Porcini Mushroom Risotto

INGREDIENTS 6 cups (1.4 L) chicken broth 4 tablespoons (60 ml) butter, divided 1 small onion, finely diced 1 teaspoon (5 ml) saffron threads, plus extra for garnish 2 cups (480 ml) Chef Laura’s porcini mushroom risotto ½ cup (120 ml) dry white wine Pepper to taste 1...