Add paprika, cumin, onion powder, pepper, salt, and cayenne to a gallon resealable bag and shake to combine. Then add the chicken breasts to the bag with the spices and shake to coat chicken evenly.
Heat oil in large skillet over medium-high heat. Cook chicken for about 7 minutes each side, or until cooked through.
Meanwhile, add avocado, Greek yogurt, lemon juice, garlic powder, salt, and pepper to a blender or food processor and blend until smooth.
Serve chicken with avocado sauce. Garnish with sliced green onions, if desired.
Air Fryer Instructions:
Lightly spray basket with avocado oil.
Bake at 360˚F/180°C for 8-10 minutes, or until center of chicken reads 158˚F/70°C then let it rest in foil for 5 minutes to finish cooking through.