Make the secret mayo mixture

• In a bowl, combine the mayonnaise, grated cheddar and chopped herbs.
• Mix everything together until well blended.

Slice the bread

• Cut the sourdough bread into nice thick slices.

Butter and layer

• Butter the bread on both sides.
• Start layering the cheeses on the bread.
• Spoon the mayo mixture right in the middle of the grilled cheese.

Sear the sandwich

• Sear the sandwich on both sides until the cheese is nice and melted.

Serve

• Enjoy your sandwich while it's hot.