MongoDB C# Driver - How to InsertBatch using a List of Dictionary<string, string>

I'm new to mongodb + C# driver so forgive any naivety on my end. I'm attempting to do a batch insert on a collection of key-value-pairs and as such my data structure is of type `List<Dictionary<string,string>>`. Here's a sample of my persistence code: ``` public void Persist(string collectionName, List<Dictionary<string, string>> documents) { string connectionString = ConfigurationManager.ConnectionStrings[CONNECTION_STRING_KEY].ConnectionString; MongoServer server = MongoServer.Create(connectionString); MongoCredentials credentials = new MongoCredentials("MYUser", "MyPassword"); MongoDatabase myDb = server.GetDatabase("myDb", credentials); var collection = myDb .GetCollection(collectionName); using (server.RequestStart(myDb )) { var result = collection.InsertBatch(documents); } } ``` I get an error about serialization: MongoDB.Bson.BsonSerializationException: Serializer DictionarySerializer expected serialization options of type DictionarySerializationOptions, not DocumentSerializationOptions. Am I missing settings? EDIT: More Information My dictionaries are my entities. Meaning, instead of created an object to hold properties, I just dump them into a `Dictionary`. From mongo documentation, it appears as this should just translate to a mongo `Document`. FURTHER EDIT: Twist Question I was able to get a single instance to insert by changing the using statement to: ``` using (server.RequestStart(myDb)) { foreach(var doc in documents) collection.Insert(new BsonDocument(doc)); //var result = collection.InsertBatch(typeof(Dictionary<string, string>), documents); } ``` However, my concern is performance since under a real scenario I will easily have 10k+ dictionaries. Using this code, is the driver smart enough to batch these? is there a way to keep InsertBatch but accomplish the same thing? Of course, any help is much appreciated.