In a large dutch oven, heat the oil on medium. Once hot, add in the onion, bell pepper and jalapẽno and sauté for 3-4 minutes. Stir in the garlic for 30 seconds. Add in the ground beef, raise heat to medium high and break up the meat using a wooden spoon until no longer pink. Stir in the tomato paste to coat all for 1 minute. Next, stir in the spices listed above. Then, mix in the rice, broth, beans, corn and bring to a boil. Lower heat to a simmer, cover the pan and cook for 17-20 minutes (time varies with rice brand).
Add in the half the scallions, half the cheese and mix. Evenly flatten out the mixture and top with the remaining cheese and scallions. Cover the pot again and give it a few minutes to melt. Serve with sour cream, avocados and chopped cilantro.