Preheat the oven to 350 degrees F.
Taking a serrated knife, cut across the top of the dough 1 inch apart all the way across.
Cut all the way to the bottom with cutting through the crust.
Turn the dough and cut across the first cuts to make diagonal cuts.
Heat the butter in a small saucepan and add the garlic and salt.
Note: If using salted butter, omit the salt.
Pour the melted butter mixture into the crevices of the loaf. You can use a pastry brush to make sure the mixture makes it throughout the loaf.
Stuff the shredded cheese into the bread as evenly as possible.
You can either place on a piece of parchment paper in a Dutch oven, or you can bake with the loaf wrapped in aluminum foil.
If baking in a Dutch oven, bake with the lid on for 10-15 minutes and with the lid off for 10 minutes until the cheese is completely melted and bubbly.
If baking in aluminum foil, bake for 20-25 minutes.
Serve as an appetizer or a side dish to soup or pasta.