Wash and peel onions, pumpkins, carrots and potatoes. Then, cut into pieces; Wash the mushrooms and cut into pieces.
Put all the ingredients into the pot together with the stock. Then, add 200ml of water and let it simmer until it is softened.
Once cooled off, put everything into a food processor and blend it into puree.
Notes
When buying pumpkins, make sure the shape is neat, golden, shiny oily pattern, and pest-free. Root vegetables can be stored in newspapers and stored in ice boxes for refrigeration.