If you love classic sugar cookies but want to take them to the next level, you absolutely must try this Sugar Cookie Icing Recipe. It’s the kind of icing that adds that perfect sweet glaze with a smooth texture that’s just right for decorating your cookies beautifully. Whether you’re planning for a holiday treat or just a fun baking session with friends, this icing recipe is easy, quick, and yields a glossy finish that will have everyone asking for your secret.

Ingredients You’ll Need
Getting this icing just right comes down to a handful of simple ingredients. Each one is essential in creating that smooth, glossy, and slightly sweet texture that complements sugar cookies without overpowering them.
- Powdered sugar: The base for the icing, powdered sugar ensures smoothness and sweetness without any graininess.
- Whole milk: Adds the necessary moisture to reach the perfect icing consistency, making it easy to spread or pipe.
- Light corn syrup: Gives the icing a subtle shine and keeps it from drying out too quickly.
- Food coloring (optional): For those who love to get creative and vibrant with their cookie designs.
How to Make Sugar Cookie Icing Recipe
Step 1: Combine Your Ingredients
Start by placing 2 cups of powdered sugar into a medium mixing bowl. Add 2 tablespoons of whole milk and 1 tablespoon of light corn syrup. Whisk these together until the mixture is completely smooth. This forms the silky base that will help your sugar cookies shine.
Step 2: Adjust the Consistency
Next, test the icing’s consistency by lifting the whisk or spoon and letting the icing drizzle back into the bowl. You’re aiming for a texture that holds its shape briefly before melting back into the mix. If it feels too thick to spread or pipe easily, mix in an additional 1/2 teaspoon of milk at a time until it’s just right.
Step 3: Color the Icing
If you want to play with colors, divide your icing into separate small bowls. Add drops of your favorite food coloring to each bowl, then stir well until the colors are evenly mixed. This is your moment to get creative—pastels, brights, or any shade you like!
Step 4: Decorate Immediately or Store
Once the icing is colored and ready, use it right away to decorate your sugar cookies. If you aren’t decorating immediately, cover the surface of the icing with plastic wrap to stop it from drying out. This keeps the icing fresh and smooth for when you’re ready to use it.
Step 5: Dry Your Cookies
After decorating, allow the cookies to dry at room temperature overnight. This drying step ensures the icing sets into a firm but tender glaze that doesn’t smudge or stick, perfect for stacking or packing for gifts.
How to Serve Sugar Cookie Icing Recipe

Garnishes
Adding a final touch of garnish can elevate your iced sugar cookies even more. Try sprinkling edible glitter, rainbow nonpareils, or finely chopped nuts over the icing before it dries. These details bring visual and textural contrast that really pop on festive occasions.
Side Dishes
Sugar cookies with this luscious icing go wonderfully alongside a warm cup of tea, coffee, or even a glass of cold milk. For a party, serve with a selection of other baked treats or fresh fruit to balance sweetness and add variety to your dessert table.
Creative Ways to Present
Think beyond the cookie tray—wrap iced cookies in clear cellophane with a colorful ribbon for a charming gift. Or arrange them on a tiered cake stand for an eye-catching centerpiece that invites everyone to indulge. Using edible markers or piped details on top of your icing can also personalize each cookie for birthdays or holidays.
Make Ahead and Storage
Storing Leftovers
If you have leftover icing, store it in an airtight container at room temperature for up to two days. Before using it again, give it a quick stir and, if needed, add a splash of milk to restore the original consistency.
Freezing
Freezing this icing isn’t recommended as it can cause changes to texture and smoothness once thawed. For best results, make fresh batches as needed for your cookie projects.
Reheating
Since the icing is meant to be used cold or at room temperature, reheating isn’t necessary. But if the icing becomes too stiff, simply whisk in a tiny bit of milk to soften it before decorating.
FAQs
Can I use skim milk instead of whole milk?
Yes, you can substitute skim milk, but whole milk tends to give the icing a richer texture and slightly better shine. If using skim, just keep an eye on the consistency and adjust with milk a little more slowly.
What does the corn syrup do in the Sugar Cookie Icing Recipe?
The light corn syrup helps give the icing a glossy finish and prevents it from drying out too quickly, which keeps your decorated cookies looking fresh longer.
How long does the icing take to dry?
It usually takes about overnight at room temperature for the icing to fully dry and set, so plan your decorating ahead of time for the best results.
Can I make this Sugar Cookie Icing Recipe vegan?
You can try substituting the whole milk with a nondairy alternative like almond or oat milk, but the consistency might vary slightly. Also, choose a vegan-friendly corn syrup to keep it entirely plant-based.
What’s the best method for decorating with this icing?
This icing works great for both spreading with a knife or piping through a pastry bag. Adjust the thickness by adding small amounts of milk for piping or keeping it thicker for spreading smooth layers.
Final Thoughts
This Sugar Cookie Icing Recipe is a brilliant way to add that extra special touch to your homemade cookies. It’s simple, reliable, and wonderfully versatile for any occasion. Give it a try, and you’ll soon see why it’s become a favorite in my kitchen and hopefully yours too!
Print
Sugar Cookie Icing Recipe
- Prep Time: 5 minutes
- Cook Time: 0 minutes
- Total Time: 10 minutes
- Yield: 3 servings
- Category: Icing
- Method: No-Cook
- Cuisine: American
- Diet: Vegetarian
Description
This Sugar Cookie Icing Recipe creates a smooth, glossy icing perfect for decorating sugar cookies. Made with powdered sugar, milk, and light corn syrup, this easy-to-make icing can be colored with food coloring to add vibrant, festive designs. It dries hard overnight, making cookies beautifully decorated and ready for gifting or serving.
Ingredients
Icing Ingredients
- 2 cups powdered sugar
- 2 to 3 tablespoons whole milk
- 1 tablespoon light corn syrup
- Food coloring (optional)
Instructions
- Make the Icing: In a medium bowl, combine 2 cups of powdered sugar, 2 tablespoons of whole milk, and 1 tablespoon of light corn syrup. Whisk thoroughly until the mixture is smooth and free of lumps.
- Check the Consistency: Drizzle a small amount of icing from the whisk or spoon back into the bowl. It should hold its shape for a few seconds before slowly melting. If the icing is too thick, whisk in additional milk, about 1/2 teaspoon at a time, until the desired texture is achieved.
- Color the Icing: Divide the prepared icing into separate bowls depending on how many colors you want. Add food coloring to each bowl and mix well to evenly distribute the color.
- Decorate: Use the colored icing immediately to decorate your sugar cookies. If you need to pause, cover the icing’s surface tightly with plastic wrap to keep it from drying out.
- Drying: After decorating, allow the cookies to dry at room temperature overnight to ensure the icing sets hard and firm.
Notes
- If the icing becomes too thick after sitting, add a few drops of milk and whisk again before use.
- Light corn syrup helps to give the icing a shiny finish and smooth texture.
- Work quickly with the icing to prevent it from drying out during decorating.
- Store leftover icing in an airtight container for up to a day and stir before reuse.
- For best results, decorate cookies on a flat surface to allow even drying.