5 Mistakes to Avoid When Icing Cookies (2024)

by Kelli Foster

Kelli FosterSenior Contributing Food Editor

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updated May 1, 2019

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5 Mistakes to Avoid When Icing Cookies (1)

Icing helps transform cookies from plain and simple to colorful and beautiful — not to mention the fact that it makes them even more delicious. While decorating cookies with icing isn’t nearly as tough as it may seem, there are a few mistakes you want to be sure to avoid.

1. Not using the right type of cookies.

Not all types of cookies are meant to be decorated with icing; some varieties work a lot better than others. Icing typically won’t stay in place on cookies with rounded or domed tops, while delicate cookies might not be sturdy enough to support the weight of icing.

Follow this tip: Thin, flat-cut cookies, like sugar cookies and gingerbread, are the best candidates for decorating with icing. They’re sturdy enough that they won’t crumble as you work with them, and have large, flat areas that are ideal for a bit of decoration.

2. Not waiting for the cookies to cool completely.

Warm cookies are not a friend to icing. If the cookies aren’t completely cooled when you start decorating, the icing will melt once it hits the warm cookie.

Follow this tip: Don’t rush the cooling process. The first step to making beautifully decorated cookies is making sure the cookies are completely cooled when you begin adding the icing. Play it safe by making it a two-day process: Bake the cookies one day, then decorate the next day.

3. Not creating a border with the icing.

It might seem repetitive to make two types of icing (border icing and flood icing) when decorating your cookies, but there’s a good reason for it. The border icing is thicker and acts as a barrier; without it, the thinner flood icing can easily run off the cookies.

Follow this tip: Decorating cookies with icing is a two-step process. Start with border icing (a slightly thicker icing used to trace the outline around cookies), and then use a looser flood icing to fill in the middle of the cookies. The border icing will work as a barrier to hold in the thinner flood icing, creating a completely smooth layer of icing over the cookie.

4. Not using a thick-enough icing.

Making an icing that has just the right consistency is a crucial step in decorating your cookies. When the icing is too thin, it’s hard to control how much you pipe out. If the border icing is too thin, it can seep off the cookie and might not be sturdy enough to contain the flood icing that follows.

Follow this tip: Add the liquid sparingly when making the icing. Remember you can always add more, but it’s much harder to take it away. The border icing should be quite thick; if you drizzle a little from your spoon, the ribbon should hold for a few seconds before melting back into the icing. The flood icing should still be fairly thick, but it should drizzle easily; a bit of drizzled icing should sink immediately back into the icing.

5. Not giving the icing enough time to dry.

You’ve put a lot of work into baking and decorating these cookies, so make sure to let the icing dry. When it doesn’t have enough time to set, your just-made decorations are prone to nicks and smudges.

Follow this tip: Leave the cookies undisturbed for at least 24 hours to fully dry. Depending on the thickness of your icing and the layers on the cookie, it may take longer.

Your turn — what are your best tips for decorating cookies with icing?

5 Mistakes to Avoid When Icing Cookies (2024)

FAQs

What is the 15 second rule when using royal icing? ›

It's called 15-second royal icing because if you run a butterknife through the royal icing in your mixing bowl, the icing should blend back together in 15 seconds. This royal icing consistency holds its own, but softens or floods lightly so that any peaks made in the icing smooth out.

What are 3 pitfalls during the method of making and working with royal icing? ›

Air Bubbles and Color Bleed

Icing that is too thin can also lead to air bubbles, uneven texture, fragility (a big problem with royal icing transfers) and even color bleed. It helps to keep the icing on the thick side so that you don't encounter these problems.

How do you stop cookie icing from bleeding? ›

In the baking industry, many believe that adding white food colouring will help avoid colour bleeding. Simply add white food colouring to the royal icing before adding the desired colour. Or, if the icing is too dark, add white food colouring to lighten the shade.

Can you beat frosting too much? ›

Too much whipping can leave air bubbles in your buttercream frosting. It's a minor problem and won't ruin the flavour or texture, but it may not look as pretty when it comes to decorating. Don't leave your buttercream frosting whipping forever and ever if you don't want air bubbles.

Can you overbeat royal icing? ›

Don't overbeat: Do not overbeat the royal icing base. This will incorporate too much air, which will create bubbles. Vigorous stirring will also create air bubbles. Cover with a damp towel: Cover the decorating tip with a warm, damp towel to prevent the royal icing from drying when not using.

What is the 10 second rule for royal icing? ›

To check the consistency, all you need to do is drag the tip of a butter knife through the surface of your icing, letting the knife go approximately an inch deep, and slowly count to 10. If the surface of the icing smoothes over in approximately 10 seconds then your icing is ready to use.

What causes royal icing to sink? ›

Trapped air will definitely cause pitting in your royal icing. As the royal dries, that air will escape and leave that horrible gap behind. Don't let your flood fully dry before adding details! If you let the flood (base coat of royal) completely dry before adding the details it will cause cratering much easier.

