Heat a pressure cooker and add oil.
Now add garlic cloves, onions, ½ tsp salt. Sauté until onion turns golden.
Add carrots and tomatoes, sauté for 1 minute.
Next add 2 cups of water, add salt accordingly.
On full flame boil the contents.
Close the lid of the pressure cooker and cook until 4 whistles.
Let it cool down. At this stage you can use blender to turn it into a fine paste or you can use mixer.
If using a blender, use directly in the pressure cooker and blend until it gets a smooth texture.
Heat a pan and add butter cube.
Once the butter melts add black pepper powder and sauté for 15-20 seconds.
Add the smooth paste into the tempering.
Cook until it boils.
Take it out in a soup bowl and serve!