01 -
Preheat oven to 350°F (175°C). Coat a 13×9-inch metal baking pan with nonstick spray or homemade cake release.
02 -
In a large mixing bowl, beat softened butter and granulated sugar together at medium-high speed for 5 minutes, until light and fluffy.
03 -
Add eggs, one at a time, mixing after each addition. Blend in vanilla extract until well incorporated.
04 -
In a separate bowl, whisk together flour, cocoa powder, baking powder, baking soda, and salt until evenly distributed.
05 -
Gradually add the dry mixture to the creamed butter mixture in three additions, alternating with whole milk and hot coffee. Begin and end with dry ingredients. Mix gently until just combined; do not overmix.
06 -
Pour batter into prepared pan and smooth the top. Bake for 32–36 minutes, or until a toothpick inserted in the center emerges clean.
07 -
Let the cake cool fully in the pan set over a wire rack before proceeding with frosting.
08 -
In a large bowl, beat softened butter until smooth. Mix in marshmallow fluff until creamy. Gradually add powdered sugar and vanilla extract, beating until the frosting is light and spreadable.
09 -
Place shredded coconut in a bowl. Add several drops of pink food coloring and mix thoroughly with a spoon until tinted evenly throughout.
10 -
Spread marshmallow frosting evenly over cooled cake. Sprinkle pink coconut generously over the top, pressing lightly to help it adhere.