Place the chicken breast in a bowl with buttermilk and marinate for at least 30 minutes.
In a shallow dish, combine 2 tablespoons of flour, garlic powder, onion powder, smoked paprika, salt, and pepper.
Remove chicken from buttermilk, letting excess drip off, then dredge thoroughly in the seasoned flour mixture.
Heat avocado oil in a skillet over medium heat and sear the chicken until golden brown and cooked through, about 5-6 minutes per side.
Remove chicken from the pan and set aside; wipe the pan slightly but keep the browned bits.
Add ghee to the pan, whisk in 1 tablespoon of flour for 1 minute, then slowly pour in almond milk and chicken broth.
Whisk constantly until the gravy thickens, stir in fresh thyme, and season with extra pepper.
Serve the crispy chicken topped with the warm, velvety gravy.