Spinach and Sweet Potato Curry

300g veg stock

750g sweet potato chopped

1 onion sliced

250g fresh baby spinach

2 fresh garlic sliced

1 fresh red chilli sliced

1 tsp dhanya powder

1/2 tin plus tomato chopped

salt/pepper to taste 

3 tbsp oil

In a pan add sweet potato to the stock with onion and boil for a few min then simmer, add spinach and the rest of the ingredient and cook until sweet potato is tender. serve with rice.