Place the chicken breast in a shallow bowl and pour the buttermilk over it, ensuring it is fully coated.
In a separate small bowl, whisk together 3 tablespoons of whole wheat flour, garlic powder, onion powder, smoked paprika, sea salt, and black pepper.
Remove the chicken from the buttermilk, letting excess drip off, then dredge it thoroughly in the seasoned flour mixture.
Heat avocado oil in a medium skillet over medium-high heat until shimmering.
Carefully place the chicken in the skillet and cook for 5-6 minutes per side until the crust is golden brown and the internal temperature reaches 165°F.
Remove the chicken from the pan and set aside to rest.
Reduce heat to medium, whisk 1 teaspoon of flour into the remaining pan drippings for 30 seconds, then slowly whisk in the almond milk.
Simmer the gravy until thickened, stir in the fresh parsley, and pour over the chicken before serving.