I know it isn't a sitdown, it is a buffet, but the BEST breakfast we have had in a Disney resort restaurant is at 1900 Park Faire. The buffet has absolutely ANYTHING that anyone would ever desire, and the chefs preparing the create your own omelets were fantastic. The food was delicious, the service was impeccable, and the characters were fun, but not overbearing. Alice and Mary Poppins are charming. This character meal is not at all loud like many are, and we didn't see kids up running rampant, either. It was a big hit with our family whose ages consist of 2 61 year olds, 1 40 year old, 1 39 year old, and one 8 year old.
Go and enjoy, and Happy Birthday to MOM!
Also, let then know when you make the PS that it is her birthday, and remind the server when you get there. They brought out lovely little cupcakes and sang Happy Birthday to all who were celebrating that occasion!