In a large stove top pot or dutch oven, cook onion and peppers over medium-high heat for 2 minutes or until translucent.
Add ground beef. Cook the ground beef until no pink remains. Drain any excess fat from the pot.
To the pot add flour. Mix until beef is coated. Add taco seasoning, seasoned salt and lemon pepper. Mix well.
Increase heat and gradually add chicken broth, tomatoes, black beans and corn. Bring to a boil then, decrease heat to medium-low. Taste and adjust the salt, if needed.
Simmer covered on medium-low for 25-30 minutes.
After 25 minutes, uncover. To the pot add cubed Velveeta and milk. Stir constantly over low heat, until the cheese is completely melted.
Allow to bubble on low heat for another 10 minutes Add cilantro and 2 chopped green onions just before serving.
Serve immediately with your favorite toppings.