TheFork users who ate in Montmorency have said really good things about La Terrasse de Mathilde, Big Edouard and Au Coin! Bistrot Bar Chic. Maybe you should give them a try!
Some of the more popular Nut allergies restaurants that offer vegetarian options on their menu in Montmorency according to TheFork users include:
Obel Mamma, with a 9.2 rating
Au 2 Saint, with a 9.2 rating
Cocotte, with a 9.1 rating