40 dried corn husks (about 5 ounces)
4 cups masa harina (corn flour)
1/4 teaspoon baking soda
2 teaspoons sea salt
4 cups low-sodium chicken broth, warmed
1 cup lard or vegetable shortening, melted
6 poblano chile peppers
4 tablespoons unsalted butter
1 tablespoon vegetable oil
1 cup chopped white onion
1 cup chopped scallions
1/2 cup diced tomatoes
1 tablespoon apple cider vinegar
Kosher salt and freshly ground pepper
1 pound smoked cheddar cheese, coarsely grated (about 4 cups)
1/2 pound Vermont white cheddar cheese, coarsely grated (about 2 cups)
1 cup sour cream
1 tablespoon grated lime zest