short grain rice such as basmati or jasmine takes 12-15min to cook with a 1 cup rice:1.5 cups water ratio, and you do not want to be removing the lid and letting out the steam in this time, so you will need foods that will take about 15 min to cook as well (you will also be leaving the rice off the heat but with lid on for a further 10 minutes) such as:
carrots (small or quartered) take 10-15 minutes
beets take 15 to 30+ minutes so will need to be cut small
cauliflower heads with core removed take around 15 to 20 minutes
leeks take about 10 to 15 minutes to steam
corn on the cob usually steams in 10 to 15 minutes
butternut pumpkin cubed requires 12 to 15 minutes
turnips sliced 1/4 thick
thawed dim sims take 15 minutes (see below - thaw them by placing frozen ones in the fridge for 8-12 hours and use within 24hrs)
most fish fillets (such as salmon, white fish, or trout) and smaller whole fish steam in 8–15 minutes depending on thickness - but may add unwanted flavour to the rice
fresh or frozen lobster tails take about 15 minutes to steam
boneless chicken breast steams in 15minutes
1cm thick pork fillet steams in 15minutes
custard steamed eggs take 10-15 minutes eg. Chinese style “custard” - beaten eggs mixed with warm water (1 part eggs:1.5-2 parts water), salt and steamed in a bowl until it becomes a smooth custard and add topping or soy sauce
halved nectarines take 15 minutes
stuffed foods such as eggplant stuffed with pork and shrimp steam in 15 minutes (after initial pan frying)