Royal Icing sounds fancy, but it’s actually super simple to make. This version uses meringue powder to help it set up, powdered sugar to keep it thick, and a little vanilla for flavor. It dries quickly, is easy to pipe, and works great for decorating cookies or doing more detailed designs.
Your Sugar Cookies Deserve This Royal Icing
This royal icing mixes up in five minutes, pipes cleanly, and dries to a glossy, firm finish that won’t smudge, so it’s great for cut-out cookies and detailed decorating.
This is the frosting I use when I want to be able to stack the cookies without smearing the frosting or when I want to pipe on designs. If I just want a sweet icing to swirl on top, I’ll make frosted sprinkle cookies.
Unlike other versions that rely on raw egg whites, this frosting uses meringue powder, which makes it more stable and food-safe. You don’t have to worry about separation or graininess, and it’s easy to adjust the consistency depending on whether you’re outlining or flooding cookies.
The icing actually tastes good, too. The vanilla rounds out the sweetness, and the texture stays crisp without turning rock hard. You can make it ahead, tint it with gel food coloring, and whisk it back to life straight from the fridge.
The Short List for Glossy, Pipeable Cookie Icing
You only need 3 ingredients to make this homemade icing. Don’t forget to check the recipe card for all the measurements.
- Meringue powder: Adds stability and gives the icing its classic smooth finish. Unlike egg whites, it’s shelf-stable and easier to work with for consistent results. It can be hard to find depending on your location. But you can order meringue powder and it lasts a long time.
How to Make Royal Icing for Sugar Cookies
Step One: Combine the Dry Ingredients
Step Two: Add Liquids and Whip
Royal icing doesn’t have to be intimidating, and this version proves it. With meringue powder for stability and just a hint of vanilla, you get a smooth icing that pipes neatly, dries with a pretty sheen, and holds up to stacking. Whether you’re outlining, flooding, or adding tiny details, this is the kind of icing that makes decorating easy.
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Ingredients
- 4 ½ cups powdered sugar
- 3 tablespoons meringue powder
- ½ cup water
- 1 teaspoon vanilla
Instructions
- Add powdered sugar and meringue powder to the bowl of a stand mixer with the whisk attachment. Whisk to combine. Add the water and vanilla and whisk on high for 2 minutes until smooth and slightly thick. If it is too thick add more water, too thin, continue to whip as it will get thicker the longer you whip or add a little more powdered sugar.
- If not using right away, refrigerate and whisk it before using.
Notes
- Store in an airtight container in the refrigerator for up to 1 week. Re-whisk before using to restore smoothness and add a little milk if needed to thin it.
