[Mears]

What is in that-—it looks damned good?

.

[FlJoePa]

Cosmos (only known as such in Central PA) are heated/melted sandwiches. Like a grinder.

The classic Canadian Bacon Cosmo has:

Canadian Bacon - sliced thin and cooked on a griddle
Provolone - melted on the Canadian Bacon
Good PA sub roll
Mayonaise
Chopped onions
Chopped lettuce
Sliced Tomatoes
Topped with oil/vinegar