Step 1

Preheat the oven to 350°F.

Step 2

In a 10-inch cast-iron skillet, cook the beef and onion over medium-high heat until the beef is no longer pink. Stir in taco seasoning, chili powder, and tomato sauce. Bring to a boil and reduce heat to low. Simmer 3-5 minutes, or until slightly thickened.

Step 3

Stir in tomatoes, beans, and corn. Simmer an additional 2 minutes. Remove from heat and top with shredded cheese. Then sprinkle the fritos over top.

Step 4

Bake 10-15 minutes, or until cheese is melted and bubbly.

Step 5

Top with your favorite toppings to serve.