Beef Curry

Ingredients:  
        to marinate beef:
Beef -2 lb
Ginger-1/2 ", finely chopped
Garlic-3-4, finely chopped
Green chillies-3-4, sliced lengthwise
Kashmiri Chilly powder-2 tsp
Coriander powder-2 tsp
Meat masala/ Garam masala-1 tsp
Pepper powder-1/2 tsp
Turmeric powder-1/2 tsp
Vinegar-1 tsp
Salt 
     to pressure cook beef:
Curry leaves- a handful
Onion-1 thinly sliced
Coconut slices-a handful (optional)
       to make curry: 
Onion-1, thinly sliced 
Tomato-2,finely chopped 
Oil 
Mustard seeds-1/2 tsp
Chilly powder-1 tsp
Whole garam masala: (cardamom-3, cloves-3, cinnamon stick-1")-slightly crushed
Cilantro- to garnish
Method:
Cut the cleaned beef into 1" pieces. Marinate with the ingredients enlisted for ~1 hr. Add onion, curry leaves and pressure cook in medium heat until it is done. (Take care not to overcook beef, no need to add water, usually there would be enough liquid once it is done pressure cooking)
Heat oil in a large pan and splutter mustard seeds. Add whole garam masala followed by onions, saute until the  onions are transparent. Add chilly powder and saute for 10min, stir in tomatoes and nicely cook until it becomes a nice paste. Pour in cooked beef+liquid from pressure cooker and cook open in medium/simmer  heat until the gravy becomes thick and dark brown. 
Garnish with cilantro and serve hot with rice, chapathi or porotta.