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A horizontal photo of American Flag Heart decorated cookies on a square white plate with a red and white checked napkin underneath.
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5 from 5 votes

Royal Icing for Decorating American Flag Heart Sugar Cookies

This royal icing is not too sweet with a light almond flavor. Once dry, it doesn't become rock hard which makes it perfect for cookie decorating.
Prep Time10 mins
Cook Time0 mins
Course: Dessert
Cuisine: cookie decorating, Cookies
Servings: 2 cups
Calories: 151kcal


  • 2 pounds confectioners sugar
  • ¼ cup meringue powder
  • 2 tablespoons light corn syrup
  • teaspoon pure almond extract
  • warm water
  • gel food color, red and blue


  • Add the sugar, meringue powder, corn syrup, and almond extract into a large bowl. 
  • Slowly add warm water to the sugar mixture and blend on low speed until you've reached your desired consistency. Adding more water will make it thinner and less water will keep it thicker.
  • Place the royal icing in an airtight container with a tight-fitting lid. No need to refrigerate.


Tools and equipment;
stand mixer or hand mixer, large bowl, measuring cups, measuring spoons, many smaller bowls for mixing colors, gel food color, spoons, parchment triangles, ziptop bags, or piping bags, large bowl with tight-fitting lid (for storage), parchment paper and baking sheets, small squeeze bottle (optional) for adding water to the icing.
For the outlining and details, a thicker consistency icing is required.
For flooding, a thinner consistency icing is required.
I always like to keep a thicker AND thinner icing (in premixed colors) handy. Then, as needed I can thin the thicker icing should I need additional flooding icing.


Serving: 0.5cup | Calories: 151kcal | Carbohydrates: 39g | Protein: 0g | Fat: 0g | Saturated Fat: 0g | Cholesterol: 0mg | Sodium: 1mg | Sugar: 38g | Iron: 0mg