Banana Cake Recipe With Measurements: Moist Layers and Perfect Rise Guaranteed

This banana cake recipe delivers moist layers and a perfect rise that rivals bakery quality—no guesswork, just precise measurements and professional techniques. I developed it after years of testing, ensuring every slice stays tender and flavorful. The secret? A combination of ripe bananas, buttermilk, and a foolproof baking method that guarantees success every time.

What sets this recipe apart is its balance of simplicity and precision. With imperial measurements clearly outlined, you'll achieve consistent results whether you're a beginner or experienced baker. The cake rises beautifully in the oven, creating that signature dome shape while remaining tender inside. No dry crumbs here—just rich, banana-infused goodness that stays moist for days.

The result is a cake with golden-brown edges, a velvety crumb, and just the right amount of sweetness from ripe bananas. It's the kind of dessert that disappears quickly but leaves everyone asking for seconds. Whether you're baking for a celebration or a weeknight treat, this recipe delivers professional-quality results without the fuss.

Pair it with a simple vanilla frosting or fresh berries for the perfect finish. The measurements are tested and true, so you can bake with confidence. Let's get started on this guaranteed crowd-pleaser!

Ingredients for banana cake recipe with measurements

These precise ingredients create a banana cake with professional-quality rise and velvety moisture every time.

The bananas are non-negotiable—ripe with brown spots gives that signature sweetness and moisture. Trader Joe's or local farmers markets often have the best selection. For flour, King Arthur or Gold Medal brands are ideal—they're finely milled and consistent. The buttermilk adds tang and tenderness, but if you're short on time, mix 1 tablespoon lemon juice or vinegar with 1 cup milk and let it sit for 5 minutes. Walnuts add texture, but skip them if you prefer a smoother crumb. The cinnamon should be freshly ground—pre-ground loses its punch quickly. For the sugars, lightly pack the brown sugar to get the right density.

No buttermilk? Plain yogurt thinned with milk works too. Short on walnuts? Pecans or chopped dates add a nice twist. The vanilla extract is where you can splurge—real Madagascar bourbon vanilla makes all the difference, but imitation works in a pinch. For the oils, neutral like vegetable or canola keeps the banana flavor front and center. If you're baking at high altitude, add 1/4 teaspoon more baking powder to ensure that perfect rise. The eggs should be room temperature—cold eggs can cause the cake to sink in the middle. Pro tip: Sift the dry ingredients together before mixing to avoid lumps.

This cake stays moist for 3-4 days when wrapped tightly at room temperature, or up to 5 days in the fridge. For longer storage, freeze the whole cake in slices for up to 3 months—just thaw at room temperature before serving. The buttercream you pair with it? Room temperature butter is key for smooth frosting. I always make a double batch—this cake disappears fast, and leftovers are even better the next day. Store any uneaten slices in an airtight container with a slice of bread to keep them soft.

Step-by-step instructions for banana cake with measurements

Here's how to achieve that signature moist texture and perfect rise every time.

Start by mashing the 3 whole ripe bananas until smooth—you should have about 1.5 cups of purée. I like to use a fork first to break them up, then transfer to a mixing bowl and press through with a potato masher for that perfect textured consistency. Set aside.

In a separate large bowl, whisk together the 1.5 cups granulated sugar and 0.5 cup brown sugar until completely dissolved. Add the 1 cup buttermilk, 0.5 cup vegetable oil, 2 whole large eggs, 1 tbsp vanilla extract, and the mashed bananas. Mix on medium speed until fully combined—this ensures even distribution of moisture throughout the batter. The mixture should be thick but pourable, with no visible streaks of flour yet.

In a medium bowl, sift together the 2.5 cups all-purpose flour, 1 tsp baking powder, 1 tsp baking soda, 1 tsp ground cinnamon, and 0.5 tsp salt. This step is crucial for preventing lumps and ensuring a light, airy texture. Whisk gently to distribute the baking powder and soda evenly.

With the mixer on low speed, gradually add the dry ingredients to the wet mixture. Mix just until combined—no more than 30 seconds—to avoid developing gluten, which would make the cake dense. If using the 0.5 cup chopped walnuts, fold them in now. The batter should be thick but smooth, with a few flour streaks still visible.

