No, the question was can I have an open alcohol container in the car.
Many people believe it is illegal, so if your mate is in the passenger seat with a can, you are breaking the law. That is wrong. It is not illegal. And also, it's not illegal to have a drink while driving as long as you are always in control of your vehicle. Trying to eat 5 weetbix out of a bowl may convince a cop that you were not always in complete control of your vehicle and they may book you. Would be a fair assumption too, and you'd be hard pressed convincing a magistrate otherwise.
And you are also allowed to use your GPS, phone and stereo as long as it is in a proper mounting system and you do not have to hold it.
And to answer the OP, I'd be amazed if you registered. Ethyl-Alcohol has a boiling point ~75c. So assuming your food reached this temperature when cooking (almost certain) and stayed there for more than a few seconds, there would likely be no alcohol left in it. Even if you used half a bottle of wine, there would have been ~ 35gm of alcohol in there. If we assume only half evaporated during cooking (likely to be more if it was boiling for more than 20-30 seconds) there would be ~17g left. If you then ate the ENTIRE meal, you would have 17gm of alcohol in your system which is 1.7 standard drinks. If it took you 30 minutes to eat the meal, and then watched TV for an hour, you would be unlikely to register a reading on a bretho.
Again, these calculations are really, really conservative ie, it's unlikely ANY alcohol would be let in the sauce, let alone 17gms, and of course it's unlikely you ate the entire meal you prepared.