Make the garlic butter

• Mix the softened butter with the grated garlic until well combined.

Spread the bread

• Spread the garlic butter on the outer sides of the bread slices.
• Spread the pesto on the inner sides.

Build the sandwich

• Layer the mozzarella slices, tomato slices and basil leaves on the pesto side.
• Drizzle with the balsamic glaze and close the sandwich.

Grill the sandwich

• Place the sandwich in a pan over medium heat.
• Cook until golden and the cheese is melted, flipping halfway.

Serve

• Cut the sandwich in half and serve warm.