In a bowl, add cornflour with 1 ⅓ cup of water and mix well to avoid lumps. Keep this aside
1 cup Cornflour, 1 ⅓ cup Water
In a pan on medium heat, add sugar and 2 cups of water. When the sugar syrup begins to boil, add few drops of lemon juice and mix.
2 cups Sugar, 2 cups Water, ½ teaspoon Lemon juice
Now add cornflour-water mixture/slurry and keep string. After five minutes of stirring, the mixture begins to look glossy. Now add ghee in increments of 2 tablespoon every 10 minutes. Mix until the ghee is entirely incorporated into the mixture after every addition. You can check the video here. 6 tablespoon Ghee
Add cashews, almonds, watermelon seeds, food color, and mix while adding ghee for the third time (around 25 to 30 mins mark).
2 tablespoon Cashews, 2 tablespoon Almonds, 2 tablespoon Watermelon seeds, ½ teaspoon Food color
When ghee starts leaving the sides of the pan (40 mins mark), add flavorings such as cardamom powder, rose water, and mix well. Switch off the flame.
¼ teaspoon Cardamom powder, 1 teaspoon Rose water
Transfer this mixture immediately to a greased plate, garnish with more seeds and nuts if needed, and let it set completely. Cut them into the desired shape and sizes once the halwa mixture comes to room temperature and enjoy.