Start by preparing the mushrooms. Then, brown the sausage next. Add the chopped onion and cook.
1
Add the garlic, marjoram, sea salt, and fresh ground black pepper, then cook. After cooling, add the mixture to a bowl with the cream cheese, Parmesan cheese, breadcrumbs, and some parsley. Stir.
2
Scoop the mixture into the mushroom caps. Sprinkle with remaining parsley and bake.
3