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Ultimate Royal Icing Recipe: Easy, Delicious, Homemade
This Famous Royal Icing is smooth, glossy, and easy to customize for beautifully decorated cookies. With a bright lemon flavor, reliable structure, and simple ingredients, it is a dependable choice for outlining, flooding, and adding detailed designs.
Prep Time: 40 minutes
Cook Time:
Total Time: 40 minutes
Servings: Floods about 24 cookies
Why Make This Recipe
- Simple ingredients: Meringue powder, powdered sugar, water, and a few flavoring ingredients create a dependable icing without raw egg whites.
- Easy to customize: Adjust the consistency for outlining, flooding, or detailed cookie decorations.
- Bright lemon flavor: Lemon extract or lemon juice powder adds a fresh taste that balances the sweetness.
- Great for special occasions: Use different food colors to decorate holiday cookies, birthday treats, wedding cookies, and more.
Ingredients
- 2 tbsp meringue powder
- 4 tbsp warm water
- 2 c powdered sugar
- 1 tbsp light corn syrup
- 2 tsp lemon extract (lemon juice powder is also a great ingredient to use here!)
- 1 tsp white food coloring (optional, but a very nice touch if you plan on using white icing for your designs!)
- Desired food coloring
- Additional water for thinning out the icing to flood consistency or more powdered sugar for thickening the icing
How to Make It
In a large bowl, make sure there is no grease or oil residue. Mix the meringue powder and 4 tbsp of warm water using a hand mixer on high speed. Continue mixing until the meringue powder is completely dissolved and the mixture is very frothy.
Add half of the powdered sugar. Mix on low until incorporated.
Add the other cup of powdered sugar along with the corn syrup and lemon powder or extract. Mix on low until combined, then switch the speed to high and mix for 2 minutes—no less. Taste the icing and add more lemon flavor if desired.
The icing should be thick and have a little more volume. It should hold a soft peak.
Once mixed, use a spatula to mix in the white food coloring or other colors as desired.
To thin out the icing, add ½ tsp of warm water at a time until the desired icing consistency is reached. For flood icing, aim for a consistency that settles in 15–20 seconds. Mix with the spatula to avoid adding more air bubbles. The entire batch can be made flood consistency, then stiffened with more powdered sugar in smaller batches as needed.
This step is optional but helps with air bubbles. Cover the bowl with plastic wrap and allow it to rest for 30 minutes. Most air bubbles will naturally release as the icing rests, giving you less trouble once the cookies are covered.
Decorate your cookies and allow them to dry uncovered overnight.
How to Serve It
- Use this icing to decorate sugar cookies, gingerbread cookies, shortbread cookies, or cut-out biscuits.
- Pair decorated cookies with coffee, tea, hot chocolate, or cold milk.
- Add colorful sprinkles, sanding sugar, or edible glitter while the icing is still wet for extra decoration.
How to Store It
Store leftover royal icing in an airtight container in the refrigerator. Press plastic wrap directly against the surface of the icing before sealing the container to help prevent it from drying out.
Before using refrigerated icing, allow it to come back to a workable consistency and stir it thoroughly with a spatula. Add a small amount of water if it has thickened too much, or add more powdered sugar if it has become too loose.
Royal icing can also be frozen in an airtight, freezer-safe container. Thaw it in the refrigerator, then bring it to a workable consistency and mix well before decorating. Avoid reheating royal icing, as heat can affect its texture and consistency.
Helpful Tips
- Make sure the mixing bowl and beaters are completely free from grease or oil, since residue can affect the icing’s structure.
- Add warm water gradually when thinning the icing. It is much easier to loosen thick icing than to correct icing that has become too thin.
- Mix with a spatula after adding water or food coloring to limit extra air bubbles.
- Let the icing rest for 30 minutes before decorating so many of the air bubbles can naturally rise and disappear.
- Allow decorated cookies to dry uncovered overnight for the most stable finish.
Optional Variations
- Replace the lemon extract with lemon juice powder for another bright lemon flavor.
- Use additional food coloring to create custom shades for holidays, parties, or themed cookie designs.
- For a classic white finish, include the white food coloring, especially when you want a bright base for cookie decorations.
Frequently Asked Questions
Can I use royal icing for both outlining and flooding?
Yes. Use thicker icing for outlines and details, then thin portions with additional water for flooding.
How do I make the icing thicker?
Add more powdered sugar in small amounts until the icing reaches the consistency you need.
How do I make the icing thinner?
Add ½ tsp of warm water at a time and mix with a spatula until the desired consistency is reached.
Why should the icing rest before decorating?
Resting the covered icing for 30 minutes allows most air bubbles to release, which can help create a smoother finish on decorated cookies.
How long should decorated cookies dry?
Allow the decorated cookies to dry uncovered overnight.
Royal Icing
This smooth and glossy royal icing is perfect for beautifully decorated cookies, featuring a bright lemon flavor and reliable structure for outlining, flooding, and adding detailed designs.
Ingredients
Main Ingredients
- 2 tbsp meringue powder
- 4 tbsp warm water
- 2 c powdered sugar
- 1 tbsp light corn syrup
- 2 tsp lemon extract Lemon juice powder can also be used.
- 1 tsp white food coloring Optional for white icing designs.
- to taste desired food coloring
- to taste additional water or powdered sugar For adjusting consistency.
Instructions
Preparation
- In a large bowl, ensure there is no grease or oil residue. Mix the meringue powder and warm water using a hand mixer on high speed until dissolved and frothy.
- Add half of the powdered sugar and mix on low until incorporated.
- Add the remaining powdered sugar, corn syrup, and lemon flavor. Mix on low until combined, then switch to high speed and mix for 2 minutes.
- Taste the icing and adjust lemon flavor if desired. The icing should be thick and hold a soft peak.
- Use a spatula to mix in white food coloring or other colors as desired.
- To achieve flood consistency, gradually add warm water, mixing with a spatula until desired consistency is reached.
- Optionally, cover the bowl with plastic wrap and let rest for 30 minutes to release air bubbles.
Decorating
- Decorate your cookies with the icing and allow them to dry uncovered overnight.
Notes
Store leftover royal icing in an airtight container in the refrigerator. Allow refrigerated icing to come to a workable consistency before use. It can also be frozen; thaw in the refrigerator.
