Caramelized Onion, Rosemary & Mozzarella Crostini

Sweet, savory, and oh-so-cheesy! Caramelized onions take center stage in this elegant yet easy appetizer. Think of it as a “deconstructed” French onion soup with a crispy crostini, melty mozzarella, and a sprinkle of rosemary. Perfect for parties or just treating yourself!