At first boil milk and jaggery together, then blend boiled potato,carrot and egg in a blender, mix all ingredients smoothly,you may add half spoon butter and reisin AND food colour if you want

Then put this mixture in a steel pot,,set in a bigger pan filled with boiling water,,keep it for 30/40 mins with high fire

Now your pudding is ready,,You can add chocolate chips,,colourful sprinkles to attract your kids