Cheesy Chicken Garlic Bread Sandwich

Ingredients

• 2 boneless, skinless chicken breasts
• 1 teaspoon salt
• 1/2 teaspoon black pepper
• 1 tablespoon olive oil
• 1 teaspoon garlic powder
• 1 cup shredded mozzarella cheese
• 1 cup shredded cheddar cheese
• 4 slices of thick garlic bread
• 2 tablespoons unsalted butter, softened
• 1 teaspoon Italian seasoning
• 1/2 cup mayonnaise
• 1 tablespoon freshly chopped parsley (optional for garnish)
• 1/2 teaspoon paprika