Preheat oven to 350 degrees F.
Scoop the inside of each mushroom to make room for the stuffing.
Place each mushroom into a 9 by 13 baking dish. Set aside.
Brown the sausage in a skillet over medium heat.
Once browned, stir to seasonings and combine. Taste and adjust seasonings as desired.
Place the cream cheese in a stand mixer then add in your sausage.
Blend until combined.
Stuff each mushroom with mixture. ( If making ahead, you can cover and refrigerate for up to 2 days.)
Bake for 30 minutes.
Once out of the oven sprinkle on chili pepper and parsley if desired.
Remove mushrooms to a serving platter.
Enjoy warm or at room temperature.