Orange Marbled Sponge Cake with Cocoa and Cinnamon (Keke Marmoleado)

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Steps

Assembly

1. 1
   Layer the batter for the marble effect: pour about half of the white batter into the pan and spread to the edges. Spoon most of the cocoa-cinnamon batter on top (reserve a small amount for the surface design). Pour the remaining white batter over to cover, then dollop the reserved dark batter on the top for a visible pattern.

   ~3 min
2. 2
   Drag a skewer (brocheta) through the batter in light, swirling motions — focus on the interior of the pan and don't overdo it. A few gentle passes are enough; over-mixing destroys the marble pattern. Tap the pan firmly on the counter once or twice to release trapped air bubbles.

   Tip: Less is more — the more you swirl, the muddier the marble becomes.

   ~1 min

Bake

1. 1
   Bake at 160-165 C (320-330 F) for 40 to 60 minutes, depending on your oven. Test for doneness by inserting a tester or toothpick into the center — when it comes out completely dry, the cake is done.

   Tip: Every oven is different. Powerful ovens may finish in as little as 40 minutes — start checking early.

   ~50 min

Cocoa Swirl

1. 1
   Mix the cocoa powder and ground cinnamon together. Separate one-quarter (max one-third) of the finished batter into another bowl and fold in the cocoa-cinnamon mix until uniformly dark. The cinnamon is the regional flourish that perfumes the swirl.

   ~2 min

Cool & Serve

1. 1
   Cool the cake upside down on a wire rack elevated by two spacers (e.g., chopsticks) so the top doesn't touch the rack and get marked. The gap also allows better airflow for even cooling.

   ~30 min
2. 2
   Once fully cool, release the edges with an offset spatula (or a round-tipped knife) and invert onto a plate. Serve with chocolate fudge sauce and chocolate chip ice cream — or with jam, or on its own.

   ~3 min

Dry Ingredients

1. 1
   Sift the cake flour, baking powder, powdered milk, and a pinch of salt together three times. Triple-sifting distributes the leavener evenly so the cake rises uniformly, and it aerates the dry mix. Use unprepared (plain) cake flour so you control the leavening yourself.

   Tip: Powdered milk gives the crumb a softer, less-dry feel and richer flavor.

   ~4 min

Meringue

1. 1
   Whip the egg whites in a clean bowl until they begin to foam. Add the sugar in two or three additions for a more homogeneous texture, then add the salt and white vinegar. Continue whipping to firm (but not over-whipped) peaks. The salt and vinegar stabilize the meringue so it won't collapse during baking.

   Tip: If the meringue loses its peak while you prep the rest, give it a quick re-whip to regenerate the texture.

   ~6 min
2. 2
   Fold the meringue into the yolk-flour batter in three additions, starting with about one-third to lighten the base. Use wide, sweeping (envolventes) folds — never stir or beat — to preserve the air. The first addition lightens the heavier base so the rest folds in without deflating.

   Tip: Make a lighter pre-mix first (yolk base + a bit of meringue) before folding into the total meringue mass — this keeps deflation to a minimum.

   ~4 min

Pan Prep

1. 1
   Prepare a 24 cm round flat-bottom pan: grease ONLY the base (not the walls) with butter, then line the base with parchment paper cut to size. Leaving the walls bare lets the batter cling and climb during baking, just like a chiffon cake — that's how you get maximum lift.

   Tip: You can substitute a tube/angel-food pan if you don't have a flat round pan.

   ~3 min

Yolk Batter

1. 1
   In a separate bowl, rub the orange zest into the sugar with your fingertips until the sugar is fragrant and slightly damp. This releases the essential oils and infuses the sugar with a much more intense orange aroma.

   Tip: Use only the colored outer zest, never the white pith underneath — the pith is bitter.

   ~2 min
2. 2
   Add the egg yolks to the orange-scented sugar and whisk to blanch. Stream in the fresh orange juice and a pinch of salt, whisking until the mixture pales and emulsifies. Add the orange juice (and other liquids) BEFORE the oil so the sugar can dissolve fully — fat slows down sugar dissolution.

   Tip: Choose juicing oranges over table oranges — they are less sweet but far more aromatic.

   ~4 min
3. 3
   Whisk in the vegetable oil until the mixture emulsifies, then add the vanilla extract and combine.

   ~2 min
4. 4
   Add the sifted dry mix to the yolk batter in two or three additions, folding gently between each addition to avoid lumps. If the yolk emulsion looks like it's separating, give it a light whisk to re-homogenize before continuing.

   ~3 min

Nutrition (per serving)

Giacomo Bocchio

POR QUE TU MARMOLEADO NUNCA QUEDA PAREJO - EL TRUCO QUE LO RESUELVE TODO

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