It's cheap and easy to make double-strength cold brew coffee at home

Why spend $3 on cold brew coffee at Starbucks when you can make your own?

Cold brew isn't just hot coffee mixed with ice. It's hot coffee's delicious, aromatic cousin that puts regular iced coffee to shame with its nutty, smooth, complex flavor.

Brewing with this method also makes the coffee double the strength thanks to a higher bean-to-water ratio and longer steeping time, plus it's cheap and easy to make yourself at home.

All you need is a water pitcher, nut bag, espresso coffee beans, and a coffee grinder.

We combined recipes from Chowhound and former Business Insider reporter Walter Hickey's amazing post on cold brew. Keep reading to see how easy it is to make your own.

There are lots of great cold brew coffee options out there, but many of these bottles were expensive considering the amount of cold brew you'd get.

And why buy it when you can make cheap, strong, and delicious cold brew coffee at home?

Here's what you'll need: A coffee grinder ...

Buy it here for $36 or see other coffee grinders here.