Mix together the salt, pepper, garlic powder, chili powder, ground cumin, oregano, paprika
Coat the chicken tenders in the seasoning mixture by rolling them in the mixture or by sprinkling both sides of the tenders with seasoning.
Heat the olive oil in a large non-stick frying pan
Add the seasoned chicken to the hot oil. Cook until done or about 6 or 7 minutes.
Remove the chicken and add the sliced onions and bell peppers to the same pan.
Saute until tender, approximately 4 or 5 minutes.
Add the chicken back in with the vegetables and mix them together thoroughly.
Serve with warm tortillas, salsa, sour cream, and sliced avocados.