01 -
Put all your stuff together and make sure you've rinsed those snails really well.
02 -
Turn your oven on to 375°F (190°C).
03 -
Stir the soft butter together with the shallots, garlic, celery, parsley, salt, and pepper until everything's mixed up good.
04 -
Drop a little butter mixture and one snail into each mushroom top. Coat the outside of each mushroom with some leftover butter mix.
05 -
Put your filled mushrooms on a flat baking tray with room between them.
06 -
Pop in the oven for 15 minutes until mushrooms get soft and the filling's hot. Eat right away.