Persian Saffron and Pistachio ice cream بستنی زعفرانی ایرانی به روش ساده,Vegetarian

1 to 2 Tsp brew Saffron 1/3 to 1/2 C heavy Cream Haagen Dazs Vanilla Bean Ice Cream - 28 oz 1/3 to 1/2 tsp Cardamom powder 1/2 to 1 Tsp Rose water (Opt. ) 1/4 C shelled Pistachios, chopped Wafer sheets (Opt.) ATT: Tsp is Tablespoon tsp is Teaspoon C for Cup