What is fontina cheese and what other cheese can substute it?

Answer 1

there are several types of fontina (American, danish, italian)

Italian fontina is a bit nutty, semisoft cheese that melts very well. use gruyere cheese as a substitute. not aged gruyere.

you can also use mozzerella, but flavor is obviously different.

Answer 2

I hate answering with links, but this answers your question perfectly:

http://www.gourmetsleuth.com/equivalents_substitutions.asp?index=F&tid=2269

Answer 3

a baby swiss.