Sieve the health mix powder, whole wheat flour, baking powder, salt, and baking soda. Keep it ready. Also, preheat the oven to 180 deg C for 10 minutes.

Take a mixing bowl, add jaggery followed by milk. Mix well until the jaggery powder is dissolved.

Now add in vanilla essence followed by oil. Stir it well with a hand whisk until the oil is mixed evenly.

Once all the wet ingredients are mixed well, add the sieved health mix powder, whole wheat flour mixture to the wet ingredients. Gently fold everything well for 10-15 seconds. Don't over mix. Finally, add the broken walnuts and give a quick mix.

Grease a cake pan with oil. Pour the mixture into the cake tin and gently tape it.

Bake in the preheated oven at 180 deg C for 30 -35 minutes (baking time depends on the size of the cake pan and oven) at 180° Celsius till a toothpick inserted in the center comes out clean. Allow to cool it down completely and cut into pieces!