Preheat oven to 425.
Bring a large pot of salted water to boil. Add potatoes and cook until easily pierced by fork.
Drain potatoes and allow to cool slightly.
Transfer potatoes to large mixing bowl and mash down until no lumps remain.
Add flour, egg and goat cheese. Mix until just combined using a spatula or hands.
Using a gnocchi board (linked in post) or hands roll into gnocchi shapes adding more flour to keep from sticking and if too wet.
Bring same large pot back to boil with new salted water. Boil gnocchi for about 3 minutes or until floating. Drain but don't rinse.
Meanwhile in small dish combine bread, 2 tablespoon olive oil, ¼ teaspoon salt, ½ teaspoon pepper and one minced garlic clove.
Bake for 10 minutes. Remove from oven.
Stir in one cup of cheese.
Meanwhile prepare sauce. Add remaining olive oil to large skillet over medium heat. Once warm add mushrooms and saute for a few minutes.
Add butter. Once melted add garlic and saute for a minute.
Add thyme, sage, remaining salt and pepper. Saute for a couple more minutes.
Stir in white wine. Simmer for a few more minutes.
Plate gnocchi, top with herb butter sauce, breadcrumbs and fresh Parm.