Firstly, cut the veggies into bite-sized pieces.
Further, heat the butter in a pressure cooker, once the butter melts, add onions, bay leaf, ginger, and garlic. Cook the vegetables for 2-3 minutes.
Additionally, add tomatoes, chopped potato, amla, carrot, beetroot, salt, and water.
Mix it well and pressure cooks them for 4-5 whistles.
After that, turn off the flame and let the pressure come down naturally. Do not open the lid immediately.
Now, open the cover and let it cool down the boiled vegetables further before grinding.
Further, take it out in a blending jar and blend it into a paste.
Strain the paste into a bowl with the help of a strainer.
Turn on the flame and heat a Kadai/wok.
Further, add strained tomato paste into this Kadai.
Additionally, add black pepper powder, sugar, lemon juice, and Ajinomoto and mix it well.
Cook for another 8-10 minutes on low-medium flame. Keep stirring in between.
Now turn off the gas.
Finally, hot and creamy tomato soup is ready to be served.
If you want, you can garnish homemade tomato soup with coriander leaves.