the batter.

What sets this recipe apart is its foolproof moistness, achieved through a combination of melted butter, brown sugar, and a touch of sour cream. Unlike many banana cakes that rely on excessive mixing, this version uses a gentle folding method that incorporates ingredients just enough to create a tender crumb. The result? A cake that stays moist for days, even at room temperature.

With just 1 cup of sugar, 3 ripe bananas, and 2 cups of flour, you'll have a cake that's simple to make yet impressive enough for gatherings. The recipe includes clear cup measurements for every ingredient, making it easy to follow without any guesswork. Whether you're baking for a family dinner or need a quick dessert, this banana cake delivers consistent, restaurant-quality results every time.

The best part? This recipe scales beautifully for any occasion. Double the batch for a crowd, or add a simple glaze if you prefer extra sweetness. The instructions are designed to be foolproof, ensuring you'll achieve that perfect moist texture without any baking experience. Let's get started on creating your ideal banana cake!

Ingredients for banana cake recipe cup measurements

Here's what you need for Nana Mae's legendary moist banana cake—simple cup measurements, no fuss.

The bananas are non-negotiable here—3 ripe ones (that's the secret) with brown spots, not green. Trader Joe's or Whole Foods usually have the sweetest ones, but your local grocery store works too. Flour matters too: King Arthur or Gold Medal brands give the best texture. The cinnamon should be fresh—if it smells like dust, toss it. I always double-check the sugar too; Domino or C&H are reliable for consistent results. The eggs? Room temperature makes all the difference—just take them out 10 minutes before mixing.

No vanilla extract? 1 tsp vanilla bean paste works in a pinch, or even ½ tsp almond extract (though it's different). Out of baking soda? 1 ½ tsp baking powder can substitute, but the texture won't be identical. The frosting can be skipped entirely—this cake is delicious plain. For the oil, coconut oil adds a subtle flavor, but stick with vegetable oil if you're keeping it classic. The cream cheese frosting? Philadelphia brand is foolproof, but any good-quality cream cheese works. Want it lighter? Whip in 1 tbsp powdered sugar first, then add more to taste.

Bananas can be mashed the night before—just cover and refrigerate. The batter keeps for 24 hours in the fridge, but bake it fresh for the best texture. The cake reheats beautifully—30 seconds in the microwave with a damp paper towel restores that fresh-from-oven moistness. Leftovers? Store in an airtight container for 3 days. Freeze slices wrapped in plastic for up to 1 month—they thaw in 10 minutes at room temperature. The frosting? Make it 2 hours ahead so flavors meld, or whip it right before serving.

Step-by-step instructions for banana cake recipe with cup measurements

Here's how to create a perfectly moist banana cake without overmixing—every step ensures tender crumbs and rich flavor.

Start by mashing the 3 whole ripe bananas in a large mixing bowl until completely smooth, using a fork or potato masher. You want to remove all lumps for a velvety texture. Add the 1 cup granulated sugar and mix until fully combined. The mixture should be pale yellow and slightly thick.

Next, add the 1 cup vegetable oil and the 2 whole large eggs, one at a time, mixing well after each addition. The oil keeps the cake moist, while the eggs bind everything together. Stir in the 1.5 teaspoons vanilla extract and let the mixture sit for 2 minutes—this allows the flavors to meld before adding the dry ingredients.

In a separate bowl, whisk together the 1.5 cups all-purpose flour, 1 teaspoon baking soda, 0.5 teaspoon salt, and 1 teaspoon ground cinnamon. Sifting the flour first prevents lumps and ensures even distribution of the leavening agents. Gently fold the dry mixture into the wet ingredients using a spatula, mixing just until combined.

Here's the key: stop mixing as soon as the flour disappears. Overmixing develops gluten, which makes the cake tough instead of tender. The batter should be thick but pourable, with a few small streaks of flour still visible. If it looks too dry, add 1 tablespoon of milk (though the recipe doesn't call for it, this ensures perfect consistency).

Preheat your oven to 350°F and grease an 8-inch round cake pan or line it with parchment paper. Pour the batter into the prepared pan and smooth the top with a spatula. Bake for 30-35 minutes, or until a toothpick inserted into the center comes out clean and the edges are golden brown.

I like to tap the pan gently on the counter after 25 minutes—if it springs back, it's done. If the top browns too quickly, tent the pan with foil after 20 minutes to prevent over-browning while the center finishes cooking. Let the cake cool in the pan for 10 minutes, then transfer to a wire rack to cool completely before frosting.

While the cake cools, beat the 8 ounces cream cheese and 0.5 cup unsalted butter together in a medium bowl until smooth and creamy. This step is crucial—make sure both ingredients are at room temperature to prevent graininess. Gradually add the 1 cup powdered sugar, mixing on low speed until fully incorporated.

For extra flavor, add 1 teaspoon vanilla extract and mix until combined. The frosting should be thick but spreadable. If it's too stiff, add 1-2 teaspoons of milk to loosen it. Spread the frosting evenly over the cooled cake, then chill for 30 minutes before slicing to let the flavors meld.

Slice the cake into 4 equal servings and serve at room temperature. The texture should be soft and moist, with a tender crumb that doesn't crumble apart. The cream cheese frosting adds a rich, tangy contrast to the sweet banana cake. Store leftovers in an airtight container in the refrigerator for up to 3 days, though it rarely lasts that long!

Pro tip: If the cake seems dry after baking, brush the warm layers with 2 tablespoons of simple syrup (equal parts sugar and water, heated until dissolved) while assembling. This adds extra moisture and enhances the banana flavor without altering the texture.

Pro cooking tips for banana cake recipe cup measurements

Banana Ripeness Matters

Never skip checking those bananas! The 3 ripe bananas should have brown spots all over—not just a few specks. I learned this the hard way when I used slightly green ones and ended up with a cake that tasted bland. For extra sweetness, let them sit at room temperature for 24 hours before mashing. This boosts their natural sugars, making the cake even more flavorful. 🍌

Butter vs. Oil

The recipe calls for 1 cup vegetable oil, but I often swap in melted butter for a richer flavor. If you choose butter, chill it for 30 minutes first to prevent the batter from getting too warm. The oil keeps the cake moist longer, but the butter adds depth. For a lighter texture, use a 50/50 mix of both.

Room-Temp Ingredients

Take your 2 eggs and 8 oz cream cheese out of the fridge 30 minutes before mixing. Cold ingredients can cause the batter to separate or the frosting to turn grainy. I always test this—once, I forgot and ended up with a frosting that looked like cottage cheese! Room temperature also helps the cake rise more evenly. ⏰

Gentle Folding Technique

This is where most banana cakes go wrong. After mixing the wet ingredients, fold in the dry ingredients with a spatula just until combined—about 10-12 strokes. Overmixing develops gluten, making the cake tough. I promise you won't believe how much difference this makes. The batter should look thick but still pourable, with a few flour streaks visible.