I have found the ultimate grilled cheese combination!

• 1 slice Provolone
• 1 thick slice of gruyere
• 3 small square slices of cheddar
• 2 tbsp sauteed onions
• Spreadable butter
• grated parmesan

1 – Spread butter on the outsides of two slices of bread.  Sprinkle parmesan on top of the butter and spread (these will be the outer parts of the sandwich).  Combined cheese slices evenly in between the two slices of bread and cook in a pan (or panini press) until lightly brown. Voila!  The best grilled cheese ever!