Boil the sweet potatoes.
Take 1 liter milk in the pan and add n 1 ½ cup sugar, 6 small cardamom and sweet potatoes and cook it.
When the sugar dissolves add in the grated carrot and keep on stirring it.
When the kheer thickens close the stove. Add in the 250 gm khoya and ½ tin condensed milk.
Garnish it with chopped almonds and pistachio and serve it chilled.