I am short and like a good handling bike, so I have toe overlap on all my bikes. I made it a habit to put my heals down and toes up as far as possible when making low speed turns. Solves my problem.

The idea of unclipping is also a good one that I have used on our tandem from time to time. unclip and place pedal in arch of foot and pedal through the turn then clip in. Helps to get good at clipping in.