Decorating Cakes With Icing Flowers. They can be made 6 months in advance, as long as you store properly away from sunlight and moisture at room temperature. I am making my daughter's 1st birthday cake in about a month.

Even if you aren't eating the actual flowers, just contact with the buttercream you will eat could be dangerous, so it's best to. They can be made 6 months in advance, as long as you store properly away from sunlight and moisture at room temperature. To crystallise, lightly whisk an egg white.

How to decorate cupcakes with a beautiful hibiscus flower.

Decorating Cakes With Icing Flowers. Flowers like hydrangeas and baby's breath, while popular in bouquets, are actually toxic. And the same goes for writing with royal icing. Choose your favourite edible flowers or use them to decorate as they are or crystallise them. But, even simply pressing their petals into the icing can create an elegant appearance that has the look of.