Cook the “Beef” according to its package instructions, seasoning with a dash of sea salt and cracked black pepper. Then, set aside.
Toast the sourdough until slightly golden brown. Then layer with sliced avocado.
Slice the mushrooms, the saute in avocado oil (or EVOO). Do not salt just yet. You want to get the mushrooms nice and crispy first. Wait until the mushrooms are fully cooked to add any seasoning.
Top the avocado with mushrooms and ground beef. Garnish with fresh basil and more cracked black pepper.