Thai Tea Coffee Cake

Thai Tea Coffee Cake

A rich, orange-colored beverage made from strongly brewed black tea served over a tall glass of ice, Thai tea often gets its creamy taste and alluring ombré appearance from sweetened condensed milk. We’ve put a spin on this popular drink, creating this Thai Tea Coffee Cake, by using fragrant Thai tea to flavor the delicate batter. With a crunchy spiced streusel and a final drizzle of sweetened condensed milk, Thai tea lovers will be trading in their straws for a fork.

Thai Tea Coffee Cake
Makes 1 (9-inch) cake
  • ½ cup (120 grams) whole buttermilk, plus more if needed
  • 2½ tablespoons (12 grams) Thai tea mix
  • ½ cup (150 grams) sweetened condensed milk, plus more for drizzling
  • ¼ cup (57 grams) unsalted butter, melted
  • 2 large eggs (100 grams), room temperature
  • 3 tablespoons (42 grams) vegetable oil
  • 1½ teaspoons (6 grams) vanilla extract
  • 1½ cups (188 grams) all-purpose flour
  • 6 tablespoons (72 grams) granulated sugar
  • 1½ teaspoons (7.5 grams) baking powder
  • ¾ teaspoon (2.25 grams) kosher salt
  • Spiced Streusel (recipe follows)
  1. In a small microwave-safe bowl, heat buttermilk on high in 10-second intervals, stirring between each, until warm (120°F/49°C to 130°F/54°C). (Be careful not to overheat buttermilk.) Stir in tea; let stand for 5 minutes. Using a fine-mesh sieve, strain buttermilk mixture into a small glass liquid-measuring cup; discard solids. Add additional buttermilk, if necessary, to yield ⅓ cup (80 grams) buttermilk mixture. Let cool to at least 80°F (26°C) before using.
  2. Preheat oven to 325°F (170°C). Spray a light-colored metal 9-inch springform pan with baking spray with flour. Line bottom of pan with parchment paper.
  3. In a medium bowl, whisk together cooled buttermilk mixture, condensed milk, melted butter, eggs, oil, and vanilla.
  4. In a large bowl, whisk together flour, sugar, baking powder, and salt. Gradually add flour mixture to buttermilk mixture, stirring just until combined. Pour and spread batter into prepared pan, smoothing with an offset spatula. Sprinkle Spiced Streusel on top, clumping and crumbling as desired.
  5. Bake until a wooden pick inserted in center comes out clean, 22 to 30 minutes, rotating pan halfway through baking. Let cool in pan for 10 minutes. Remove from pan. Serve warm or at room temperature. Drizzle with condensed milk just before serving.

Spiced Streusel
Makes about 1⅓ cups
  • ½ cup (63 grams) all-purpose flour
  • ⅓ cup (73 grams) firmly packed light brown sugar
  • ¼ teaspoon kosher salt
  • ¼ teaspoon ground cinnamon
  • 3 tablespoons (42 grams) cold unsalted butter, cut into ½-inch cubes
  1. In a medium bowl, stir together flour, brown sugar, salt, and cinnamon. Using your fingers, cut in cold butter until mixture resembles coarse crumbs. Crumble and clump with your hands until desired consistency is reached. Refrigerate until ready to use.


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