In a pan, add sugar, corn flour and 1/4 cup ghee

Add milk and mix well

Cook over low medium heat until mixture starts thickening and gets paste like consistency

Add cardamom powder and mix well

Add ghee and milk well

In first pan, add no colour. Cook until glossy and mixture should completely leave sides of the pan

In second pan, add blue food colouring and mix well

Cook until mixture leaves sides of the pan

Pour the mixture over Greased butter paper

Both should be on different butter paper

Place greased butter paper on top of both and pat with hands

Using rolling pan, roll into rectangular shape, thickness as desired

Peel off the butter paper

Add nuts on top

Again add same greased butter paper on top and press gently so that nuts are embedded well in halwa

Peel off the butter paper and allow to set for 2-3 hours

Repeat the same process with second Halwa