Guest

Loren Castle

Founder and CEO of Sweet Loren’s, the refrigerated cookie dough brand sold in tens of thousands of stores.

Circuit updated October 19, 2026

Notable quotes

“this isn't going to be my story. Like, I'm going to dream of a happier, fulfilling, abundant life. And I'm going to do whatever hard work I need to do to get there.”
Loren Castle · How I Built This with Guy Raz
“I tried to hire food scientists to help me because I thought that, like, that would be the easy solve. And the food always tasted like a science project.”
Loren Castle · How I Built This with Guy Raz
“I think 1 % of Americans are celiac, but almost 20 % have some dietary restrictions or food allergies. And so it's not as niche as everyone thinks.”
Loren Castle · How I Built This with Guy Raz
“And we launched that in 2017 and it became our number one SKU. It outsold everything else.”
Loren Castle · How I Built This with Guy Raz
“By year five, we were probably 350 ,000.”
Loren Castle · How I Built This with Guy Raz

All coverage

How I Built This with Guy Raz·Money

Loren Castle says Sweet Loren’s became profitable after allergen-free cookie dough outsold every original flavor in six months

The cookie dough company’s breakthrough was not making a slightly healthier Toll House rival, it was realizing the supposedly niche allergy aisle was the main event.

Oct 19, 2026