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dirty coconut chai tres leches cake

The softest sponge cake soaked in a chai-spiced triage of milks, robed in two flavors of soft whipped cream.
Prep Time 20 minutes
Cook Time 25 minutes
Chilling Time 4 hours
Total Time 4 hours 45 minutes
Course Dessert
Cuisine Mexican

Ingredients
  

  • 1 cup whole milk
  • 3 chai tea bags
  • 5 eggs, at room temperature
  • 3/4 cup + 1/4 cup sugar
  • 2 tsp vanilla extract
  • 1 cup all purpose flour
  • 1 tsp baking powder
  • 1/4 tsp kosher salt
  • 2 tsp ground cinnamon, plus more for dusting
  • 2 tsp instant espresso

glaze

  • 1 can sweetened condensed milk
  • 2/3 cup canned full fat coconut milk
  • 1/3 cup chai-infused milk
  • 2 tbsp coconut rum (optional)

whipped sweet cream

  • 1 1/2 cups heavy whipping cream
  • 1/4 cup powdered sugar
  • 1 tbsp instant espresso

Instructions
 

  • Preheat oven to 350 degrees. Butter a 9 x 9 inch square cake pan.
  • Warm the whole milk until steaming. Steep the chai tea bags for 10 minutes (or longer). Gently squeeze any milk stuck in the mesh. Discard.
  • Separate the egg yolks and whites into separate bowls.
  • Beat the egg yolks with 3/4 cup of sugar until creamy and bright yellow, then add the vanilla and 1/3 cup of chai milk. Beat in the flour, baking powder, cinnamon, espresso, and salt until thick.
  • In the second bowl, whip on high speed the egg whites until soft peaks form, about 1-2 minutes. Sprinkle in the remaining 1/4 cup sugar and beat vigorously until stiff peaks form, another 3-4 minutes.
  • Add a couple spoonfuls of the egg whites into the yolk batter and fold gently with a spoon or spatula. Then swirl in the remaining egg whites until combined. Pour the batter into the prepared baking dish. Bake 25-30 minutes until no longer jiggly and a toothpick inserted in the center emerges clean. Let cool 10-15 minutes.
  • In a bowl, whisk together the remaining chai milk, sweetened condensed milk, coconut milk, and rum (if using). Poke a butt-ton of holes in the cake with a skewer or a fork. Pour the glaze evenly over the cake. Some will seep out the bottom and into the sides of the pan. Cover the cake and refrigerate at least 3 hours, and up to 3 days in advance.
  • Very soon before serving (no more than 2 hours), beat the heavy cream and powdered sugar until smooth with stiff peaks, about 4-5 minutes. Divide the cream in half, and into one fold in the instant coffee dissolved in 1 tablespoon of hot water. This step is optional, but tasty.
  • Plop spoonfuls of each whipped cream onto the chilled cake and spread, swirling to make cool patterns. Finish with a generous dusting in cinnamon. Slice and serve immediately.

Notes

*To store: Leftover tres leches keeps covered in the fridge for up to 3 days. After this, I find the whipped cream starts to lose its structure and seeps into the cake.
Keyword cake, chai, cinco de mayo, coconut, desserts, holidays, sheet cake, sponge cake, spring, tres leches