Place onion and ginger in TM bowl. Chop speed 7 / 5 seconds. Scrape down side of bowl. Add oil, curry paste and saute 3 minutes 120 Degrees / Speed 2 Add tomatoes and chop 5 seconds/ Speed 5 Add lentils, vege stock and water to bowl. Place sweet potato in simmering basket and insert into TM bowl Cook 20 minutes/ 100 Degrees / Speed 2 Remove simmering basket and add sweet potoat to TM. Blend 1 minute/ Speed 9.
If you don't have tomatoes use a 400 gram can tomatoes and reduce the water by 200 g
For the Tha curry paste //www.recipecommunity.com.au/sauces-dips-spreads-recipes/thai-curry-paste/200525