It's not a pastry, but a Baguette with a roast meat, salad, cheese slice with a mustard sauce. When I have another one I'll ask for more details why it's named

It's not a pastry, but a Baguette with a roast meat, salad, cheese slice with a mustard sauce. When I have another one I'll ask for more details why it's named so. The 'montagnard' reference is accurate and describes a political group during the '48 revolution. 23 June 1848, look it up. cf: https://en.wikipedia.org/wiki/The_Mountain_%281849%29 https://en.wikipedia.org/wiki/The_Mountain_%281849%29