Caramelized Onions, Pesto, and Grilled Mozzarella Sandwich



  • ½ recipe for pesto
  • 1 recipe for caramelized onions
  • 12 tomatoes
  • 23 ounces whole milk mozzarella
  • 4 pieces crusty bread
  • 2 tablespoons olive oil


  1. Start caramelized onions (or do ahead of time.)
  2. Brush the outsides of the bread with olive oil and heat a griddle to medium-low heat.
  3. Smear 2-3 tablespoons of pesto on the inside of one of the slices and then layer tomatoes, caramelized onions, and mozzarella cheese. Cover with remaining piece of oiled bread.
  4. Cook on each side until crusty and cheese has melted.