Josh Greenfield is one-half of fraternal culinary duo Brothers Green. Greenfield and his brother, Mike, are professional cooks—despite lacking a background in professional training. The two picked up the skill through poring over cookbooks, ol’ fashioned practice, and, of course, television.

The Brothers Greenfield also have their own YouTube channel, which features everyday, achievable solutions like how to get creative with pancake batter, amazing ramen tricks, and recipes using just eggs. So it wasn’t too surprising when Josh announced a new series: He will be cooking and eating three meals a day, all for $1 each. That’s $3 a day and $21 total for an entire week.

It’s a daunting challenge in this Seamless- and Postmates-driven world—especially in very pricey Manhattan—but the Greenfields hope that the video series will alter the way we view food forever.

“I didn’t want to just cook crap,” Josh shares in the video. “I didn’t want to just live off ramen, hot dogs … I wanted to eat some of the best food I’ve ever made my entire life.”

Watch the first installment below to see what he ends up doing with a package of tortillas, brown rice, vinegar, jalapeños, carrots, and more.

Redditors also shared their own tips on eating well on very little:

Oh, and we know what you’re thinking: Josh and Mike both have already competed on Chopped—although they didn’t exactly make it very far: