Kebuli Riyadh

250 g rice, rinse
250 g lamb, cut 1.5 cm cubes
1/4 onion
4   cardamom
4   cloves
2 cm cinnamon
3 cm turmeric
4   shallot
salt
1/2 teaspoon pepper
2 tbs margarine
2 tbs cooking oil
fried shallot for garnish
500 ml water