It is important to find a caterer that is able to provide you with the dishes and fulfil the dietary requirements. So get researching! There are plenty of caterers that specialise in more than one cuisine.
When it comes to serving your food you'll need to consider the option carefully. The best catering restaurant in Spokane Valley provides food, decoration and all other arrangements in one package.
Some cultures are sensitive about the presence of certain types of food near their own so you'll need to take careful consideration of your families and other guests' wishes. Creating dishes that incorporate both cuisines or that each side of the family will be a safe and easy option to go for.
Of course this will require a lot of sample tasting from both sides of the family to make sure that the dishes suit everyone's palette. Having a buffet offers you a selection of different cuisines that reflect each heritage. Guests will also be able to have the option of what they choose to eat.
This is a cheaper and easier way to incorporate many dishes that truly capture both you and your fiance's heritage. Your caterer will have a wealth of information and experience, so your best bet is to discuss in detail with your catering company.