How to Clean Up Your Buttercream Corners

How to Clean Up Your Buttercream Corners

2nd May 2025

A Step-by-Step Guide

When it comes to cake decorating, one of the trickiest parts is achieving that flawless, clean finish – especially around the edges. Whether you're making a simple buttercream-covered cake or something more intricate, cleaning up your corners is key to giving your cake that professional look.

In this step-by-step guide, we’ll show you how to clean up those buttercream corners, ensuring your cake looks sleek, smooth, and polished.

Step 1: Use a Sharp Edge

The first step to cleaning up buttercream corners is having a sharp edge to work with. Start by applying your buttercream as usual, covering the entire cake and smoothing it as much as possible.

Once you’ve got a smooth, even layer, it’s time to focus on the edges. To clean up the corners, you’ll need a straight edge – a scraper or a cake smoother works wonders. This tool will help you define those sharp, clean lines at the corners, giving your cake a professional, polished finish.

Step 2: Chill the Cake

It’s easier to clean up buttercream corners when the cake is cold. After applying your buttercream layer, pop your cake in the fridge for about 15-20 minutes. This will firm up the buttercream and prevent it from smearing when you clean up the edges.

Once the buttercream is firm, take the cake out and start working on the corners. The colder the cake, the easier it will be to achieve sharp, crisp lines without the buttercream smudging or becoming messy.

Step 3: Focus on the Corners

With your cake chilled, grab your scraper or cake smoother and carefully trim the corners. Hold the scraper at a slight angle and gently press it against the edges of the cake while rotating it. Start at the top and work your way down to the base, cleaning up any rough edges or uneven spots.

Don’t rush this step – take your time to smooth out the buttercream and refine those corners. If you’re aiming for a super sharp edge, you can also dip your scraper in hot water and wipe it off before smoothing. The warmth of the scraper will help melt the buttercream slightly, allowing for a smoother finish.

Step 4: Clean Off Any Excess Buttercream

As you work on your corners, you might notice that some buttercream ends up on the base or sides of the cake. Keep a paper towel or clean cloth handy to wipe off any excess. It’s important to keep your tools clean throughout the process to prevent messy streaks or unwanted marks on your cake.

You can also use a small spatula to gently scrape off any excess buttercream and redefine the edges if needed. Be patient and keep working until you’re satisfied with the crispness of the corners.

Step 5: Final Touches

Once your buttercream corners are clean and sharp, step back and evaluate your cake. If there are any minor imperfections, go over them with a small spatula or smoother. You can even use a tiny bit of warm water to refine the edges and create a more defined finish.

If you’re adding any decorative elements, like piping or fondant, make sure the corners are neat and tidy to set the stage for those final touches.

Bonus Tip: Practice Makes Perfect

It’s all about practice! Don’t worry if your first attempt doesn’t come out exactly as you envisioned. With a little patience and practice, you’ll become a pro at cleaning up those buttercream corners. Each cake you make will help you refine your technique and achieve even sharper, cleaner edges.

By following these steps, you can give your cakes that sleek, professional edge that will make them stand out. With a little time and attention to detail, your buttercream corners will be a breeze to clean up, leaving you with a stunning finished product. Happy decorating!