Saute onion in butter in ... translucent. Stir in chicken, salsa, and seasoning mix. Simmer, uncovered, over low ... minutes. Meanwhile, heat taco shells. Spoon chicken mixture into ... cheese. Top with salsa.
Preheat oven to 350 degrees. ... translucent. Stir in chicken, 1 cup taco sauce and seasoning mix. Simmer, uncovered, over low ... Continue as directed above.