Dice beef and onion.

Soften onion in casserole dish and add beef to brown. While beef is browning add curry paste and other dry ingredients and cook through.

Add crushed tomatoes, coconut milk and water. Mix together and bring to boil. Allow to boil for 5 minutes.

Turn heat down to low and allow to gently simmer for 2 to 3 hours. Stir occasionally. Keep covered until ready to serve, take lid off and turn heat up a bit to thicken.