How to Dehydrate Orange Slices in a Food Dehydrator

By Eric Mitchell •  Updated: Oct 22, 2025 •  8 min read
Dehydrate Orange Slices

Dehydrate Oranges in a Food Dehydrator

So, you’ve got a bag of oranges and a food dehydrator staring at you from the counter. Maybe you’re dreaming of festive holiday garlands, a zero-waste snack, or just a kitchen experiment that doesn’t involve a potential fire hazard. I get it. I’ve been there.

Let me tell you, dehydrating orange slices is one of the most satisfying projects you can do. It’s almost magical to watch those plump, juicy wheels transform into beautiful, translucent gems.

And the best part? It’s ridiculously easy. Forget those expensive store-bought versions; we’re about to make your house smell like a citrus grove and your pantry look incredibly fancy.

Ready to turn those oranges into sunshine-on-demand? Let’s do this.

Why Bother Dehydrating Oranges Anyway?

Before we get our hands sticky, you might be wondering why you shouldn’t just eat the orange and be done with it. Fair question. Dehydrating isn’t just about preservation; it’s about creating something entirely new.

Dehydrated orange slices are incredibly versatile. You can use them as:

Plus, it feels a little bit like a science project you can actually eat. What’s not to love?

What You’ll Need

You don’t need a ton of fancy equipment, I promise. Here’s your simple checklist:

See? Nothing crazy. You probably have most of this already.

A Step-by-Step Guide to Perfect Orange Slices

This is where the magic happens. Follow these steps, and you’ll be a pro in no time.

Step 1: The All-Important Wash and Slice

First things first, give those oranges a good scrub under cool water. You’re dehydrating the peel, too, so you want to remove any wax or residue. Trust me on this.

Now, for the slicing. This is the most critical step for success. Uniform thickness is non-negotiable. If your slices are all different thicknesses, you’ll have some that are burnt to a crisp and others that are still soggy in the center.

As you slice, you can pop out any seeds you find. It’s a minor step, but it makes for a prettier final product.

Step 2: To Blanch or Not to Blanch?

Ever wondered why some dehydrated oranges look dull and others look vibrant? The secret is blanching.

Blanching is simply dunking the orange slices in boiling water for about 60-90 seconds and then immediately transferring them to an ice bath. Why would you put yourself through this extra step?

Here’s my honest take: I almost always skip it. I’m a bit lazy, and I don’t mind if my oranges have a slightly deeper, caramelized color. They taste the same. If you’re making them for decoration and want that perfect “Instagrammable” look, blanch them. If you’re like me and just want a tasty snack, feel free to skip it. No judgment here :).

Step 3: Pat Them Dry and Load the Trays

However, you got here—blanched or not—you need to dry the surfaces. Grab a couple of paper towels and gently pat both sides of each slice. Removing that surface moisture helps the dehydration process start faster.

Now, lay the slices in a single layer on your dehydrator trays. Don’t let them overlap or touch. The air needs to circulate every single slice for even drying. This isn’t a group cuddle situation.

The Dehydrating Process: Time and Temperature

Okay, let’s talk about the main event. This part is easy, but it requires a little patience.

I know, that’s a big window. But you’re not just setting it and forgetting it for 12 hours. You need to check on them periodically.

How to Know When They’re Done

You can’t just go by the clock. You have to go by feel. Here’s what you’re looking for:

FYI, the centers of the slices (the pith) will be the last part to dry completely. So, always check the center!

Storing Your Beautiful Dehydrated Oranges

You’ve put in the work, so don’t let it go to waste! Proper storage is key.

Stored correctly, your dehydrated orange slices can last for up to a year. Just give the jar a shake every now and then to redistribute them.

Troubleshooting – When Things Go Slightly Pear-Shaped

Sometimes, despite our best efforts, things don’t go perfectly. Here’s how to fix common issues:

Fun Ways to Use Your Dehydrated Oranges

The fun doesn’t stop when they’re dry. Now you get to use them!

So, there you have it. Dehydrating orange slices is less of a chore and more of a fun, rewarding kitchen hack. It fills your house with an incredible aroma, reduces food waste, and gives you a gorgeous, natural product.

Now go forth and dehydrate! Your future self, sipping a cocktail with a beautiful orange garnish, will thank you. Happy dehydrating

Eric Mitchell

Eric is the owner, author, content director and founder of dehydratorlab.com. He is the lead architect and the main man in matters concerning dehydrators, their accessories, guides, reviews and all the accompaniments.Whenever he is not figuring out simple solutions (hacks) involving cookery and their eventual storage, you will find him testing out the different types of dehydrators, to bring us the juicy details regarding these devices.He is a foodie enthusiast, pasionate about making jerky has a knack for healthy and tasty food and won't hesitate to share out any ideas that might be of value around this subject.

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