Bolo de banana

Mineiro upside-down banana cake with a deeply caramelised crust

Origin: Minas Gerais, Brazil

From the journey of Banana.

Portugal first introduced banana cultivation to Brazil in the early 16th century, when Franciscan missionaries and traders brought plants from the West African coast and established them along the Brazilian coastline. The country proved extraordinarily receptive: its warm, humid climate, rich soils, and enormous geographic range allowed the banana to proliferate in ways unmatched almost anywhere else. By the 19th century Brazil had become one of the world's largest banana producers, with more than five hundred distinct varieties grown across its regions (from the tiny and intensely sweet banana-da-terra of the northeast to the starchy, plantain-like varieties of the interior. The banana wove itself into every level of Brazilian cookery, from street food to formal sweets. Minas Gerais is Brazil's great kitchen state. Landlocked in the country's interior, it developed a cuisine of profound simplicity and resourcefulness) a cooking philosophy centred on pantry ingredients, open wood fires, cast-iron pans, and the belief that patience and technique are worth more than expensive components. Mineiro cooking produced some of Brazil's most beloved dishes: pão de queijo, feijão tropeiro, frango com quiabo, and a tradition of bolos (cakes) that transformed humble produce into something deeply satisfying. The Mineiro bolo de banana is an upside-down cake in the most literal sense. A layer of butter and brown sugar is melted directly in the baking tin, ripe banana halves are arranged cut-side down over this caramel base, and then a simple sponge batter is poured over everything. During baking, the banana slices sink gently against the caramel, absorbing its flavour and colour. When the hot cake is inverted onto a plate, the caramelised bananas form the top crust (sticky, fragrant, and burnished to a deep amber. This inversion technique is considered the Mineiro approach and is widely regarded as superior to the more common method of folding mashed banana into the batter. The textural contrast it produces) a soft, lightly spiced sponge beneath a layer of dense, caramelised fruit: is the mark of the dish done properly. Bolo de banana appears in every padaria (bakery), at every family table, and at birthday celebrations throughout the state. It is eaten warm, at room temperature, and cold from the refrigerator the next morning, where it tastes equally good at every temperature.

Ingredients

Caramel Base

  • 40 g unsalted butter
  • 80 g light brown sugar

Banana Layer

  • 4 very ripe bananas, peeled and halved lengthwise

Cake Batter

  • 120 g unsalted butter, softened to room temperature
  • 150 g caster sugar
  • 3 large eggs, at room temperature
  • 1 tsp vanilla extract
  • 200 g plain flour
  • 2 tsp baking powder
  • 1 tsp ground cinnamon
  • pinch fine salt

Method

  1. Preheat oven to 180°C (160°C fan / 350°F). Use a round 24cm cake tin with fixed (non-removable) base, or a heavy ovenproof skillet of similar diameter. Do not use a springform tin: the caramel will leak.
  2. Make the caramel base: place the butter and brown sugar directly in the cake tin. Set the tin over low heat on the stovetop (or place in the preheated oven for 5–8 minutes) and heat, stirring gently, until the butter melts and the sugar dissolves into a smooth, bubbling amber caramel. Remove from the heat.
  3. Arrange the banana halves, cut-side down, in a single layer over the caramel. Pack them closely together: they will shrink slightly during baking. Set the tin aside.
  4. In a large bowl, beat the softened butter and caster sugar together with an electric mixer or wooden spoon until pale, light, and fluffy: about 3–4 minutes with an electric mixer.
  5. Add the eggs one at a time, beating well after each addition. Add the vanilla extract and beat to combine. The batter may look slightly curdled at this point: this is normal and will come together when the flour is added.
  6. Sift the flour, baking powder, cinnamon, and salt into the bowl. Fold in gently with a large spoon or rubber spatula, using slow, circular motions, just until the batter is smooth and no dry streaks of flour remain. Do not beat.
  7. Spoon the batter carefully over the arranged banana halves. Spread it gently and evenly to the edges of the tin using the back of a spoon or a small offset spatula, taking care not to disturb the banana layer beneath.
  8. Bake in the centre of the preheated oven for 35–40 minutes until the cake is deep golden brown, pulls slightly away from the edges of the tin, and a skewer inserted into the centre of the sponge (not into a banana) comes out clean.
  9. Remove from the oven and allow to cool in the tin for exactly 10 minutes: no longer. Run a thin knife around the inside edge of the tin to loosen the cake. Place a large plate or serving board firmly over the tin, then invert in one confident, decisive motion. Hold the plate and tin together and give one firm downward shake if needed. Lift the tin away.
  10. Serve warm, cut into wedges. The caramelised banana top should be glossy, deeply fragrant, and slightly sticky against the soft sponge beneath.

Notes

The caramelised base is the defining feature of the Mineiro style: do not fold the bananas into the batter, which is a different and lesser cake. Use only very ripe bananas; the blacker and softer, the better the flavour. The cake is excellent warm, at room temperature, and cold from the refrigerator the following morning. It keeps covered at room temperature for two days, or refrigerated for up to four days. A light dusting of icing sugar or a spoonful of sour cream alongside is optional but not unwelcome.

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