You can only use a colander, but you'll end up with semi-cloudy jelly instead of clear gem-like jelly. It doesn't affect the flavor in any way, so if you don't mind the jelly being cloudy, a filter...
You can only use a colander, but you'll end up with semi-cloudy jelly instead of clear gem-like jelly. It doesn't affect the flavor in any way, so if you don't mind the jelly being cloudy, a filter...