To a large pot add the water and the lentils let simmer stirring occasionally covered for 20-30 minutes or until your desired tenderness, strain the liquid out.
To a saute pan add the oil over medium heat once hot add in the onion stir and let saute for 4-5 minutes. Once onion starts to get soft add in the tomato sauce, soy sauce, brown sugar, and all of the seasonings stir well. Add in the strained lentils and stir let simmer for 10 minutes stirring occasionally. Serve in hamburger buns and enjoy!