Oil 1 ear of corn; sprinkle with chili powder, ground coriander and kosher salt. Broil the corn, 2 plum tomatoes and 1 bunch scallions, 5 to 7 minutes. Chop the scallions and tomatoes; mash with 3 diced avocados, 2 minced jalapenos, 1/4 cup chopped cilantro and the juice of 1 lime. Add the corn kernels and season with more chili powder, coriander and salt.
Photograph by Charles Masters