3 tblsp extra virgin olive oil or ghee
2 medium onions chopped
5 cloves garlic chopped
2-5cm fresh ginger root chopped
1 tin (400g) chopped tomatoes in juice
1 tsp cumin powder
1 tsp coriander powder
1 tsp paprika powder
1 tsp turmeric powder
1-2 fresh chillies or ¼ tsp chilli powder (or to your taste)
½ – 1 tsp salt