Cast Iron Pork Tamale Pie | America's Test Kitchen

Ingredients

• 1/4 cup vegetable oil
• 1 pound ground pork
• 6 scallions , white and green parts separated and sliced thin
• 2 tablespoons chili powder
• 1 tablespoon minced fresh oregano or 1 teaspoon dried
• Salt and pepper
• 1 (15-ounce/425-gram) can can black beans , rinsed
• 1 (14.5-ounce/411-gram) can can diced tomatoes
• 1 cup frozen corn
• 1/2 cup chicken broth
• 4 ounces (113 grams) pepper Jack cheese , shredded (1 cup)
• 3/4 cup (3¾ ounces/106 grams) all-purpose flour
• 3/4 cup (3¾ ounces/106 grams) cornmeal
• 3/4 teaspoon baking powder
• 1/4 teaspoon baking soda
• 3/4 cup buttermilk
• 1 large egg