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You cut up a whole watermelon by first washing the rind, then using a sharp chef’s knife to slice off both ends so it sits flat and stable on your cutting board.
Next, you stand the watermelon upright and slice downward through the middle to create two clean halves.
From there, you can cut each half into wedges, cubes, or sticks depending on how you plan to serve it.
Learning how to cut up a whole watermelon is really just about knowing where to place your knife and how to keep your fingers safe while doing it.
If you’ve ever wondered how to cut a whole watermelon without making a giant mess, this method will change your entire approach.
You’ll be able to cut up a whole watermelon in just a few minutes once you get the hang of it.
In this post, we’ll walk through exactly how to cut up a whole watermelon step by step, plus a few tips to make the process faster and safer.
Let’s get to it.
How Do You Cut Up a Whole Watermelon Step by Step
Learning how to cut up a whole watermelon starts with the right setup, and here’s the exact process to follow.
1. Wash the Outside of the Watermelon First
Before you cut up a whole watermelon, rinse the entire rind under cool running water.
You’re not eating the rind, but your knife will drag bacteria from the outside into the flesh when you slice through it.
So scrubbing the surface with your hands or a clean produce brush keeps things sanitary.
This is one of those small steps most people skip when they cut up a whole watermelon, and it genuinely matters.
2. Slice Off Both Ends to Create a Flat Base
Lay the watermelon on its side and cut about half an inch off the top and bottom.
This gives you two flat surfaces, which means the melon won’t roll around while you’re trying to cut up a whole watermelon.
A wobbly watermelon is how accidents happen, so don’t rush this part.
Once both ends are off, stand the watermelon upright on one of those flat sides.
3. Cut the Watermelon in Half
With the watermelon standing steady, place your knife on top and slice straight down through the center.
You’ll end up with two equal halves, and now you’re halfway through the work of how to cut up a whole watermelon.
If your knife is short, you can rotate the melon and cut from both sides until you meet in the middle.
Just keep your non-knife hand clear of the blade path the entire time.
4. Cut Each Half Into Wedges or Cubes
Place one half flat-side down and slice it into half-moon wedges about an inch thick.
From there, you can either eat the wedges as they are or cut them down further into cubes.
To make cubes, lay a wedge flat and slice downward to remove the rind, then chop the flesh into bite-sized pieces.
This is the part where you get to decide whether you’re serving watermelon slices, sticks, or a bowl of cubes for a fruit salad.
Tips for How to Cut a Whole Watermelon Without the Mess
Knowing how to cut up a whole watermelon is one thing, but doing it cleanly is another.
Here are a few tricks that make the whole process easier.
1. Use a Large, Sharp Chef’s Knife
A long blade gives you more cutting power with less effort when you cut up a whole watermelon.
A dull knife is dangerous because it slips instead of slicing, so sharpen yours before you start.
A serrated knife can work in a pinch, but a chef’s knife gives you the cleanest cuts.
2. Place a Damp Towel Under Your Cutting Board
Watermelon juice makes cutting boards slide around, and a moving board is a real hazard.
Fold a damp kitchen towel and place it under the board before you cut up a whole watermelon.
This simple trick keeps everything locked in place so you can focus on your cuts.
3. Cut Over a Rimmed Baking Sheet
Juice goes everywhere when you cut up a whole watermelon, so work over a rimmed baking sheet if you can.
It catches all the liquid and keeps your counter from turning into a sticky puddle.
You can also do the whole job inside a clean sink, which makes cleanup even faster.
4. Chill the Watermelon Before Cutting
A cold watermelon holds its shape better and tastes more refreshing when you serve it.
Pop it in the fridge for a few hours before you cut up a whole watermelon.
Just don’t freeze it, because freezing ruins the texture and turns the flesh mushy.
How to Store Watermelon After You Cut Up a Whole Watermelon
Once you’ve cut up a whole watermelon, you’ll likely have more than you can eat in one sitting.
Cubes and slices keep well in an airtight container in the fridge for about three to five days.
If you cut up a whole watermelon and want it to last longer, you can freeze the cubes on a baking sheet and then transfer them to freezer bags.
Frozen watermelon works great in smoothies, slushies, and even chilled soups.
So, How Do You Cut Up a Whole Watermelon?
You cut up a whole watermelon by washing the rind, slicing off both ends, cutting it in half, and then breaking each half down into wedges or cubes.
The whole process takes just a few minutes once you’ve done it a couple of times.
With a sharp knife, a stable cutting board, and a little patience, you’ll never dread cutting a watermelon again.
Hope this post has helped you with exploring how to cut up a whole watermelon the easy way, plus a few extra tips for storing whatever you don’t eat right away.