For the butter.
Cream in a bowl the butter and add all the rest of the ingredients, except the snails.
Preheat an oven to 400℉ (200℃).
Wash and clean the snails according to package directions; wash and clean the shells according to package directions.
Put a little of the Snail Butter into the bottom of each shell; add the snails; and fill the shells with more of the Snail Butter.
Place the shells in small dishes, with open ends up.
Sprinkle with dry bread crumbs.
Pour 2 Tablespoons dry white wine in bottom of each dish.
Bake for 8 minutes.
Serve with warmed French Bread to mop-up the extra sauce.