- Heating the frosting in small increments activates the black food gel and deepens the color. Read the blog post above the recipe card for more tips on how to intensify the shade of your frosting using both time and heat - they’ll help your frosting become a nice, dark shade.
- When you're ready to use the frosting, it will likely feel very thick. Cocoa is a drying agent, and so your buttercream will almost certainly need more moisture. Pour in a few tablespoons of heavy cream or milk at a time, whipping your frosting by hand, until it has a spreadable consistency. Then add it to your piping bag!
- This recipe creates about six cups of frosting, which comfortably fills and coats a three-layer, six-inch cake. Reduce or increase as needed.
The nutritional values are approximate and can vary depending on the specific brands and measurements used. Below is the nutritional analysis for the black buttercream frosting, which makes roughly 12 servings.