There are many things to eat in Switzerland, but these are foods that Switzerland is known for.
Chocolate! What's more to be said? Switzerland has the best chocolate.
Raclette is a type of cheese that you heat up then scrape off and eat with potatoes and other things. Beware you need to have a special raclette maker to make it.
Fondue is melted cheese that you dip bread and potatoes into.
Rosti is like hash browns but waaaaaay better.