Royal icing is a classic confection used for decorating cookies, cakes, and other pastries. Known for its smooth, glossy finish that hardens as it dries, it’s the gold standard for intricate piping, creating designs, and securing gingerbread houses.

The combination of egg whites and sugar forms a stable base, while cream of tartar enhances stability and elasticity, ensuring perfect results every time.

The term “royal icing” gained prominence in the 17th and 18th centuries when elaborate sugar decorations became a mark of wealth and sophistication in European courts. One of the most famous historical associations is with the wedding cake of Queen Victoria and Prince Albert in 1840. The cake was adorned with intricate, pure white icing, which symbolized purity and elegance. The use of this icing for the royal wedding popularized its association with the monarchy and gave rise to its name.

Today, royal icing continues to exude elegance, making it a timeless favorite for weddings, holidays, and any occasion requiring intricate cake and cookie decorations. Its name serves as a reminder of its storied past as a dessert fit for kings and queens!

What you will need:

Ingredient	Measure
Confectioner’s Sugar	250g
Room Temp Egg Whites	45g (approximately 1.5 large eggs)
Cream of Tartar	0.13g (a pinch, about 1/8 tsp)
Water	As needed
Food Colouring	As needed

Time Required

Preparation time: 10-15 minutes
Resting time: Optional, 15 minutes (to let air bubbles rise and dissipate)

Nutrition Profile / 100g

Calories 392 kcal
Protein 3.4 g
Total Fat 0.1 g
Sodium 5 mg
Saturated Fat 0.03 g
Carbohydrates 95 g

Equipments:

• Digital Scale
• Stand mixer or hand mixer with whisk attachment
• Mixing bowl (preferably glass or metal for optimal whipping of egg whites)
• Fine mesh sieve (to sift confectioner’s sugar)
• Rubber spatula
• Piping bags and tips (if decorating)
• Damp kitchen towel (to prevent the icing from drying out)

Instructions:

Prepare the Ingredients:

• Sift confectioner’s sugar into a mixing bowl to remove lumps for a smooth finish.
• Carefully separate the egg whites from the yolks.
• Ensure no yolk contaminates the whites, as this can prevent proper whipping.

Combine the Ingredients:

• Start by mixing the egg whites with the cream of tartar till fully incorporated.
• In a clean mixing bowl, add the confectioner’s sugar and add the egg whites in one corner.
• Now start to whisk the egg whites while you mix in the nearby sugar little by little. (Learned this from a tasty video and it is by far the best way to ensure there are no bubble)
• Continue to mix in small amounts of the nearby sugar into the egg whites as you slowly whisk, till all of the sugar is incorporated.

Adjusting Consistency

• Once the mixture reaches a thick, glossy consistency you can now adjust the consistency.
• To get a stiffer consistency, add small amounts of sugar and mix.
• To get a thinner consistency for flooding, add water drop by only to adjust.
• Let the icing rest for 10–15 minutes to allow any air bubbles to rise to the surface. Gently stir to eliminate bubbles before use.

Applications:

• Decorating: Use piping bags with various tips to create intricate patterns, borders, and lettering on cookies or cakes.
• Flooding Cookies: Thin the icing with a few drops of water or lemon juice for a runnier consistency, perfect for flooding cookie surfaces.
• Structural Work: For assembling gingerbread houses, use stiff royal icing to act as edible glue.

My Tips:

• Use pasteurized egg whites or powdered egg white substitutes for food safety and extended shelf life.
• Cover the bowl with a damp cloth when not in use to prevent the icing from hardening prematurely.
• Adjust the thickness of the icing by adding small amounts of water (to thin) or confectioner’s sugar (to thicken).
• Add gel-based food coloring for vibrant hues. Avoid liquid food colors, as they may alter the icing’s consistency.
• Allow the icing good amount of time to dry or you will risk smudging the designs.
• Add a few drops of vanilla, almond extract, or citrus juice for flavor enhancement. Adjust the liquid balance if necessary.
• For vegan option, replace egg whites with aquafaba (chickpea water) in a 1:1 ratio.

Troubleshooting Guide:

Issues	Possible Cause	How to fix it
Icing is too runny	Too much liquid or under-whipped	Add more sifted confectioner’s sugar and whip further.
Icing is too thick	Insufficient liquid	Gradually add a few drops of water and stir gently.
Icing cracks when it dries	Overly thick application	Apply thinner layers or adjust consistency.
Air Bubbles in Icing	Over-mixed or insufficient resting	Let icing rest before use and stir gently to deflate.
Lack of gloss	Insufficient whipping	Whip longer to achieve a glossy, stiff consistency.

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