Description

This sophisticated marble cake uses olive oil and a precise cocoa blooming technique to create a moist, professional-grade crumb. The striking visual contrast and deep flavor profile make it a triumph of baking science and technique.

Ingredients

3 cups all-purpose flour
3/4 cup cocoa powder
2.5 cups granulated sugar (divided)
1/3 cup hot water
1 cup olive oil
5 large eggs (room temperature)
1 cup milk
2 teaspoons baking powder
1 teaspoon vanilla powder
1/2 teaspoon salt

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Instructions

Preheat oven to 350°F (175°C) and grease a Bundt pan thoroughly.
In a medium bowl, whisk cocoa powder, 1/2 cup sugar, and hot water into a smooth paste; set aside to cool.
Whisk together the flour, baking powder, vanilla powder, and salt in a separate bowl to aerate.
In a stand mixer with a whisk attachment, beat the remaining 2 cups of sugar and 5 eggs on medium-high for 3 to 5 minutes until pale and voluminous.
Slowly stream in the olive oil while the mixer is running to ensure a proper emulsion.
On low speed, add one-third of the dry ingredients, then half of the milk; repeat, ending with the final third of the dry ingredients.
Transfer 3 cups of the vanilla batter into the cocoa paste and whisk until thoroughly combined.
Layer the vanilla and chocolate batters in the pan and use a knife to swirl in a figure-eight pattern.
Bake for 50-60 minutes until an internal temperature of 205°F-210°F is reached. Cool in the pan for 10-12 minutes before inverting.

Notes

For the most consistent results, always use an oven thermometer to verify your temperature and weigh your ingredients in grams if possible. Using room temperature eggs is vital for the emulsification process with the olive oil, ensuring the cake rises properly and maintains its soft, even pore structure.

Prep Time: 20 mins
Cook Time: 55 mins
Category: Dessert
Method: Baking
Cuisine: American