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How to Cut Brownies Without Them Sticking to the Knife: It's Here, Big Approved Techniques!

By Avi Green October 05, 2023

Whether you are a seasoned baker or just someone who loves baking as a hobby, knowing how to cut brownies without them sticking to the knife is a skill you'll want to master. Nothing is more frustrating than spending time perfecting your gooey, chocolatey masterpiece only to end up with rough edges and crumbs everywhere because your knife can't make a clean cut. Thankfully, we've gathered a few tried-and-true methods that will help you cut brownies perfectly every time and delight anyone eating them.

Importance of Clean Cuts for Your Brownies

Being able to cut brownies perfectly is not just aesthetically pleasing but also practical. Perfect cuts ensure each piece looks retail-ready, making them ideal for parties, bake sales, or just impressing your guests. More importantly, when your knife slices through the brownies cleanly, you're less likely to lose the chewy edges and fudgy center to sad, leftover crumbs stuck to your knife.

Essential Tools You'll Need

Before diving into the techniques, it's important to gather all the necessary tools. Here's a checklist:

  • Non-serrated Knife: A sharp, long, and thin non-serrated blade will give you the most control for clean cuts.
  • Plastic Knife: Surprisingly, plastic knives can also work incredibly well.
  • Wet Cloths or Paper Towels: To make wiping the blade between cuts easier.
  • Non-stick Spray: To lightly coat the knife blade.
  • Greased Pan: Ensure your baking pan is adequately greased or lined with parchment paper.
how to cut brownies without them sticking to the knife

Step-by-Step Guide: How to Cut Brownies Without Them Sticking

Method 1: Using a Warm Knife

One of the most effective ways to prevent brownies from sticking is to cut them with a warm knife. Here's how:

  1. Heat a bowl of water until warm but not boiling.
  2. Dip the blade of the knife into the warm water for a few seconds.
  3. Wipe off excess water to prevent soaking the brownies.
  4. Make your cut carefully, and then repeat the heating and wiping steps as needed.

Method 2: The Plastic Knife Trick

Plastic knives work surprisingly well due to their non-stick properties. Simply:

  1. Grab a disposable plastic knife.
  2. Cut your brownies gently but firmly. You might be delighted to find almost no sticking at all!

Method 3: Refrigerate Before Cutting

Allowing the brownies to cool in the refrigerator makes them firmer and easier to cut:

  1. Once your brownies are out of the oven, let them cool to room temperature.
  2. Place them in the refrigerator for at least 30 minutes.
  3. Use a sharp, non-serrated knife to cut into the chilled brownies, wiping the blade between each cut.

Method 4: Non-stick Spray Technique

Spraying your knife with a non-stick spray can make cutting easier:

  1. Spray a light coat of non-stick cooking spray on both sides of the knife blade.
  2. Make your cuts, wiping the blade with a paper towel occasionally and re-spraying as needed.

Fine-Tuning Your Technique

In addition to the methods above, a few extra tips can help:

  • Score the Top: Lightly score the top of the brownies before making your actual cuts. This creates a shallow guide for your knife to follow.
  • Sawing Motion: Instead of applying downward pressure with a single push, use a gentle back-and-forth sawing motion to reduce sticking.
  • Wipe the Blade: Each time you make a cut, wipe your blade clean with a wet cloth to remove any sticky residue.


1. Can I use a serrated knife to cut brownies?

While it's possible, using a serrated knife can actually increase the chances of your brownies crumbling or sticking to the blade. A non-serrated knife is generally recommended for the best results.

2. How long should I let the brownies cool before cutting them?

Ideally, you should allow your brownies to cool for at least 30 minutes before cutting. For even better results, refrigerating them for 30 minutes to an hour can make a significant difference.

3. How do I keep brownies fresh after cutting?

Once your brownies are perfectly cut, store them in an airtight container either at room temperature for up to a week or in the refrigerator for up to two weeks. This will keep them fresh and maintain their flavor and texture.

For more baking tips and kitchen hacks, visit King Arthur Baking.

As an Amazon Associate, I earn from qualifying purchases.

For additional tips on cutting and chopping various foods, check out this helpful guide on how to chop food like a pro.

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