Set up your grill for cooking with the Vortex insert. Get the coals good and lit before starting.
In a pie pan, beat the eggs with the water.
In another pie pan, combine the flour, salt, pepper and garlic powder.
Working in batches, dip the chicken in the egg mixture and coat well.
Transfer the chicken to the flour mixture and coat well. Shake off any excess flour.
Transfer chicken to the grill, placing along the edges with the thickest parts of the chicken towards the center where the Vortex is located.
Cover the grill and cook for 15 minutes.
Rotate the lid 90 degrees and continue cooking for 15 more minutes.
Rotate the lid 90 degrees and continue cooking for 15 more minutes.
Check for doneness in the thickest parts of the chicken. If it needs more time, rotate the lid 90 degrees and continue cooking for 15 more minutes.
Before removing the chicken, lightly brush with BBQ sauce and let cook for another 5 minutes.
Serve drizzled with the salad dressing if desired.