In a large stock pot over medium-high heat, add the oil wait to the oil smokes then add stew meat and cook until browned on all sides, then add the ground beef until browned. Next, add the onions, spice mix and stir together. Add the cocoa, garlic and jalapeños, mix together and cook for 2 minutes. Next, add the pinto beans and cook for another minute. Add the black beans, diced tomatoes, tomato sauce and broth, cover and simmer for 1 hour, stirring occasionally.