Heat a Dutch oven or large pot over medium-high heat. Crumble the beef into the pot and cook until done. Remove to a paper towel-lined plate. Remove all but 1 tablespoon of the drippings.
Add the onion and peppers and cook until starting to soften.
Add the garlic and cook another minute.
Add the tomato paste, chili powders, oregano, paprika, cumin and pepper flakes.Stir.
Stir in the masa and 1/2 cup of water. The mixture will begin to thicken.
Add the tomatoes, corn, kidney beans and beef. Stir. Bring to a boil then reduce to a simmer and continue simmering for at least 15 minutes.