Sinnidra Taylor and her sister Aisha grew up in the Broadmoor neighborhood of New Orleans. Not seeing any obvious career paths open to her, Sinnidra moved to Houston, Texas to see if she might have better luck there. She didn’t—not really—but as she was looking through food pictures on Instagram one day she came across a weird looking waffle.

“It was so different,” Sinnidra Taylor says. “I was pretty much, ‘I have to kn...