Make Citrus Powder

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Made in Canada, I grew up crafting, making, and baking. Out of this love for designing and creati...

Intro: Make Citrus Powder

I love unusual ingredients and ALL citrus fruits, so when I came across a few mentions of citrus powder on the internets, I knew I had to try to make some. In addition to a few meyer lemons that a co-worker gave me, I added kumquats, tangerines, valencia oranges, key limes, blood oranges, and grapefruits to my 'to be powdered' list.

This turned out to be an easy process that yielded surprising and super delicious results.

So flavor explorers follow me...

Step 1: Pick Your Citrus

I wanted to try a bunch of different kinds of citrus, including several varieties of oranges, to see how different they would be/taste. Due to the large amount of oven real estate required to make these, I would recommend starting with just 2-3 choices. (Making all these different kinds took a few rounds (read: days) of oven dehydrating.)

Here's my list again in order of personal preference:

- valencia orange
- meyer lemon
- key lime
- kumquat
- tangerine
- blood orange
- grapefruit

Buy 2-3 of each of your choices, unless you choose kumquats, then you'll need 14-16.

Step 2: Prep Work

Remove stickers/labels and thoroughly wash all your citrus.

Line as many baking pans with parchment paper as will fit in your oven. (FYI I had two ovens to work with.)

Step 3: Get Low

Turn your oven on to it's lowest possible setting. 150 degrees F is ideal.

Step 4: Slice 'Em Up

Using a mandolin or a very sharp chef's knife, slice up all your fruit as thinly as possible.

If you're using a knife like I did, cut a small slice off the side of each fruit, so that it can sit flat on the table, offering more stability while slicing. And please be sure to use proper cutting techniques. (I describe this in Step 2 of my 'How To Chop An Onion' instructable.)

Remove any large seeds and discard the end cut offs.

Step 5: The Layout

Lemons, limes, and kumquats will dehydrate the fastest, so it's a good idea to keep those together on pans, separate from the oranges and grapefruit. That way you can remove them when they're done and leave in the others to dehydrate further.

Step 6: Now We're Cooking With Gas!

If you have a dehydrator at home, feel free to use it. Mine wasn't big enough to handle the amount I wanted to make, so I chose to use the oven instead.

Here are the oven drying times (at 150 degrees) for the different citrus fruits:

- kumquat, lemon, and lime = 12 hours
- oranges = 20 hours
- grapefruit = 20-24 hours

If the lowest temp your oven can go is closer to 175 or 200, it will cut down on cooking time, but be careful not to let the slices get too brown or they will lose some flavor and potentially taste burnt-ish. (The lemons will naturally look a little brown.) The lower temp the better for dehydrating.

Prop the oven door open with a dishtowel or folded silicone hot mat to allow the moisture to escape and keep some air flowing.

Step 7: Their Post-Cook Look

All the slices should be completely dry. If they sit out too long before you grind them, the humidity in the air can make them slightly sticky. If this happens, just pop them back in the oven on low for a few minutes.

Step 8: Makin' the Pow Pow

Using a clean coffee grinder or spice mill, grind up the dry slices in small batches, one type at a time.

Add 1/2 tsp of sugar and a pinch of salt to each batch of milling. (like pictured) The sugar counteracts the bitterness of the pith, and the salt helps bring out the flavor even more.

Use a small sieve to filter out the chunks and bits that didn't grind properly. Set those bits aside and once you've ground and sieved all of one type of citrus, you can put all those chunks back in the grinder and give them one more go + sieving. Either discard the last stubborn bits or save them to add to a stew or soup.

Immediately after finishing each citrus type, put them in airtight storage containers to keep the air moisture out. Spice or canning jars work great.

Step 9: How to Use Your Powders

I myself am still exploring all the ways to use these, but here are a few ideas to start with:

- mix with sugar or salt to rim cocktail glasses
- sprinkle on salads
- sprinkle on ice cream and berries
- fold into whipped cream or mix in icing
- add to rubs for chicken and seafood
- dust cookies and muffins

Let me know in the comments section below if you have used them for anything else or even just have ideas about what might work!

Happy cooking!

3 People Made This Project!

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65 Discussions

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slashdotpwn

3 years ago

So I used to do this years ago but with strawberries and mangoes. Drying some fresh basil and grinding it with the strawberries was pretty awesome. I never thought of doing this with citrus. Thanks so much for the wonderful post.

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sherabPaige Russell

Reply 1 year ago

Strawberry/Basil also makes a killer ice cream. So does Pineapple and Cilantro.

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Baidoo

1 year ago

l made a key lime powder but mine turned was dark brown colour.

Is that normal?

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Carbon GhettoQBaidoo

Reply 1 year ago

It's fine, it just means that your lemons weren't as fresh but the powder should tatse fine.

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YuliaW

1 year ago

how long will the powder keep?

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dulciquiltsamuraijack

Reply 2 years ago

Yes, but you might want to use a tea infuser if you don't care for chewing any that floats.
It won't dissolve like the packed stuff.
I don't mind the floaty stuff, so personal preference.

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sabu.dawdy

2 years ago

you can make beef nashif ( arabic dish )

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sweetpea1145

3 years ago on Introduction

Have you tried any of the powers in personal care products? shampoo, conditioner, masks, lotions etc. Certainly a lot better than the junk that in most of the products on the market now.

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keelulater

3 years ago on Introduction

I finally got to try this out! I made mine with meyer lemons, key limes, and clementines in a dehydrator. Meyer lemons were the favorite with the clementines a close second. I can't wait to try out all of the different possibilities. Thank you for this instructable. :)

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Paige Russellkeelulater

Reply 2 years ago

Amazing! I'm glad you tried making these. I had no idea how delicious they would be. :)

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bhaynie

3 years ago on Step 9

Only thing I might do differently is use cooling racks in the pans to improve airflow. It should cut down on drying time I would think. I'll let you know!

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sbarcy37

3 years ago

Not paleo

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Sufyan Ahmed

3 years ago

the time for dehydration is too long I cant wait so much ;-)

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sperla2

3 years ago

This is right up my alley! I will be doing this and experimenting. Quick question, where did you get the adorable storage tubes and rack?

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For those who were wondering, fruit powders are awesome for flavoring meringue kisses. I usually grind freeze dried fruit from Trader Joes, but now I know how to make my own fruit powders! Thanks :D

1 reply