01 -
Set your oven to 400°F and cover a baking tray with parchment paper.
02 -
Coat one side of each slice of bread with a thick layer of butter.
03 -
If you're using Parmesan, press it into the buttered sides of the bread.
04 -
Lay 4 slices, butter side facing down, layer on the cheeses, then put on the other slices butter side up.
05 -
Start baking on the bottom shelf for 4-5 minutes. Flip the sandwiches and bake 2-3 minutes more until nicely golden.
06 -
Let it sit for a bit to cool down, then slice and enjoy.