Chocolate Pecan Coconut Porter Cake Recipe | King Arthur Baking

Ingredients

• 1 1/2 cups (180g) King Arthur Unbleached All-Purpose Flour
• 1 teaspoon baking powder
• 1/4 teaspoon table salt
• 1/3 cup (28g) unsweetened cocoa, Dutch-process or natural
• 1/4 cup (57g) water, very hot
• 8 tablespoons (113g) unsalted butter, cold
• 1 ounce (28g) unsweetened baking chocolate
• 1 cup (198g) granulated sugar
• 2 large eggs, at room temperature
• 3/4 cup (170g) porter
• 3/4 cup (159g) light brown sugar, packed
• 1 tablespoon plus 2 teaspoons (25g) cornstarch
• 5 tablespoons (71g) porter
• 3 large egg yolks
• 5 tablespoons (71g) unsalted butter, cold
• 5 tablespoons (71g) milk, whole preferred
• 2 1/2 cups (283g) confectioners' sugar
• 1/2 teaspoon table salt
• 1 heaping cup (128g) chopped toasted pecans, divided
• 1 1/4 cups (75g) large-flake coconut, unsweetened, divided