150g broccoli 150g cauliflower 1 carrot 1/2 capsicum 3 pcs baby corn 3 pcs black mushroom 3 pcs dried mushroom 6 pcs sweet peas 3 slices ginger 5 cloves garlic 1 medium-sized onion 2 tbsps oyster sauce 1 tbsp chicken powder seasoning 1 cup water corn starch slurry