How long should cookies cool before icing? ›

Allow cookies to cool on the baking sheet for 5 minutes then transfer to a wire rack to cool completely before decorating. I like to decorate cookies directly on baking sheets so I can stick the entire baking sheet in the refrigerator to help set the icing.

How do you get icing to stick to sugar cookies? ›

Lightly brush the icing with water. This will allow the icing to adhere to the biscuit. Carefully lay the icing onto the biscuit and use your finger to gently round out any rough edges.

What happens if you overmix royal icing? ›

Overmixing the icing

If you overmix or mix the icing on a high setting, you'll whip too much air into the mix, leaving you with a frosting that looks more like a crunchy sponge than a smooth finish.

What stops sugar cookies from spreading? ›

Cookies spread because the fat in the cookie dough melts in the oven. If there isn't enough flour to hold that melted fat, the cookies will over-spread. Spoon and level that flour or, better yet, weigh your flour. If your cookies are still spreading, add an extra 2 Tablespoons of flour to the cookie dough.

What is the easiest way to frost cookies? ›

The secret is to scoop your frosting into a ziplock bag, clip the corner, and then pipe the frosting onto each cookie. Since you don't have to pick up each cookie, scoop up frosting, and spread it out with a knife, the piping process is a MUCH quicker way to get lots of cookies frosted.

What type of icing is best for cookies? ›

Royal icing is probably the most popular icing for decorating cookies. Made using egg whites or meringue powder, royal icing dries hard, making it a fabulous option for cookies you plan to package or mail. It's most often used for outlining and “flooding”, or filling in, cookie designs.

Do you ice cookies hot or cold? ›

Make sure your cookies are completely cool before you start decorating or the icing will melt as you decorate. I usually find it easiest to make the cookies on one day and decorate them the next.

How long should I beat my frosting for? ›

Continue to mix, beating the frosting until it forms stiff peaks so the frosting will hold its shape. This takes between five and 10 minutes of beating using an electric mixer.

How long should I beat icing? ›

Then increase the speed to medium and beat until it lightens in color and looks fluffy in texture. Give it a taste, it should melt on your tongue and not feel heavy or dense in the slightest. This will take about 3 to 4 minutes of beating.

What makes icing fluffy? ›

One of the easiest things that you can do to make store bought frosting fluffy would be to simply whip it up. Using a whisk attachment , beat the room temperature store bought frosting incorporating more air into it.

What does cream of tartar do in royal icing? ›

On the other hand, cream of tartar on its own is often included in royal icing recipes, as one of its key functions is to stabilize whipped egg whites. (It's also used to stabilize whipped cream and to prevent sugar syrups from crystallizing.)

What does 20 second icing mean? ›

We like to use this consistency of icing so we don't have to bother with outlining and filling. This type of icing is also called 20 second icing. This is because when you run through the icing in the bowl with a small spatula or spoon, the icing smooths out in 20 seconds.

What is 20 second consistency icing? ›

Icing Consistency Counts:

Stiff or Thick Icing: 20-25 seconds to smooth out. Lines will not totally disappear. Medium Thick Icing: 18-19 seconds to mostly smooth over. Medium Icing: 15 seconds to settle mainly flat.

Do cookies with royal icing need to be refrigerated? ›

Temperature difference – icing chilled cookies with room temperature royal icing and vice versa. It's best when both cookie and royal icing are at room temperature.

How long do you have to wait between layers of royal icing? ›

Just allow the royal icing to completely dry between layers. I usually allot at least two hours under a gentle fan to make sure the first layer is dry before piping and adding an additional layer. You can also just let the cookies dry and set overnight before adding more decorations to them.

Why won't my royal icing go hard? ›

You've added too much water to the royal icing. The best way to fix this is to start adding a little extra powdered sugar. If you need a large amount, also add some extra egg white to keep the ratio egg whites:powdered sugar the same. Just add a little extra water.

What happens if you don't Chill cookies before baking? ›

As she says, not chilling the cookie and baking at 350 degrees can result in a more crackly cookie, since the dough hasn't had enough time to absorb the flour. Chilling it for half an hour, however, gives you thicker, chewier dough.

Can you frost cookies the night before? ›

The first step to making beautifully decorated cookies is making sure the cookies are completely cooled when you begin adding the icing. Play it safe by making it a two-day process: Bake the cookies one day, then decorate the next day.

Should you put cookies in the fridge before baking? ›

Chilling cookie dough before baking solidifies the fat in the cookies. As the cookies bake, the fat in the chilled cookie dough takes longer to melt than room-temperature fat. And the longer the fat remains solid, the less cookies spread. In addition, the sugar in the dough gradually absorbs liquid.

What makes icing harden quickly? ›

Light corn syrup: This helps the icing harden and what gives it that brilliant shine! Vanilla extract: For flavor. If you need your icing to be bright white, use clear vanilla extract.

