Season chicken breasts or thighs with salt, pepper, garlic powder, and cumin
Heat a skillet over medium-high heat with a little oil
Cook chicken for 5–7 minutes per side until browned and fully cooked
Check that the internal temperature reaches 165°F
Remove chicken from the pan and let it rest for 5 minutes
Slice or shred the chicken into small pieces
Toss with a little salsa, taco seasoning, or lime juice if desired
Use the cooked chicken as quesadilla filling with cheese and tortillas