8 ounce box of largish button mushrooms, stems removed but saved for another dish.
8 ounces fresh spinach leaves
a small shallot, finely chopped
a small clove of garlic
bread crumbs
coarse grated parmessan cheese
butter
Chop the spinach and clove of garlic and shallot together and saute lightly in a pan with melted butter. You do not want to saute this until it is mush, just a light cook is all. Fill the mushroom caps with the spinach mixture and place filled side up in an 8" X 8" cake pan that has been sprayed with a shot of PAM .
Using the same saute pan, melt butter and bread crumbs together. You need enough butter to really coat the crumbs, but you don't want it running all over. When the crumbs are well coated, add about 1/4 cup of the cheese and remove from heat. Spread the crumb/cheese mixture over the spinach mixture in the mushrooms and then put under a broiler with the rack about 10" below the burner and the broiler setting set on low. Brown the crumb mixture well, but not black.
These go with any meat but are maybe at their best with a good steak. I like them any time and with any meat. Very, very infrequently we'll have a couple left over in the fridge and those get eaten cold by moi first thing in the morning.