Place 8 cups water, potatoes, corn, fava beans, green onion, garlic, ají, bouillon, and crumbled cheese. Bring water to a boil. Cook until yellow potato falls apart and white potato is cooked. Lower heat. Drop eggs one by one, carefully, and allow them to cook. Optional: Replace 8 eggs for 3 slightly beaten eggs and pour them slowly to boiling soup. Add herbs and milk.
Serve hot. Serve with chopped cheese and chopped sundried yellow aji.
From la Memoria del Sabor