Ingredients:
1 head cauliflower, cut into small florets
1 poblano chile pepper, seeded and diced
4 scallions, roughly chopped, plus more for topping
3 tablespoons vegetable oil
1 tablespoon chili powder
1/2 teaspoon ground cumin
Kosher salt
3/4 cup cornmeal
1/2 cup all-purpose flour
2 teaspoons baking powder
1 tablespoon packed light brown sugar
4 tablespoons cold unsalted butter, cubed
2/3 cup cold buttermilk
2/3 cup shredded sharp cheddar cheese
1 15-ounce can black beans, undrained
1 8-ounce can tomato sauce
1 1/4 cups frozen fire-roasted corn, thawed
1 1/2 cups low-sodium vegetable broth