I used a bunch of leftover stuff,
Cup of white cheddar
Mustard
nutmeg,
4 tbsp of butter
Packet of 8 brioche buns that were a bit stale, diced
1.5 Onions,
Parsley,
Half packet of prosciutto,
I use this bechamel recipe Bechamel. And put half a cup of cheddar, 2 eggs, and a little more nutmeg in a...