Instructions

Cut the sourdough vertically and horizontally, but not all the way through the bread!

Sautee mushrooms in olive oil, adding salt and pepper

Stuff bread with slices of provolone, then fill with mushrooms

Melt 1/2 cup of butter and mix with green onions. Pour over bread, getting into the cuts as much as possible

Wrap bread in foil

Cook at 350 for 15 minutes