Unfortunately, the only bin for it is the general waste bin.
Compostables need very specific conditions to break down and our recycling infrastructure isn’t designed to handle them. Most food waste disposal plants can’t deal with solid packaging, so don’t put it in your food bin. And it’s not like ordinary plastic either so shouldn’t go in your recycling box as it will contaminate the whole load. There are a handful of sites that will accept compostables along with regular food waste but these are handled in bulk―from places like festivals or university research sites―and aren’t part of kerbside collections. If in doubt, any plastic marked as eco, compostable or biodegradable should go in with general waste.