Preheat your oven to 375°F (190°C).
In a mixing bowl, combine the finely chopped garlic, softened unsalted butter, and extra-virgin olive oil. Mix well.
Using a serrated knife, carefully slice the French bread in half lengthwise.
Spread the garlic butter mixture generously over the cut sides of the bread.
Sprinkle the shredded mozzarella and Monterey Jack (or your chosen cheese blend) evenly over the buttered bread halves.
Sprinkle the chopped fresh parsley or dried Italian seasoning over the cheese.
Place the prepared bread halves on a baking sheet and bake for 10-15 minutes, or until the cheese is melted and bubbly.
Let your Easiest Cheesy Garlic Bread cool for a minute, then slice and serve warm.