I freeze ginger and chillies as they do not keep well in the fridge . Can grate the ginger straight from the freezer. I freeze breadcrumbs made from odds and ends from the bread bin ,very useful for a quick topping.
I also freeze pastry mix for pies and crumbles, just add your egg or water when almost defrosted for a lovely light pastry.
I use a mezzoluna for chopping, using two hands make it easy for me with arthritic hands, onion, peppers herbs, I use it for everything. The curved wooden shallow bowl stops bits flying in all directions.
I recently was given an electric knife sharpener it is a joy to always have sharp knives.