Turn those Onion Peels into Onion Powder 🧅

Waste Not, Want Not: DIY Onion Powder from Onion Peels!

Did you know you can turn your leftover onion peels into rich, flavorful onion powder? It’s the perfect zero-waste kitchen project — no waste, all flavor!

Instead of tossing those papery outer layers, try this simple method to turn them into a homemade seasoning you’ll reach for again and again.

Here’s How to Make Onion Powder from Peels:

1. Save the Peels
After chopping onions, don’t throw away the skins! Collect them in a bowl or freezer bag until you have enough to work with.

2. Dry Them Out
Lay the peels flat on a baking sheet and bake at 200°F (90°C) for 1–2 hours, or until fully dried and crispy. I use my dehydrator for hands-free, even drying.

3. Grind Into Powder
Toss the dried peels into a high-powered blender (like a Vitamix) or a spice grinder. Blend until you have a fine, fragrant powder.

4. Store It
Pour the powder into a clean mason jar or spice container with an airtight seal. For even longer shelf life, use a handheld vacuum sealer and toss in an oxygen absorber to keep it dry.

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🧰 My DIY Onion Powder Toolkit:

– Dehydrator – Speeds up drying while preserving flavor and nutrients

👉 This is the one I use

– Vitamix Blender – Powerful enough to grind dried peels into a fine powder

👉 This is the one I use

– Glass Mason Jars – Reusable and perfect for spice storage

👉 These are my go-to jars

Oxygen Absorber Packs – Keep your powder dry and shelf-stable

👉 These are the ones I use from Amazon

Handheld Jar Sealer – Vacuum seal your jars for longer freshness

👉 Here’s the one I recommend

– Spice Jar Funnel – Makes it easy to transfer powder without a mess

👉 I love this metal ones

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Making your own onion powder is an easy, sustainable way to get the most from your produce. And once you taste it, you may never go back to store-bought!