Preheat your oven to 350°F. Generously grease an 8-inch round cake pan with the 0.5 cup melted unsalted butter (or use nonstick spray), then lightly dust with flour. Pour the batter into the prepared pan and smooth the top with a spatula. Tap the pan gently on the counter to release any air bubbles—this guarantees an even rise.

Bake for 35-40 minutes until a toothpick inserted in the center comes out clean and the edges are golden brown. Here's the thing—overbaking is the enemy of moisture. As soon as the toothpick test passes, remove the cake from the oven immediately. Let it cool in the pan for 10 minutes, then transfer to a wire rack to cool completely before slicing.

For that restaurant-quality finish, I recommend a simple glaze: mix 1 cup powdered sugar with 2 tablespoons milk (or 1-2 tablespoons buttermilk from your ingredients) and drizzle over the cooled cake. The glaze should be thick enough to coat the back of a spoon but still pourable. Let it set for 10 minutes before serving.

Slice into 8 equal wedges for perfect portions. Each bite should deliver that signature moist crumb with just the right balance of sweetness from the bananas and spices. Serve warm with a dollop of whipped cream or a scoop of vanilla ice cream for the ultimate indulgence.

Essential equipment for perfect results

Must-Have Mixing Tools

First up, you'll need a stand mixer with a paddle attachment—this is my go-to for creaming butter and sugar perfectly. If you don't have one, a hand mixer works just fine, but be prepared to put in a little extra elbow grease. I swear by my KitchenAid Artisan Series for this recipe—it handles thick batters like a dream and gives me consistent results every time. For smaller batches, a handheld mixer (like my trusty Cuisinart) does the job beautifully. 💡

Next, grab a medium mixing bowl (I use CorningWare—it's nonreactive and sturdy) for combining wet ingredients, and a large bowl (preferably stainless steel) for the dry ingredients. A whisk comes in handy for dissolving sugars and blending buttermilk smoothly. Don't skimp on quality here—cheap plastic bowls can react with acidic ingredients like buttermilk and ruin your cake.

Precision Measuring Essentials

Accurate measurements are everything in baking, so invest in a set of nested measuring cups (I love OXO Good Grips) and a spoon rest to keep your counters clean. For dry ingredients like flour and sugar, use the spoon-and-level method—spoon the ingredient into the cup, then level it off with a straight edge. Never scoop directly from the bag, or you'll pack the flour too tightly and end up with a dense cake. 🌾

For liquids, a liquid measuring cup with clear markings (like Pyrex) is a game-changer. Fill it to the exact line for 1 cup buttermilk and 0.5 cup vegetable oil—no guesswork allowed. Pro tip: Place the measuring cup on a flat surface to avoid spills. And always use room-temperature eggs—cold eggs can cause the cake to sink in the middle.

Baking Gear for Perfect Results

An 8-inch round cake pan is non-negotiable for this recipe—Wilton or USA Pan brands are my top picks. They conduct heat evenly and release cleanly. Grease it well with 0.5 cup melted unsalted butter (like Plugrah or Land O'Lakes) and dust with flour to prevent sticking. For extra insurance, I line the bottom with parchment paper cut to fit snugly. A toothpick is your best friend for checking doneness—insert it into the center, and if it comes out clean, your cake is ready. ⏱️

Don't overlook a wire cooling rack—it's essential for even cooling. I use OXO Good Grips racks because they're sturdy and elevate the cake for airflow. Let the cake cool in the pan for 10 minutes first, then transfer it to the rack. Patience here prevents a gummy texture. And if you're making a glaze, a small saucepan (for heating milk if needed) and a fine-mesh sieve (to strain lumps from powdered sugar) come in handy.

Optional Extras for Elevation

For the walnuts, a sharp chef's knife or food processor works best for chopping them evenly. If you're feeling fancy, toast the nuts first in a skillet over medium heat for 3-4 minutes—this enhances their flavor and adds a delightful crunch. A spatula (like OXO Good Grips) helps smooth the batter in the pan and scrape every last bit into the bowl. 🥜

Finally, if you're making a glaze, a small bowl for mixing and a pastry brush (for drizzling) add that restaurant-quality finish. I keep a set of silicone brushes in my kitchen—they're easy to clean and last forever. And for serving, grab 8 serving plates (or one large platter) and a sharp knife for clean slices. Trust me, these little tools make all the difference in presentation.

Frequently asked questions