This royal icing recipe is an easy decorating icing made with 4 cups of sifted powdered sugar, 3 tablespoons of meringue powder, and 6 tablespoons of warm water, with optional vanilla or almond extract. It takes about 10 minutes, makes about 2½ cups, and dries smooth and firm on sugar cookies, with no raw egg whites and no corn syrup.
The key is beating it to stiff peaks first, then thinning only the portion you need. Straight from the mixer it is thick enough for piping borders and details. Add water 1 teaspoon at a time and the same icing turns into a flood consistency that flows like honey. One batch covers outlining, flooding, and fine detail.
Following a special diet?
Every recipe on this site can be converted to gluten-free, vegan, dairy-free, keto, nut-free or egg-free with adjusted ratios so nothing falls flat.
Try the Recipe Converter →Royal Icing Ratios in One Look
- Makes: about 2½ cups of icing
- Time: about 10 minutes, including 5 to 7 minutes of beating
- Ratio: 4 cups (480 g) powdered sugar, 3 tablespoons meringue powder, 6 tablespoons warm water
- Piping consistency: use it as mixed, thick and glossy with stiff peaks
- Flood consistency: add water 1 teaspoon at a time until a ribbon disappears into the bowl within about 10 seconds
- Storage: 2 days at room temperature or 1 week in the fridge, with plastic wrap pressed on the surface
Why Meringue Powder Instead of Raw Egg Whites
Meringue powder is the reason this is an easy royal icing. It is dried egg white with stabilizers, so it gives the same structure as fresh whites without the food safety worry of serving raw egg. It also keeps for days once mixed, which matters when you decorate over a weekend.
I have made royal icing both ways. Fresh egg whites whip a little faster and give slightly shinier peaks, but they have a shorter shelf life. I once had an egg white batch collapse after sitting overnight. Meringue powder whips a bit slower and behaves the same every time, which is why most cookie decorators use it. Powdered egg whites behave similarly, though I find meringue powder more forgiving.
Four Ingredients and the Job Each One Does
Powdered sugar is the body of the icing. I always sift it, even when I am short on time, because one hard clump can block a small piping tip halfway through a line. Brands differ, too. In my notes, Domino powdered sugar gives me the most reliable results, while some generic brands with more cornstarch have dried with tiny cracks.
Warm water dissolves the sugar and meringue powder smoothly. Cold water slows everything down and can leave small lumps that never disappear. Extracts are optional, but they must be oil free, because fat breaks down the icing structure. Clear vanilla keeps the icing bright white, and almond extract adds a light nutty note that suits buttery cutout cookies such as my Christmas tree sugar cookies.
How to Make Royal Icing for Cookies
Sift the powdered sugar into a large bowl. In the bowl of a stand mixer fitted with the paddle, or with a hand mixer, mix the meringue powder and warm water on low for about 1 minute, until foamy.
With the mixer still on low, add the sugar gradually until no dry patches remain. Then turn the speed up to medium high and beat for 5 to 7 minutes. The icing turns thick, bright white, and glossy, and it holds a stiff peak when you lift the paddle. If you are using extract, add it during the last minute.
Keep every bowl and tool completely free of grease. Even a trace of butter on a spatula can stop royal icing from whipping up properly, so wash the bowl well if you just made a vanilla buttercream frosting in it.
How Thick Should Royal Icing Be for Piping and Flooding?
Think of one batch in three textures. For piped flowers, rosettes, and anything that has to stand up, beat the icing a little longer so it is very stiff. For outlining cookies, piping borders, writing, and dots, use it exactly as it comes out of the mixer. It should hold a line without spreading.
For flooding, scoop some into a separate bowl and stir in water 1 teaspoon at a time. Drag a spoon through it or drizzle a ribbon back into the bowl. When the line disappears within about 10 seconds, it is ready. Thinner than that, and it runs over the outline. Once I rushed this step and the icing pooled straight over the edge of the cookie, so now I always test before filling a bag.
Outline first, let the border set for a few minutes, then flood inside it and nudge the icing into the corners with a toothpick. The same outline and flood method works for gingerbread man cookies and Halloween sugar cookies.
Coloring and Drying Your Decorated Cookies
Use gel food coloring. Liquid colors add water, thin the icing, and can make flood icing runny. Start with a toothpick dip of gel and build slowly. Deep red, black, and dark green get darker as they sit, so mix them a little lighter than you want and let them rest before judging.
Let flooded cookies dry uncovered at room temperature, ideally overnight, before stacking or bagging them. The surface sets first, but the icing underneath stays soft for hours, and a humid kitchen slows it further. Once fully dry, the icing is firm enough to stack and pack, which makes decorated cookies easy to give as gifts. My Christmas cookie packaging ideas are a good next step once they are dry.
When Royal Icing Misbehaves
- Icing is too runny: too much water went in. Beat in a few spoonfuls of sifted powdered sugar until it thickens again.
- Icing will not reach stiff peaks: grease got into the bowl or the icing was not beaten long enough. Use a clean, dry bowl and give it the full 5 to 7 minutes.
- Lumps clog the tip: the sugar was not sifted, or a crust formed in the bowl. Sift every time and keep the icing covered.
- Crust on the surface: the icing sat uncovered. I once left a batch open for 15 minutes and the crust changed the texture completely. Press plastic wrap right onto the icing whenever you step away.
