The minimum one needs is sensitiveness to the customer.
This you will find completely missing at most of the Grandma Kitchen restaurants.
most experienced waiters become manager here.
food is made by some chinese cooks trained by their head chinese cook who once got trained by some foreigner.

The only good thing is the decor , u feel good about the way it is done .

We ordered some burger,some sandwiches,coffee
everything was too average for any standards.

When we asked for coffee to go with the food,the waiter vanished and came back after 15 minutes,but the time our food was cold .He just dumped it on our table and even didnot say sorry .

Once upon a time these restaurant got some westerners..but with the new good western original restaurants opening up grandmas kitchen will be a story soon,that once upon a time there was grandmas kitchen

Grandma's (i tend to frequent the Jianwai location) is a good, dependable choice for reasonably priced American comfor food.

9 times out of 10 I go for breakfast, and I particularly appreciate the fact that they're very tolerant of my messy toddler whose hit-to-miss ratio on getting a morsel of food into her mouth is currently at about 1:3.

Service ain't all that wonderful and they seem to always have some new trainees in there but for the most part they smile and do their best.

In terms of kid-friendliness they have plastic tableware for the young ones and usually supply pens and paper for coloring.