01 - Heat vegetable oil in a large pot over medium heat. Add diced onion and red bell pepper; sauté for 4 to 5 minutes until softened.
02 - Stir in minced garlic and chopped jalapeño; cook for 1 minute until fragrant.
03 - Add ground beef, breaking it up with a spoon. Cook for 6 to 8 minutes until browned and fully cooked. Drain excess fat if needed.
04 - Mix in chili powder, cumin, smoked paprika, cayenne pepper, oregano, salt, and black pepper. Cook for 1 minute to release aromas.
05 - Add tomato paste and stir constantly for 1 minute.
06 - Pour in diced tomatoes with juices, beef broth, and kidney beans; stir thoroughly to combine.
07 - Bring mixture to a simmer. Reduce heat to low, cover, and cook for 40 minutes, stirring occasionally.
08 - Taste and season as needed. For thicker consistency, simmer uncovered for an additional 10 minutes.
09 - Serve warm topped with sour cream, shredded cheddar, fresh cilantro, or sliced green onions as desired.