Boil the kodo millet in sufficient water till it is soft. Drain well and mix with all the ingredients for the patty. Form into 2 large patties and refrigerate for some time.
Heat 1-2 tbsp. oil in a pan and shallow fry the patties on a low flame on both sides till well browned. Drain on a kitchen towel and keep aside.
To assemble the burger - Spread cheddar cream cheese on one side of the burger and mayonnaise on the other. Sprinkle some pepper powder.
Place a lettuce leaf followed by the patty, some more cheese spread, onion, tomato, lettuce. Finally close with the bun and serve as a kids lunch box meal.