For the butter... Cream in a bowl the butter and add all the rest of the ingredients, except the snails. Preheat an oven to 200ºC . 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...