Place the sliced chicken breast on a piece of aluminum foil and place the garlic powder, ghee, chopped fresh garlic, and sea salt over it. Rub everything over the chicken breast slices.
Fold up the foil so that it covers the chicken breast. Place it on a baking tray and bake for 20 minutes. The chicken breast should be cooked through (no pinkness in the middle and your meat thermometer should read above 165F (75C) for the middle of the chicken breast.
While the chicken is baking, start on the Creamy Asparagus Mash.