The pain surprise is the French appetizer for big gatherings: from the outside, a handsome country loaf; lift its lid and it's packed with little sandwiches fitted together like a puzzle, three fillings in layers. Kids love uncovering it, grown-ups keep going back.
It all comes down to the cutting: getting the crumb out in one piece without piercing the crust, then slicing it into even rounds. Day-old bread and a spell in the freezer make it much easier than it looks.
Good to know · Smoked salmon and cream cheese: keep the bread in the fridge until serving and don't leave it on the table for more than 2 hours. Smoked salmon is not advised during pregnancy (listeria risk): save the ham layer for pregnant guests.