Preheat your oven to 400°F and line a large baking sheet with parchment paper for easy cleanup.
Peel the russet potatoes and dice them into 1-inch cubes to ensure they cook evenly.
Place the potato cubes in a pot of cold salted water, bring to a boil, and simmer for about 15 minutes until they are fork-tender.
While the potatoes boil, pat the chicken breast dry and rub it thoroughly with olive oil, dried oregano, dried thyme, salt, and black pepper.
Place the seasoned chicken on the baking sheet and roast in the oven for 20 to 25 minutes, or until the internal temperature reaches 165°F.
Trim the woody ends off the asparagus, toss them with a tiny bit of oil, and add them to the baking sheet during the last 10 minutes of the chicken's roasting time.
Drain the cooked potatoes and return them to the warm pot.
Mash the potatoes with the ghee, minced garlic, and unsweetened almond milk until the texture is smooth and creamy.
Slice the roasted chicken breast and serve it over a generous bed of the garlic mashed potatoes with the roasted asparagus on the side.