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Blog Post

The Ins and Outs of Onion Sizes

We've talked about how to cook onions before, now let's talk about onion-industry-approved facts about how they're sized. 

Maybe you've been curious about what a medium onion is. I was, too, until I found the United States Standards for Grades of Onions from the USDA's Agricultural Marketing Service. Now, I know we aren't ones to let the government boss our food around, but their definition of a "medium onion" is one with a...

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Brooklyn Brainery is accessible, community-driven, crowdsourced education. read a bit more here!

Every month, we host a bunch of free events along with our classes. If your pennies need pinching you might want to check them out.

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Upcoming classes

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Tarot 101: Learn How to Do Tarot Readings for Yourself & Tap Into Your Intuition

Sat. June 20, 11am

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Toasting to Time: A Journey Through Green-Wood Cemetery with Crafted Cocktails

Sat. June 20, 3pm

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Tarot 201: Interpreting Card Spreads & Reading Others

Sat. June 20, 1:30pm

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Learn How to Read Tarot: Everything You Need to Know to Do Accurate Readings in 4 Hours!

Sat. June 20, 11am

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The Cemeteries of New Orleans

Mon. June 22, 7pm

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Brainery Annual Membership

Wed. June 24, 12am

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Brainery Class Calendar

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A Summer of Painting

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Introducing Brainery Annual Memberships

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Supply List: Watercolors

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Online Classes 2026

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Kayaking Jamaica Bay (for free!)

Our History

Since 2010, Brooklyn Brainery has hosted affordable classes for adults on anything and everything. Nowadays, we host almost 100 classes per month at our two locations in Brooklyn!

Our Philosophy

Teaching at the Brainery isn't about being a world-renowned expert on a topic, it's just about being excited to help people learn the things you're already excited about.

When you share your knowledge everyone benefits.

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Prospect Heights:
190 Underhill Ave
Brooklyn, NY 11238