How to Oven Dry Citrus Slices: Preserve Citrus the Easy Way

If you’re looking for a straightforward guide on how to oven dry citrus slices, you’ve come to the right place. Oven-drying citrus is a simple and efficient method to preserve these fruits, offering a burst of tangy flavor and aesthetic appeal to various dishes and décor.

How to Oven Dry Citrus Slices

Why Oven Dry Citrus Slices?

Oven drying is a convenient and accessible way to preserve the zesty goodness of citrus fruits. This technique ensures that the fruit slices retain much of their original flavor, while extending their shelf life. It’s ideal for home cooks and DIY enthusiasts alike.

Tools and Ingredients: How to Oven Dry Citrus Slices

Before you begin, gather the following items:

Step 1: Preheat the Oven

Before you even touch a citrus fruit, it’s crucial to set your oven to the correct temperature. The low heat of 200°F (93°C) will dry out the moisture from the fruit slices, while also preserving their flavor and aesthetic appeal.


Locate the temperature settings on your oven. These could be either dials or digital buttons, depending on your oven’s make and model.

Set the temperature to 200°F (93°C). If you have an oven thermometer, place it inside to double-check the accuracy of the oven’s internal thermostat.

Wait for the oven to reach the desired temperature. Most ovens will beep or light up a specific indicator when they are preheated.

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Pro Tip:
It’s a good idea to let the oven sit at the preheated temperature for about 10 minutes extra, even after the indicator says it’s ready. This ensures a consistent temperature throughout the oven, which is critical for even drying.

Step 2: Wash the Citrus Fruits

Washing your citrus fruits removes any dirt, bacteria, and potential pesticide residues, making them safer to consume.


Place your citrus fruits under cold running tap water.

Turn each fruit in your hands, ensuring that the entire surface gets a thorough rinse.

If you have a produce brush, use it to gently scrub the surface of each fruit. Focus on areas that may have visible dirt or feel gritty to the touch.

After washing, pat the fruits dry using paper towels.

Pro Tip:
If you don’t have a produce brush, you can also use your hands to gently rub the fruit while holding it under running water. Just be sure to be thorough to ensure cleanliness.

Step 3: Slice the Citrus Fruits

Evenly sliced citrus will dry at the same rate, ensuring that you don’t have some slices that are over-dried and others that are still moist.


Place a citrus fruit on a stable cutting board. Make sure the cutting board is clean and lies flat on the counter to minimize any chances of the fruit slipping.

With a sharp knife, carefully cut off both ends of the fruit. This makes it easier to slice evenly.

Position your knife at one end of the fruit, and start slicing it into rounds. Aim for a consistent thickness of about 1/4-inch for each slice.

As you slice, set aside any seeds that you encounter. These can be discarded or saved for other uses.

Pro Tip:
A sharp knife is key to achieving clean, even slices. If your knife is dull, take a few moments to sharpen it before you start slicing. This will make the task easier and more efficient.

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Read more oven drying topics here – How to Oven Dry Stuff: Your Ultimate Guide to Drying Various Items in the Oven

Step 4: Prepare the Baking Sheet

Lining your baking sheet with parchment paper serves a dual purpose: it makes for an easy clean-up and ensures that your citrus slices can be removed effortlessly once they’re dried.


Unroll a sheet of parchment paper to roughly match the size of your baking sheet.

If the parchment paper extends beyond the edges of the baking sheet, use scissors to trim it down to size.

Carefully lay the parchment paper onto the baking sheet, making sure it covers the entire surface.

Pro Tip:
Press down the parchment paper at the corners of the baking sheet. This will help keep it in place when you’re arranging the citrus slices.

Step 5: Arrange the Slices

Properly arranging the slices ensures that they dry evenly. Overlapping slices could create unevenly dried areas and prolong the drying process.


Take one citrus slice and place it flat onto the parchment paper.

Continue this process, placing each new slice next to the previous one, but not overlapping.

Keep an inch of space between each slice to allow for air circulation, which helps in the drying process.

Pro Tip:
Arrange the slices in neat rows and columns to maximize the use of your baking sheet space without compromising the drying process.

Step 6: Place in the Oven

This is the core step where the actual drying happens. The low and slow heat removes moisture from the citrus slices, preserving them for future use.


Open the oven door and position one of the oven racks in the middle. This ensures the most consistent temperature.

Carefully place your baking sheet on the middle rack, making sure it sits level.

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Close the oven door to maintain the heat and set a timer for 2 hours as a preliminary check.

Pro Tip:
Some ovens have “hot spots” where the heat may be more intense. To ensure even drying, you might consider rotating the baking sheet 180 degrees halfway through the drying process.

Step 7: Check for Dryness

Checking for dryness allows you to determine whether the slices have reached the desired texture. Properly dried slices are not only better for long-term storage but also offer more concentrated flavors.


After the initial 2-hour timer goes off, put on your oven mitts or heat-resistant gloves.

Open the oven door and carefully pull out the baking sheet just enough to access a slice.

Using your finger, gently tap the surface of one of the slices. It should feel dry to the touch but still somewhat pliable.

If the slices do not meet this criteria, push the baking sheet back into the oven and close the door.

Set a timer for an additional 30 minutes.

Repeat this process every 30 minutes until the slices reach the desired dryness.

Pro Tip:
It’s better to check multiple slices from different areas of the baking sheet, as some slices might dry faster than others due to oven hot spots.

Step 8: Cool and Store

Allowing the slices to cool completely ensures that any remaining heat doesn’t create moisture in your storage container, which could lead to mold.


Once the slices have reached the desired level of dryness, use oven mitts to carefully remove the baking sheet from the oven.

Place the baking sheet on a heat-resistant surface or cooling rack.

Allow the slices to cool completely. This may take from 30 minutes to an hour.

Once the slices are cool, transfer them to an airtight container, making sure they are well-separated to avoid sticking together.

Pro Tip:
You can use small sheets of parchment paper between the layers of dried citrus slices in the container to further prevent sticking.

Conclusion: How to Oven Dry Citrus Slices

Now that you know how to oven dry citrus slices, it’s easy to see why it’s such a rewarding task. These dried slices can be used in a variety of culinary and decorative projects. Enjoy!

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