Spicy Chopped Italian Sandwich

Ingredients

• • 3 cups (90 g) romaine lettuce, torn
  • 6 slices Calabrian soppressata or spicy salami (see note)
  • 4 slices mortadella
  • 4 slices spicy capicollo
  • 1 ball (100 g) fresh mozzarella
  • 2 store-bought grilled bell peppers, drained
  • 2 tbsp mixed spicy vegetable antipasto (see note)
  • 2 tbsp (30 ml) mayonnaise
  • 1/2 tsp dried oregano
  • 1/2 tsp (2.5 ml) honey
  • 1/2 tsp (2.5 ml) red wine vinegar
  • 2 submarine buns, each 9 inches (23 cm) long