Heirloom corn—hundreds of pounds in shades of blue, yellow, red—is boiled and steeped for hours in an alkaline solution, a process called nixtamalization. Then it’s rinsed, milled ...

there's much more variety in this plant beyond the bright yellow kernels on the cob that you see peaking through at Publix. Colors of heirloom or "landrace" corn maize range from blue and red to p ...