chocolate pearls, chocolate shavings, or chocolate sprinkles (optional)
2 tbsp. all-purpose flour
1 tbsp. unsalted butter, at room temperature
2 cups powdered sugar
1/4 cup whole milk
1 vanilla bean
1 cup semisweet chocolate chips
1 cup buttermilk
2 3/4 cups all-purpose flour
1/2 tsp. kosher salt
1 tsp. baking soda
1 tsp. baking powder
4 large eggs, at room temperature
2 tsp. vanilla extract
1 cup unsalted butter, at room temperature
2 cups granulated sugar
1/2 tsp. vanilla extract
1/4 cup mild-tasting honey
1/2 cup freshly brewed strong hot coffee
1/2 cup natural cocoa powder
1/2 cup granulated sugar