Fluffy Blender Bolo de Banana: Easy Brazilian Banana Cake

This fluffy bolo de banana bakes golden-brown in 50 minutes, filling your kitchen with caramelized banana perfume. Everything whirls together in the blender, so no mixer and barely any dishes. Make it for slow weekend mornings on the porch.

Blending the eggs and sugar into a silky foam traps air for a fluffy crumb. A quick low pulse for the flour keeps the gluten relaxed and the cake tender.

Ingredients You'll Need

Very Ripe Bananas: Look for heavily freckled, almost black peels and soft, fragrant flesh. They bring the sweetness, moisture and deep caramel perfume that make this cake taste like banana. No ripe ones? Roast yellow bananas in their skins at 350°F until blackened, about 15 minutes.

Eggs: Room-temperature eggs whip into a pale, silky foam in the blender. That trapped air lifts the batter and gives it structure. In a pinch, swap each egg for 3 tablespoons aquafaba, though the crumb turns a little denser.

Vegetable Oil: A neutral oil keeps the crumb tender and moist for days. Unlike butter, it stays soft even straight from the fridge. Sunflower, canola or a light olive oil all work beautifully.

Granulated Sugar: Sugar sweetens the cake and helps build that frothy, airy base. It also browns into the deep golden crust you'll crave. Light brown sugar swaps in cup for cup and adds a toffee note. It's also the sugar for the canela topping.

All-Purpose Flour: Flour is the cake's backbone, and it also dusts the tube pan for a clean release. Spoon it into the cup and level it, or your cake turns heavy. A 1:1 gluten-free baking blend makes a good substitute.

Baking Powder: This is the main leavening that puffs the cake tall in the oven. Make sure yours is fresh, or the cake can sink. No baking powder? Use ¾ teaspoon baking soda plus 1½ teaspoons cream of tartar.

Fine Salt: Just a pinch, but it wakes up the banana and balances the sweetness. Without it, the cake tastes flat. Table salt works the same, and you can use a little extra if all you have is coarse kosher salt.

Unsalted Butter: Softened butter greases every curve of the tube pan. It holds the flour dusting in place so the cake slides right out. Vegetable shortening or a brush of oil does the job too.

Unsweetened Cocoa Powder: Cocoa turns the batter into a rich, dark bolo de banana com chocolate. Sift it first so no bitter lumps hide in the crumb. Dutch-process cocoa gives a darker color and milder flavor.

Semisweet Chocolate: Rough chunks melt into glossy little pockets inside the warm cake. Folding them in at the end keeps them from sinking. Semisweet chocolate chips or chopped dark chocolate are easy substitutes.

Ground Cinnamon: Cinnamon gives the canela version its cozy, warm-spice fragrance. Some goes into the batter, and some tops the cake with sugar for a crackly crust. A mix of cinnamon and a pinch of nutmeg is lovely too.

Doce de Leite: This thick, silky milk caramel is Brazil's sweet treasure. Warmed slightly, it swirls into amber ribbons across the top. Dulce de leche is the same thing, and thick caramel sauce works in a pinch.

How to Make It (Step by Step)

Everything happens in your blender: whirl ripe bananas into a silky batter, pour it into the pan and bake until golden-brown.

Even if you've never baked a cake from scratch, this fluffy, fragrant one forgives you and rises beautifully anyway.

1. Preheat the oven and grease a 10-inch tube pan with the softened butter, then dust it with flour until every curve wears a thin white coat, 5-10 minutes at 350°F / 180°C. Tap out the extra flour. A clean, even coating means a clean release later.

2. Blend the banana chunks, eggs and vegetable oil on high until completely smooth and pale yellow, 1-2 minutes at room temperature (68°F / 20°C). Your kitchen will smell like a banana bread dream already.

3. Add the granulated sugar and blend on high until the mixture turns frothy, airy and silky with no grit, about 1 minute at room temperature (68°F / 20°C). That foam is your fluffy cake in the making.

4. Add the flour, baking powder and fine salt, then pulse on low until just combined into a thick, glossy batter, 15-30 seconds at room temperature (68°F / 20°C). Scrape the sides once. Stop as soon as the flour disappears.

