1In a large pot, cook the ground beef over medium heat until browned. Drain any excess fat.
Add the chopped onion and bell pepper to the pot. Cook until the vegetables are tender, about 5 minutes.
Stir in the minced garlic and cook for another minute.
Add the red beans, corn, and diced tomatoes (with their juice) to the pot. Stir to combine.
Season the mixture with chili powder, cumin, oregano, salt, and pepper. Stir well.
Bring the chili to a boil, then reduce the heat to low. Simmer for 20-30 minutes, stirring occasionally.
Taste and adjust the seasoning if necessary. Serve hot.