Yes, you can freeze cooked tinned sweetcorn. Make sure to let it cool completely before transferring it to an airtight container or freezer bag to prevent freezer burn. Label the container with the date, and it can be stored in the freezer for up to 3 months. When you're ready to use it, simply thaw it in the refrigerator or heat it directly from frozen.
No Unopened tinned food keeps indefintely.
Yes, you can freeze a cooked beef joint.
Yes, you can safely freeze ham after it has been cooked. After thawing the same frozen cooked ham, it is unsafe to freeze it again.
Yes, you can safely freeze cooked fish.
I would not advise it!
yes if you put it in the freezer
If you've been keeping it in the refrigerator for four days, I wouldn't, no. Anything cooked that you wish to freeze for later use should be frozen that day.
An example is tinned salmon. The salmon is steam cooked while in the tin, and can be eaten straight from the tin - any bones (usually parts of the spine) have been cooked and soft.
Cooked sweet corn has significant antioxidant activity, which has been suggested to reduce the chance of heart disease and cancer-although this has not been definitively proven in practice
Yes, if it wasn't already frozen and thawed.
No you should never refreeze any uncooked food. You can cook the bacon and then freeze it.
Yes. As long as the meat has been thawed and handled in a safe manner prior to cooking, then you can freeze the cooked meat. A lot of people cook meals ahead of time for convenience.