Season both sides of chicken breast with salt and pepper.
Heat a large skillet to medium high heat. Add in avocado oil and seasoned chicken breast.
Cook chicken breast for 4-6 minutes per side, or until chicken is no longer pink.
Remove from heat and let cool for 10 minutes. Shred chicken breast.
Add shredded chicken breast to a large bowl along with mashed avocado, celery, red onion, dijon mustard, lemon juice, basil, cumin and garlic powder. Using a spoon, mix everything together until well combined.
