Classic Cold-Cut Sub Sandwiches

Ingredients

• • 4 10-inch (25 cm) submarine buns
  • 1/4 cup (60 ml) mayonnaise
  • 1/2 lb (225 g) mild provolone cheese, sliced
  • 1 lb (450 g) mixed cold cuts (such as ham, mortadella, smoked turkey, capicollo)
  • 2 tomatoes, sliced
  • 2 cups (120 g) iceberg lettuce, thinly sliced
  • 1 green bell pepper, seeded and thinly sliced
  • 1/2 red onion, thinly sliced
  • 2 tbsp (30 ml) vegetable oil
  • 1 tbsp (15 ml) red wine vinegar
  • 1/8 tsp dried oregano