2. Orange
A bold, orange flavor can be a fresh flavor for a summer birthday or a tasty finale to a summer picnic. It can also brighten up the gloomy winter months. Orange is a bold flavor, and complements a mild and delicate cake the best, although it can be an interesting topping for chocolate cake since chocolate and orange go well together. There are many ways you can add orange flavor to buttercream frosting.
The most obvious may be to add orange juice, but it is not necessarily the best method since it can disrupt the texture of your frosting and make it too runny. To counteract this, you can add more powdered sugar to absorb the extra liquid from the orange juice. You may want to add frozen orange concentrate to add more flavor and slightly less liquid. Orange liqueurs, such as Grand Marnier, and a full-bodied flavor to your frosting.