Heat oil and add onion, aji and garlic and cook until the onion is tender. Add in the pumpkin and the paico sprig and pour water to cover. Bring to a boil and when the pumpkin is halfway cooked add the diced potato and the fava beans. Continue boiling until potato is cooked. If necessary add more water. Remove the paico sprig if used.
Before serving, heat and add the egg whipping with a beater until cooked and add diced cheese. Season with salt and pepper.
Prepare these soups too:
Zucchini creamy soup