Step 1

Place the bread in panini grill.

Step 2

While the bread is getting grilled, in a mixing bowl, mix mayonnaise and onion and keep aside.

Step 3

After the bread gets grilled, spread 2 tablespoon mayonnaise onion mixture on the bread slices.

Step 4

Over this, spread 2 tablespoon grated parmesan cheese.

Step 5

Spread 1 teaspoon butter on top of this and microwave this for 1 minute or until the cheese starts bubbling.

Step 6

Garnish with Italian seasoning.