Prep the ingredients per the instructions above.
In a pot of boiling water, cook the quinoa according to the instructions on the package. While the quinoa is cooking, make the sauce.
Make the sauce: Pulse all the ingredients in a blender until smooth. Add a few droplets of water if needed to smooth out the consistency. Season with salt and pepper to taste. Set aside.
Heat a grill or griddle pan to medium heat.
Prep chicken: Drizzle the chicken on both sides with oil, then season with paprika, garlic powder, salt, and pepper.
Cook chicken: Grill the chicken for about 6 minutes per side to an internal temperature of 160 °F (71 °C) using a thermometer. Once cooked, let rest for 3 minutes. While resting, prep ingredients.
Finish quinoa: Once the quinoa is cooked, drain any excess water, season with salt to taste, and cover with a lid to keep warm.
Finish chicken: Dice into bite-sized pieces.
Heat a nonstick pan on medium heat. Warm the naan on both sides until golden brown. Then cut into wedges.
Serve: Place the quinoa in a bowl and top with chicken, tomatoes, avocado, feta, and onion. Drizzle with sauce. Enjoy with naan and sparkling water.