Frosting Coverage: Pan Size Guide

The amount of frosting needed depends on the pan size, type of frosting, and number of layers. For instance, a two-layer cake generally requires 2.5 to 3 cups of frosting, while a three-layer cake calls for 3.5 to 4 cups. Similarly, 12 cupcakes typically need 2 cups of frosting, and a 13x9-inch cake pan requires 3 cups. It's always advisable to make more frosting than you need to avoid running out during the decorating process.

13x9-inch cake pan: 3 cups of frosting

A 13x9-inch cake pan typically requires 3 cups of frosting. This amount is designed to cover the top, sides, and in between the layers of your cake.

The amount of frosting you need will depend on the type of frosting used, the number of layers in your cake, and the thickness of the frosting. For instance, fluffy frosting will require more than a powdered sugar frosting or a glaze. If you are using buttercream or cream cheese frosting, the amount needed would be roughly the same.

If you are making a two-layer cake, you will need 2.5 to 3 cups of frosting. A three-layer cake will require 3.5 to 4 cups. It is always a good idea to make more frosting than you need, as you can always store leftovers in the fridge for up to two weeks or freeze for up to six months.

Additionally, consider the style of frosting you are aiming for. For example, if you are creating a semi-naked cake, you will need less frosting than if you are going for a smooth finish or adding decorations such as buttercream rosettes or large swirls.

By taking these factors into account, you can ensure that you have the perfect amount of frosting for your 13x9-inch cake pan and avoid the hassle of having to make another batch midway through decorating.

Two-layer cake: 2½ to 3 cups of frosting

When it comes to baking a cake, it's important to get the right amount of frosting to ensure your cake looks and tastes its best. The amount of frosting you'll need depends on the size of your cake, the type of frosting, and the thickness of your frosting layer.

If you're making a two-layer cake, you'll need 2½ to 3 cups of frosting to cover the top, sides, and in between the layers. This amount is suitable for thick, spreadable frostings such as buttercream or cream cheese frosting. It's always a good idea to make a little extra frosting, especially if you're planning on doing any piping or additional decorations.

If you're using a fluffy frosting, you'll likely need more than the recommended amount, as fluffy frostings require more volume to achieve the same coverage as a denser frosting. Similarly, if you prefer a thicker layer of frosting on your cake, you'll need to make more than the suggested amount.

On the other hand, if you're going for a "naked cake" look with minimal frosting, you may be able to get away with a little less. However, it's always better to have extra frosting than not enough, as running out of frosting halfway through decorating can be frustrating.

Leftover frosting can be stored in the refrigerator for up to two weeks or frozen for up to six months, so you don't have to worry about it going to waste.

Three-layer cake: 3½ to 4 cups of frosting

To make a three-layer cake, you will need 3½ to 4 cups of frosting. This amount will be enough to cover the top, sides, and in-between the layers of your cake. The exact amount of frosting you will need depends on the type of frosting you are using, the thickness of the layers, and how you decorate your cake.

It is important to consider the type of frosting you are using. For example, fluffy frosting will require more than a powdered sugar frosting or a glaze. If you are using buttercream or cream cheese frosting, the amount needed will be approximately the same.

The number of layers in your cake will also affect the amount of frosting you need. Even if the cake recipe is the same size, if the filling between the layers is frosting, the more layers there are, the more frosting you will need. A three-layer cake will require more frosting than a two-layer cake.

The thickness of the frosting layers is another factor to consider. Some people prefer a lot of frosting, while others prefer a thin layer. If you are using a thick layer of frosting, you will need more frosting than if you are using a thin layer.

If you are planning on decorating your cake in addition to the frosting layer, you will need extra frosting. This includes adding decorations such as buttercream rosettes or large swirls on top of the cake. These designs require extra frosting, so plan accordingly.

It is always a good idea to make more frosting than you need. You can store leftover frosting in the fridge for up to two weeks or freeze it for up to six months. This will ensure that you have enough frosting and prevent the need to make another batch if you run out.

12 cupcakes: 2 cups of frosting (double if piping)

When it comes to cupcakes, the amount of frosting you'll need depends on how you plan to use it. If you're simply spreading the frosting, 2 cups should be enough for 12 cupcakes. However, if you're planning to pipe the frosting, you'll need to double the amount to ensure you have sufficient coverage.

It's always a good idea to make more frosting than you need to avoid the hassle of having to make another batch if you run out. Leftover frosting can be stored in the fridge for up to two weeks or frozen for up to six months for future baking endeavours.

The type of frosting you're using will also impact the amount you need. For instance, fluffy frosting will require more than powdered sugar frosting or a glaze. On the other hand, buttercream and cream cheese frostings will require approximately the same amount.

The thickness of your frosting layer is another factor to consider. Some people prefer a thin layer, while others enjoy a generous amount of frosting on their cupcakes. If you're piping the frosting, you'll likely end up with a thicker layer.

Additionally, if you're planning to decorate your cupcakes with frosting, you'll need to account for extra frosting to ensure you have enough for both the base layer and any decorative elements.

By following these guidelines, you can ensure you have the perfect amount of frosting for your 12 cupcakes, whether you're spreading or piping it.

Cake decorating: you will need extra frosting

Cake decorating is an art, and like any art, it requires the right tools and materials. When it comes to frosting a cake, you'll need to consider not just the cake size, but also the type of frosting, the number of layers, and the desired thickness.

The amount of frosting needed depends on several factors, including the type of frosting, the number of layers, and the desired thickness. As a general rule, it's always a good idea to make more frosting than you need to avoid running out halfway through decorating.

• For a two-layer cake: 2½ to 3 cups of frosting
• For a three-layer cake: 3½ to 4 cups
• For 12 cupcakes: 2 cups (double the amount if piping)
• For a 13x9-inch cake: 3 cups

Extra Frosting for Cake Decorating

If you plan on decorating your cake with additional piping, designs, or toppings, you will need to make extra frosting. The amount of extra frosting depends on the complexity of your design.

As a rule of thumb, it is recommended to make 50% more frosting than the recipe calls for to allow for mistakes and ensure you have enough for decorative piping. For a two-layer cake, this would be an additional 2-3 cups, while for a three-layer cake, an extra 3-4 cups should suffice.

Types of Frosting

The type of frosting you choose can also impact the amount you need. For example, a fluffy frosting will require more than a powdered sugar frosting or a glaze. Buttercream and cream cheese frostings typically require similar amounts.

Tips for Cake Decorating

• Use a cake leveler or a serrated knife to ensure your cake layers are even before frosting.
• Let your cake cool completely before levelling, frosting, or decorating to avoid melting the icing.
• Choose a sturdy icing that is easy to spread and manipulate, such as buttercream, cream cheese frosting, or Swiss meringue buttercream.
• Consider doing a crumb coat—a thin layer of frosting that seals in crumbs—before applying the final coat for a smoother finish.
• Add decorative piping, toppings, or sprinkles to take your cake to the next level.

Frequently asked questions