
For more recipes, look to Chef Ada's cookbook Eating For Your Heart.
Boil potatoes until they are cooked, let them cool then mash.
Add 1/2 oz to 1 oz beef broth, egg and the flour and mix together. Adjust seasonings.
Knead mixture together and let it cool in the fridge for about an hour.
Add olive oil to a medium-sized pot over medium heat, sauté the onions, garlic and ginger.
Then add the mushrooms and stir for 2 minutes. Add the remaining broth. Add the butter.
Bring the mixture to a boil, and turn heat down to simmer gently.
Mold spoonfuls of mash into small spheres and place into the broth. Simmer for 5 minutes.
Now, add the coriander and oregano, adjusting seasoning.
Sprinkle the truffles on top and serve.