Vegan curried coconut stew

Name: Vegan curried coconut stew
Ingredients: 1 tbsp rapeseed oil, or olive oil; 2 onions (320g), chopped; 20g ginger, peeled and shredded; 320g sweet potatoes or butternut squash, peeled and cut into chunks; 2 tbsp korma curry powder; 1 tsp ground cumin; 1 cinnamon stick; 2 x 400g cans chopped tomatoes; 2 tsp vegetable bouillon powder; 400g can butter beans, undrained; 400g can borlotti beans undrained; 175g French beans, cut into equal lengths; 120g cabbage, shredded; 175g coconut yogurt