Wash fenugreek leaves in running water well. Soak moong dal in water for 10 minutes. Finely chop onions, tomato & garlic. Keep all the other ingredients ready.
In a pressure cooker, heat a teaspoon of oil and add cumin seeds. Let it splutter. Then add garlic. Saute them for two minutes. Now add onions. Fry them nicely until golden brown.
Now add tomato and fry them until mushy. Then add in washed fenugreek leaves. Give a quick stir.
Add soaked moong dal and mix well.
Add 1.5 cup of water. Sprinkle required salt and turmeric powder. Pressure cook everything together for two whistles in medium low flame. Once the pressure is released, open the cooker.
Mash the soup well with a masher or transfer the pressure cooked fenugreek to a blender with water used for cooking). Grind it to a smooth puree. Sprinkle pepper powder and serve the soup warm!