Beef Brochettes with Capers and Parmesan

Ingredients

• • 1 1/2 lb (675 g) beef flank steak, cut against the grain into 1/2-inch (1-cm) slices
  • 1/4 cup (60 ml) olive oil
  • 3 tablespoons (45 ml) pickled capers, drained and chopped
  • Grated zest of 1 lemon
  • 2 tablespoons (30 ml) lemon juice
  • 3 cloves garlic, chopped
  • 3 green onions, chopped
  • 2 anchovy fillets, chopped
  • 1/2 teaspoon (2.5 ml) hot pepper flakes
  • Salt and pepper
  • 20 wood
  • Grated Parmigiano-Reggiano