Heat olive oil in a large skillet over medium heat. Add onion and garlic and cook until softened, about 5 minutes. Stir in cumin, chili powder, salt, and pepper; cook and stir for 1 minute.
Stir in chicken, green chiles, tomatoes, cilantro, cheese, and salsa. Cook and stir until heated through. Remove from heat.
Roll out pie crust and place in a 9-inch pie plate. Pour chicken mixture into crust.
Bake in preheated oven for 30 minutes, or until crust is golden brown.
Interesting Facts
Chiles rellenos is a traditional Mexican dish that consists of roasted, stuffed peppers.
It is usually prepared with poblano peppers that are stuffed with cheese, meat, or vegetables.
This dish is typically served with a tomatillo-based salsa and a side of Mexican rice.