01 - Heat 1 tablespoon olive oil in a large pot or Dutch oven over medium heat. Add diced onion and red bell pepper; cook for 3 to 4 minutes until softened.
02 - Incorporate minced garlic and jalapeño if desired; sauté for 1 minute until fragrant.
03 - Add ground turkey and cook, breaking up pieces with a spatula, until browned and no longer pink, approximately 5 to 6 minutes.
04 - Stir in chili powder, ground cumin, smoked paprika, dried oregano, salt, black pepper, and cayenne pepper if using. Cook for 1 minute to release flavors.
05 - Add crushed tomatoes and low-sodium chicken broth. Bring mixture to a gentle simmer.
06 - Incorporate kidney beans and corn; stir thoroughly to combine.
07 - Reduce heat to low, cover, and simmer for 25 to 30 minutes, stirring occasionally for even cooking.
08 - Taste and modify seasoning as needed. Serve hot, optionally garnished with cilantro, green onions, cheese, or sour cream.