To make the filling, Place the dried mushrooms into a bowl, cover with boiling water and let rehydrate for at least 20 minutes. Strain and set aside.
Place shallots, ginger and EVOO into the Thermomix bowl. Saute 5 min/Varoma/speed 1.
Add remaining ingredients, including the mushrooms, and cook 7 min/100°C/Reverse/speed soft.
Cut rice pancakes to size. Place filling on each and roll up.
Serve with a garnish of veggies and plenty of nuoc cham.