Sugar Cookie Icing Recipe

Sugar Cookie Icing Recipe is a sweet homemade frosting that is made with just four ingredients and can be adapted to your favorite flavor and color. Be sure to check out my Sugar Cookie Decorating 101 for tips on decorating sugar cookies.

Sugar Cookie Icing Recipe

I love sugar cookies year-round, but they are especially popular around the holidays. It’s such a fun cookie to play around with. They are the perfect cookie for making into your favorite shapes and, of course, decorating! This icing recipe is an easy recipe to make and be as colorful and flavorful as you want it to be.

Icing Ingredients

Confectioners’ sugar: Be sure to sift the confectioners’ sugar (also known as icing sugar) before adding the other ingredients. This will remove any lumps that may be in the sugar.

Milk: Whole milk will give you the best consistency in the frosting. Amounts of milk may vary depending on seasonality.

Corn syrup: Light corn syrup is in the frosting recipe gives the frosting a glossy finish and adds a little more moisture to it.

Lemon juice: As with the milk, the amount of lemon juice added to the recipe will be determined by the temperature of your kitchen and the overall climate.

How to Make Sugar Cookie Icing

First, to make this sugar cookie icing, sift the confectioners’ sugar to remove any lumps. Next, add all the ingredients to a bowl, starting with the minimum amounts of milk and lemon juice. Use a spatula to combine the ingredients together. If you need a thicker frosting, say for outlining your cookies, add LESS milk, just a drop at a time.

What is the 10-Second Rule?

If you have already outlined your cookies and need to fill in or ‘spill’ your cookies, you can add more milk (as much as you would need) to make your frosting very runny. A great way to check the consistency of your frosting if you need to fill a cookie is to use the ‘ten-second rule’.

For this ten-second rule, run your spoon along the bottom of the bowl of frosting. You will want to be able to see the bottom of the bowl for at least a few seconds. If ten seconds pass and you can still see the bottom of the bowl you will need to add a little more milk.

Can You Stack Cookies with Glaze Icing?

Yes! Absolutely. After the icing dries it will stack beautifully, about 3 cookies high. It takes about 24 hours for the icing to dry depending on how thick your icing is.

Variations to Sugar Cookie Icing

• If you are using food coloring, be sure to use LESS milk. Most food colorings are liquid and can make your frosting runnier. If you are using gel food coloring, your milk quantity can remain the same.
• To add different flavors, you can add drops of vanilla extract, almond extract, lemon, etc. to flavor your frosting.
• If you want more shine, use more corn syrup and less milk.

How to Store Sugar Cookie Icing

I will often times store it in piping bags that have been sealed with a rubber band or twist tie. You can also store it in airtight containers in the refrigerator for up to a week. If you are using food coloring, I will often color the icing before storing, as you will see the “true” color after the icing settles.

I used this icing to make my Original Ugly Sweater Cookies. You can see how beautifully it sets and is firm enough to gently stack!

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