Preheat oven to 350 ℉
Heat the oil in a large pan over medium-high heat. Add in the onion and bell peppers and saute until soft - about 5 minutes.
Add in the garlic and saute until fragrant - about 1 minute.
Add the ground beef to the pan along with the Mexican spice and salt, breaking it up as it cooks. Cook until it is no longer pink - about 7 minutes.
Add in the black beans, corn, and green chilis and mix until combined. Continue cooking for about 3 minutes.
In a large sheet pan lined with foil, spread the chips in an even layer. Layer the meat mixture on top in an even layer. Top with evenly distributed cheese.
Bake for about 5-7 minutes, or until the cheese is melted to your liking.
Garnish with cilantro and serve with other toppings such as lime wedges, salsa, sliced avocado, sour cream, pico de gallo, queso, or guacamole! Enjoy!