Wash carrots in running water well. Then peel the skin off from carrot with a peeler. Then chop them into equal size small cubes.
Finely chop onions, ginger and garlic. Keep it ready.
Heat a pressure cooker with a teaspoon of butter add cumin seeds. Let it crackle.
Then add finely chopped onions, ginger and minced garlic. Stir it for 2 minutes. Then add chopped carrot pieces along with required salt & pepper powder.
Add required water and bring it to a boil. Then pressure cook the everything together in medium flame for 3 whistles. Once the pressure is released open the cooker, the cooked carrots will be soft and transparent.
Transfer the cooked ingredients to a blender. Grind it to a smooth paste with the water used for pressure cooking.
Strain the soup for small babies using a soup strainer and serve. Straining is an optional step.