5. Pulse in your flavor: the sifted cocoa for chocolate, or 1 teaspoon cinnamon for canela, until evenly colored, 10-15 seconds at room temperature (68°F / 20°C). Skip this for plain or doce de leite.

6. Pour the batter straight from the blender into the prepared pan, then tap it on the counter until the surface settles level, about 1 minute at room temperature (68°F / 20°C). For chocolate, fold in the chopped chocolate now.

7. Dollop the warm doce de leite over the batter and swirl with a knife until loose caramel ribbons marble the top, 1-2 minutes at room temperature (68°F / 20°C). For canela, scatter the cinnamon sugar instead.

8. Bake until the top is deep golden-brown, springs back when pressed and a toothpick comes out clean, 40-45 minutes at 350°F / 180°C. Peek only after 35 minutes, please.

9. Cool the cake in the pan until the sides feel warm, not hot, 10-15 minutes at room temperature (68°F / 20°C). Then flip it onto a wire rack and lift the pan away gently.

10. Slice with a serrated knife once the crumb feels set and springy, after 20-30 minutes more at room temperature (68°F / 20°C). Pour a coffee and take it to the porch.

Wrapped tight, this cake keeps four days chilled or three months frozen. Warm slices 15 seconds until fragrant, and always use speckled, spotty bananas, never pale yellow ones.

Serving size: 1 portion · Calories: 275 · Total Fat: 11.5g · Saturated Fat: 1.7g · Carbs: 41g · Fiber: 1.4g · Sugar: 21g · Protein: 4g · Sodium: 190mg

Tips and Tricks

• Equipment: Bake it in a 10-inch tube pan: That center tube pulls heat into the middle of the cake. The batter rises evenly and bakes through without a raw, gummy core. Butter every curve and dust it with flour so your cake slides out in one golden piece.

• Temperature precision: Let your eggs reach room temperature: Cold eggs straight from the fridge won't whip into that airy, silky foam. Aim for about 68°F / 20°C. Pop them in a bowl of warm water for 10 minutes if you forgot.
• Common mistake: Opening the oven too early: I know the banana perfume is tempting. But a peek before 35 minutes lets the heat rush out. The fragile, half-set center sinks into a sad dip. Keep that door closed and trust the timer.
• Flavour upgrade: Fold in chopped semisweet chocolate: For bolo de banana com chocolate, fold roughly chopped chocolate into the batter after pouring it into the pan. Each slice gets melty little pockets tucked inside the tender crumb. Banana and chocolate together taste like a cozy Sunday morning.

• Texture tip: Be patient before you slice: Cool the cake in the pan for 10-15 minutes, then flip it onto a wire rack. Wait another 20-30 minutes before cutting with a serrated knife. The crumb sets and turns springy, so every slice stays fluffy, never squished.

Frequently Asked Questions

Can I make this bolo de banana gluten-free or dairy-free?

Swap the 2 cups flour for 250 g of a 1:1 gluten-free baking blend with xanthan gum, and dust the pan with rice flour. The batter already uses oil, so for dairy-free, just grease the pan with 1 tablespoon coconut oil instead of butter.

Can I bake this bolo de banana a day ahead for brunch?

Yes, cool it completely, then keep it under a cake dome at room temperature for up to 2 days (refrigerate the doce de leite version). Before serving, refresh the whole cake in a 300°F / 150°C oven for 8-10 minutes until the crust smells toasty.

Why did my bolo de banana sink in the middle after baking?

Usually the flour was overblended or the oven door opened too early, so pulse only until the flour vanishes and wait 35 minutes before peeking. Bake until the center springs back and a toothpick comes out clean, not just until the edges brown.

What to Serve With This

• Tangy Greek Yogurt with Honey: Its cool, thick tang cuts through the cake's sweet, caramelized banana richness, and each forkful feels lighter.
• Pineapple and Mint Salad: Juicy, acidic pineapple and fresh mint brighten every soft, fragrant bite of golden crumb.
• Queijo Minas Frescal: This mild, slightly salty fresh cheese is a classic Brazilian partner that balances the cake's mellow sweetness.
• Strong Black Cafezinho: Bold, slightly bitter coffee meets the tender banana crumb, and that's my favorite porch breakfast at sunrise.