FOR CHOCOLATE BASE:
½ cup (1 stick) unsalted butter, plus more for pan
½ cup sugar
¼ teaspoon salt
1 large egg
¼ cup unsweetened cocoa powder
¼ cup all-purpose flour (spooned and leveled)
FOR COCONUT TOPPING:
2 large eggs
¾ cup sugar
½ teaspoon vanilla extract
1 cup all-purpose flour (spooned and leveled)
1 package (7 ounces) sweetened shredded coconut; ½ cup reserved for sprinkling |