Toast cumin, coriander, and peppercorns in a small skillet over medium-high heat until fragrant, about 2 minutes. Transfer to a plate to cool. Grind in a spice grinder or with a mortar and pestle, transfer to a bowl, and stir in cinnamon and salt. Season
Preheat grill to medium-high heat and lightly brush hot grill with oil. Grill steaks until charred in places on bottom, 8 to 10 minutes. Turn steaks and add okra, tomatoes, and chile. Grill until vegetables are charred in places and tender, and a thermome
Meanwhile, coarsely chop okra, tomatoes, and chile and transfer to a bowl. Toss relish with mint and season with salt. Thinly slice steaks across the grain and serve with relish.