Kerala style nadan beef fry/Beef olathiyathu recipe

INGREDIENTS
Beef – ½ kg
Onion – 1 big, sliced finely
Small onion – ½ – ¾ cup, sliced
Chili powder – ½ tbsp
Coriander powder – 1tbsp
Turmeric powder – ½ tsp
Ginger & garlic – ½ – 1 tbsp, crushed
Vinegar – 2 tsp
Aniseeds/fennel – ½ – 1 tsp
Cinnamon – 1 inch piece
Cloves – 4-5
Star anis – 2
Garam Masala – ½ – 1 tsp (optional)
Bite size coconut pieces (thengakothu) – ¼ – ½ cup
Coconut oil
Salt
Curry leaves