"la grand-mère sert le gâteau d'anniversaire"
A birthday cake in French is 'un gâteau d'anniversaire'
The best ideas for anyone's birthday cake would be colors, flowers or decorations that reflect the tastes, experiences and favorite things of the honored guest. For example, if the grandmother loves roses and gardening, a cake decorated with roses and garden-related things would be best. Similarly, if the grandmother loves cats, or dogs or birds, the cake could be decorated with cats, dogs or birds. Design the cake according to the person being honored.
Canadians (for the most part speak English) so a birthday cake would be called a birthday cake. However, for the francophones (french speakers) in Canada a birthday cake would be called: gâteau d'anniversaire
"Birthday cake" is not a variety of cake, and there are too many variables to be able to give any sort of reasonable answer. Specify what sort of cake you have for your birthday, and a more specific answer can be provided.
You can get a birthday cake when it is your birthday.
You don't HAVE to, but I would advise it unless you're already serving cake and ice-cream.
you have a birthday cake
The singular possessive form for the noun grandmother is grandmother's.example: This is my grandmother's recipe for lemon cake.
Bella's birthday cake was Pink.
Birthday surprises
She honored Michael Jackson with a cake on his 44th birthday.
Is it a birthday cake. If so, it is added to your account on your birthday.