- Colors look streaky: liquid coloring or unsifted sugar. Switch to gel and mix until the color is even.
- Icing tastes flat: add the optional vanilla or almond extract, oil free only.
Royal Icing vs Other Cookie Icings
Royal icing dries the firmest and holds sharp piped lines, so it is the one for detailed sugar cookies, stacking, and building. For a gingerbread house, my gingerbread house icing is made to act as glue.
If you would rather skip meringue powder, my sugar cookie icing that hardens uses milk and corn syrup and sets with a soft shine and a gentler bite. A simple powdered sugar icing is better for drizzling than for detail, and sugar cookie frosting stays soft for spreading on cookies kids decorate with sprinkles.
Keeping a Batch Fresh
Air is the enemy of royal icing because it forms a crust within minutes. Press plastic wrap directly onto the surface, then seal it in an airtight container. It keeps for up to 2 days at room temperature or up to 1 week in the fridge. Before using it again, re-whip it gently and the shine comes back. If it has thickened, add a few drops of water while stirring.
Cookie Decorators Ask
How do you make royal icing with meringue powder?
Mix 3 tablespoons of meringue powder with 6 tablespoons of warm water until foamy, add 4 cups of sifted powdered sugar on low, then beat on medium high for 5 to 7 minutes until glossy with stiff peaks.
What is the easiest royal icing recipe for sugar cookies?
This one. It uses only powdered sugar, meringue powder, and warm water, needs no raw egg whites or corn syrup, and one batch is thinned to make both outline and flood icing.
Can I add corn syrup to royal icing?
This recipe does not use it and dries firm without it. Some decorators add a little light corn syrup for a softer bite and extra shine, but it also makes the icing slower to dry.
How long does royal icing take to dry?
The surface sets fairly quickly, but flooded cookies should dry uncovered at room temperature overnight before you stack or package them.
Can you use royal icing on cupcakes or cakes?
Yes, for piped decorations, flowers, and lettering, since it dries hard. To frost the whole cake or cupcake, a soft frosting such as Swiss meringue buttercream is a better choice.
Can I make royal icing ahead of time?
Yes. With plastic wrap pressed on the surface it keeps 2 days at room temperature or 1 week in the fridge. Re-whip it before piping.
Plan Your Next Decorating Day
This easy royal icing with meringue powder is the batch I return to every holiday season, from Christmas cookies to birthday trays. Pin it to your cookie decorating board so the ratio is close at hand, and if you try it, tell me in the comments how your cookies turned out.
Royal Icing Recipe
This royal icing recipe is an easy decorating icing made with powdered sugar, meringue powder, warm water, and optional vanilla or almond extract. It is ready in about 10 minutes and makes about 2½ cups of thick, glossy icing that dries smooth and firm, with no raw egg whites and no corn syrup. The meringue powder and warm water are whipped until foamy, then the sugar is beaten in for 5 to 7 minutes until stiff peaks form, so the icing holds sharp lines. Use it as mixed for piping borders and details, or thin it with water 1 teaspoon at a time into flood icing for sugar cookies, gingerbread, and holiday cookies. Tint it with gel coloring. It keeps 2 days at room temperature or 1 week in the fridge.
Ingredients
- 4 cups (480g) powdered sugar, sifted
- 3 tablespoons meringue powder
- 6 tablespoons warm water
- 1 teaspoon vanilla extract or almond extract, optional (must be oil-free)
- Gel food coloring, optional
Instructions
- SIFT THE POWDERED SUGAR: Place the powdered sugar in a fine-mesh sieve and sift it into a large mixing bowl to remove any clumps. This step helps create a smooth icing texture without lumps.
- MIX MERINGUE POWDER AND WATER: In the bowl of a stand mixer fitted with a paddle attachment (or using a hand mixer), combine the meringue powder and warm water. Mix on low speed for about 1 minute until the mixture becomes foamy.
- ADD THE SUGAR: With the mixer on low speed, gradually add the sifted powdered sugar. Mix until fully incorporated and no dry patches remain.
- BEAT UNTIL STIFF PEAKS FORM: Increase the mixer speed to medium-high and beat the mixture for 5 to 7 minutes. The icing should become thick and glossy and form stiff peaks when you lift the paddle or beaters. If adding vanilla or almond extract, add it during the last minute of mixing.
- ADJUST CONSISTENCY: Use the icing as is for piping borders and details. To thin it for flooding cookies, add water 1 teaspoon at a time and stir until it flows smoothly like honey. For stiffer applications like piped flowers, beat a little longer to firm up the texture.
Notes
Sift the powdered sugar so no lumps block the piping tip. For outlining and piping, use the icing as mixed; for flooding, add water 1 teaspoon at a time until a ribbon sinks back into the bowl within about 10 seconds. Use gel food coloring, not liquid, and only oil-free extracts. Keep bowls and tools free of grease. Store in an airtight container with plastic wrap pressed directly on the surface for up to 2 days at room temperature or up to 1 week in the refrigerator, then re-whip before using.
Nutrition Information
Yield
1Serving Size
1Amount Per Serving Calories 210Total Fat 0gSaturated Fat 0gTrans Fat 0gUnsaturated Fat 0gCholesterol 0mgSodium 27mgCarbohydrates 47gFiber 0gSugar 46gProtein 1g
