Nixtamal tortillas at Nico's Taco & Tequila Bar
Since opening Nico's Taco & Tequila Bar in Minneapolis about seven years ago, Alejandro Victoria has had a dream. His food always emphasized the Indigenous ingredients and flavors of his Michoacan culture, but the tortillas he used, while made by small businesses in Minneapolis, were not the ones he remembered so fondly from his childhood in Mexico, where his father was a corn farmer.
"When I would sit at grandma's clay oven, she would give me breakfast of just a tortilla with rock salt, and when she rolled it the salt would melt right into the tortilla," he recalled. "The No. 1 thing I want to do when I go back to Mexico is have a tortilla with salt." (No. 2 is tequila, he added.)
The difference is in the corn. Commercial tortillas are made with processed corn flour that's been dusted with an anticoagulant that keeps the meal from sticking together.
Heritage corn, like that grown on Victoria's family's farm, is nixtamalized — it's soaked in wet limestone dust (originally, ash was used) that both contributes to and breaks open the flavor of the kernels.
"Like wine, it takes on the flavors of wherever you harvested the limestone," Victoria said.
It was a process that didn't especially interest him until his father died. "It was an incredible chore when I was younger," he said. "Today it seems like the most important thing in my life."
The process not only makes the corn more nutritious and easier to digest, but imparts complex, nutty flavors that you won't find in a regular corn tortilla sold in bags at the grocery store.
One variety Victoria is highlighting now is rosado heirloom corn, and it's a pinkish color. "It almost tastes like flour, but not," he explained. "You eat it alone in your mouth, it's a little bit bitter. But when you nixtamalize it, it becomes buttery, almost sweet."