01 -
In a skillet over medium heat, cook the ground beef until browned. Drain excess fat.
02 -
Place browned beef, bell peppers, onions, garlic, kidney beans, black beans, chili beans with liquid, corn, and diced tomatoes with green chilis into the slow cooker.
03 -
In a separate bowl, whisk together tomato sauce, tomato paste, chili seasoning, brown sugar, and root beer until smooth.
04 -
Pour the sauce mixture over the ingredients in the slow cooker and stir to combine.
05 -
Cover and cook on low for 6 hours or on high for 4 hours until thick and flavorful.
06 -
Ladle chili into bowls and top with scallions, shredded cheese, sour cream, or optional garnishes like jalapeños, tortilla chips, or avocado.