Dinner Tonight: Roasted Cauliflower with Indian Spices

Name: Dinner Tonight: Roasted Cauliflower with Indian Spices
Ingredients: 1 large head cauliflower, broken into florets; 4 tablespoons neutral oil, such as canola; One (1-inch) piece ginger, peeled and minced, about 1 tablespoon; 1 teaspoon cumin seeds, toasted in a dry skillet, ground; 2 serrano chilis, minced; 2 teaspoons coriander seeds, toasted in a dry skillet, ground; 1/2 teaspoon turmeric; 1/4 teaspoon cayenne; Kosher salt; 1 cup canned diced tomatoes (or fresh in season); 1/4 cup chopped cilantro; 1 lime, cut into wedges; Cooked rice, for serving