4. Once moong are soaked, in a pressure cooker add chowli along with 1 cup of soaked water. Add salt, give it a nice stir, cover the pressure cooker and place its weight on. Cook the beans in the pressure cooker until you hear 4 to 5 whistles. After 4 to 5 whistles, turn the heat to low and simmer the beans for another 15 minutes and then turn off the heat.