Helena Loureiro’s Clams au Gratin (São Jorge Cheese)

Ingredients

• • 6 tablespoons (90 ml) olive oil
  • 12 clams, well scrubbed
  • 1/4 cup (60 ml) white wine
  • 1 small onion, thinly sliced
  • 1 clove garlic, chopped
  • 3 plum tomatoes, peeled and diced
  • 1/3 cup (80 ml) chorizo, diced
  • 1 teaspoon (5 ml) salt
  • 1/2 cup (125 ml) São Jorge cheese, grated
  • 2 tablespoons (30 ml) fresh parsley, finely chopped