TheFork users who ate in Montigny-le-Bretonneux have said really good things about Choiseul, Punjab Palace and BAVAR. Maybe you should give them a try!
Some of the more popular Lamb restaurants that offer vegetarian options on their menu in Montigny-le-Bretonneux according to TheFork users include:
Choiseul, with a 8.7 rating
Punjab Palace, with a 9 rating
BAVAR, with a 8.6 rating