What does adding more meringue powder to royal icing do? ›

Meringue Powder in Royal Icing

Both create a very sturdy and stable icing that hardens quickly on top of cookies. Meringue powder, while containing eggs, eliminates the need for raw fresh eggs, but still provides the EXACT same consistency.

Do you put sugar on cookies before or after baking? ›

Use this method to decorate cookies before baking. Put decorative sugar in a small bowl (one bowl per color). Shape dough into balls per recipe directions. Roll in the sugar, place on cookie sheet, and bake as directed.

What causes a cookie to spread too much? ›

Excess Sugar and Fat

Measuring is key in baking. If your cookie contains excess sugar or fat, it will spread while baking. If your first batch of cookies spreads, try adding a few tablespoons of flour to help thicken the remaining dough.

How to make perfectly shaped cookies? ›

Simply place the cookie cutter around one of the cookies on the baking sheet. (It should be bigger than the cookie, and therefore not cut off any of the edges.) Then, use the cookie cutter to mold the edges of the cookie from uneven to perfectly round, using a swirling motion.

Can you use regular frosting to frost cookies? ›

Yes! You can use any canned frosting, or even make your own (but that's for another time).

What is the most stable icing? ›

Silky smooth Italian buttercream is the most stable of all the buttercreams and is not very sweet. It is made by pouring hot sugar syrup into whipping egg whites and then finished with butter, salt and flavoring.

Is icing better with butter or shortening? ›

Butter provides a great flavor in icing so it is a good idea to have at least some in your recipe, but you also don't want your icing to separate if it gets too warm. Adding some shortening won't detract from the flavor and it will allow your icing to better withstand warmer temperatures.

What kind of icing doesn't melt? ›

While melting is inevitable if no extra steps are taken to keep the desserts as cool as it can be in the summer heat, there is a type of frosting that can handle the heat better than other frostings: the buttercream made with egg whites.

How far in advance can I make decorated sugar cookies? ›

In the fridge, your sugar cookies will last for up to one week but are best consumed within three days as your icing will start to bleed as time passes. You also need to make sure that the cookies are properly sealed because you don't want them to absorb the moisture or smells from other foods in the fridge.

How long does it take for icing to dry on sugar cookies? ›

How Long Does the Icing Take to Harden? The top layer of the sugar cookie icing hardens after just a few hours, but you'll need to wait about 20 to 24 hours before you can stack the cookies without ruining the decorations.

How do you ice cookies without a piping bag? ›

Hold a sugar cookie by the sides, then dip the top of the cookie in the royal icing. Lift the cookie from the icing and gently shake away the excess. That's it! (You could use a spatula or knife to spread the icing out, but it's really not necessary.)

How many seconds does it take to flood royal icing? ›

Flood Icing: 10 seconds to settle flat. Flood Uses: Flooding (especially larger cookies), dipping, marbling, wet on wet, outlining and flooding immediately (especially smaller cookies). Runny Icing: 4 seconds to completely disappear.

How long should royal icing dry before decorating? ›

If the icing is applied thinly then it should take 4 to 6 hours to dry completely (though the surface will be touch dry quite quickly) but if it is a very thick layer (such as "snowcene" icing on a christmas cake) then it can take a few days to dry completely.

What does cream of tartar do to royal icing? ›

On the other hand, cream of tartar on its own is often included in royal icing recipes, as one of its key functions is to stabilize whipped egg whites. (It's also used to stabilize whipped cream and to prevent sugar syrups from crystallizing.)

Why do you add corn syrup to royal icing? ›

Royal Icing made with pasteurized egg whites results in an almost fool-proof product, but the addition of light corn syrup to it produces icings that dry with shiny surfaces. Depending on the humidity and other factors, however, your initial mixture will be either stiff or firm.

Do you let outline dry before flooding cookie? ›

I like the method where you first outline the cookie and when the outlining is dry you flood the cookie with runny icing. It gives the cookie a smooth look and when it's dry, you can pipe details on the cookie. Flooding cookies is easy and so much fun to do.

What is the difference between royal icing and regular icing? ›

Royal icing is frosting that's made from confectioners' sugar, egg whites, and flavorings, and used in many ways to decorate cookies and cakes. The biggest difference between buttercream frosting and royal icing is texture-buttercream is creamy and soft; royal icing hardens to a candy-like texture.

Why is my royal icing not shiny? ›

Dry the Royal Icing Quickly

Creating as much airflow around your drying royal icing cookies is one very simple way to get a shiny cookie. Increased air movement allows the top of the icing to dry quickly into a thin crust, creating a sheen on the cookie and also helping to avoid craters.

What happens if you over mix royal icing? ›

Overmixing the icing

If you overmix or mix the icing on a high setting, you'll whip too much air into the mix, leaving you with a frosting that looks more like a crunchy sponge than a smooth finish. Follow our step-by-step guide to make perfect royal icing.

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