Take a ghee in a pan and when melt add Walnut mixture roast on a slow flame for 3-5mins. Now add milk and Khoya stir continues. Add saffron in a milk. Mix well. Stir continuously.Last add chocolate syrup for colour Vanilla essence and cardamom mix till ghee release. Turn off the flame and serve hot.Yummy delicious Walnut halwa is ready to serve. Garnish with walnut and almond.