Decorating With Candy Day

What the day is

Decorating With Candy Day is observed on February 1. Sugar is unusual among foods in being a genuine construction material, and the techniques are worth knowing before the next attempt collapses.

Origin and background

The adhesive that holds decorated work together is royal icing: egg white beaten with powdered sugar, sometimes with a little acid. It differs from other icings in that it dries hard rather than staying soft, setting into a rigid, brittle bond that takes weight. This is why gingerbread houses are assembled with it and why buttercream fails at the same job, staying plastic and letting walls slide.

The consistency is adjusted by water and is usually described in terms of seconds: a stiff mix holds a piped line and is used for outlines and joins, while a thinner mix flooded inside those outlines settles level and dries flat. Decorators time how long a knife-drawn line through the surface takes to disappear, which is a more reliable measure than any recipe quantity.

The other structural material is melted sugar, which can be poured into molds and sets into a transparent glass. Poured into window openings it makes the stained-glass panes in gingerbread walls, using crushed boiled sweets that melt and re-set in the oven.

Two practical constraints govern all of it. Humidity is the enemy, softening both royal icing and sugar glass, so damp kitchens produce sagging work. And everything needs far longer to dry than people allow, with joins wanting hours rather than minutes before the next piece goes on.

Anyone using raw egg white should use pasteurized whites or meringue powder, particularly if children or vulnerable people will eat it.

How to take part

• Use royal icing for anything structural, and buttercream for nothing structural.
• Let joins dry for hours before adding weight to them.
• Mix two consistencies, stiff for outlines and thin for flooding.
• Melt crushed boiled sweets in cut-out windows for translucent panes.
• Work on a dry day, and use pasteurized egg white.